{
    "model": {
        "rank": 568,
        "code": "thing-q3947",
        "model_id": "vr.tr.house",
        "name": "house",
        "purpose": "Let an agent tell a house from the household living in it and from the plot it stands on, judge its condition and its permissions, and decide what may be done to it and by whom.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.OBJ",
        "industry": "",
        "version": "",
        "url": "/models/thing/q3947/",
        "tier": 2,
        "score": 236,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "earth shelter",
                "mud building",
                "palace",
                "post in ground",
                "atrium house",
                "entry barracks",
                "convalescence block",
                "detached house",
                "pit-house",
                "casa del fascio",
                "thatched farmhouse",
                "thatched cottage",
                "blackhouse",
                "wooden house",
                "energy-plus-house",
                "rental villa",
                "townhouse",
                "single-family detached home",
                "vacation home",
                "country house",
                "double house",
                "clergy house",
                "duplex",
                "residence of camp commander",
                "terrace house",
                "low-energy house",
                "timber-framed house",
                "alcove house",
                "Palaces in Palermo",
                "melikian palace",
                "Emirate Palace",
                "udun",
                "gosho",
                "Palaces and mansions in Hungary",
                "detached palace",
                "seraglio",
                "visiting palace",
                "Soun of Ogbomoso’s Palace",
                "Soun of Ogbomosho palace",
                "Korean palace"
            ],
            "aliasCount": 565,
            "merged": 573,
            "knownIn": 236,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": "vr.tr.house-artifact",
            "source": {
                "dataset": "wikidata",
                "item": "Q3947",
                "url": "https://www.wikidata.org/wiki/Q3947",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-10T20:20:00Z",
                "providers": [
                    "Claude"
                ],
                "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify",
                "pass": 2,
                "wave": 1,
                "engine": "claude"
            },
            "metaModel": {
                "id": "THING-Q3947",
                "registryId": "vr.tr.house",
                "name": "house",
                "version": "0.2.0-wave.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.OBJ"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q3947/",
            "model": {
                "registry_id": "vr.tr.house",
                "name": "house",
                "purpose": "Let an agent tell a house from the household living in it and from the plot it stands on, judge its condition and its permissions, and decide what may be done to it and by whom.",
                "definition": "A building intended as a dwelling for one household, standing on a defined plot, with its own entrance and its own connections to water, power and drainage.",
                "what_it_is_for": "Sheltering a household: keeping weather out, holding warmth, and giving a place to sleep, cook, wash and keep belongings.",
                "affordances": [
                    "live in it, which is the point and the thing most rules protect",
                    "enter and leave it, and stop others doing so",
                    "heat, cool, light and supply it, all of which need connections it does not own",
                    "alter, extend and repair it, mostly with permission",
                    "buy, sell, let and mortgage it, none of which touch the building",
                    "insure it against the events that damage buildings"
                ],
                "distinguishing_features": [
                    "A dwelling for one household with its own entrance, which separates it from a flat and from a block containing many",
                    "A building, which separates it from the household that lives there and from the plot it stands on - three things constantly confused",
                    "Permanent and sited, which separates it from a caravan or a houseboat used as a home",
                    "Residential by permission as well as by use: a building used as a home without that permission is a different legal object"
                ],
                "appearance": "A roofed structure of one to three storeys with walls, windows and at least one door to the outside, standing alone or joined to neighbours, usually within a boundary that marks its plot.",
                "visual_identification": [
                    "Its own front door to the outside, which is what separates a house from a flat inside a larger building",
                    "Roof form and wall material, which indicate period and construction and so what may be behind the surface",
                    "A street address or plot number, which identifies this house rather than the kind - and addresses are reassigned more often than people expect",
                    "Meter positions and service connections, which say what it is actually supplied with rather than what it appears to have"
                ],
                "physical_properties": [
                    {
                        "quantity": "floor area",
                        "typical_range": "50-250",
                        "unit": "m2",
                        "note": "varies more by region than by anything about the building"
                    },
                    {
                        "quantity": "storeys",
                        "typical_range": "1-3",
                        "unit": "count",
                        "note": "excluding cellars and roof spaces, which are counted differently by different registers"
                    },
                    {
                        "quantity": "occupancy",
                        "typical_range": "1-6",
                        "unit": "people",
                        "note": "designed occupancy and actual occupancy routinely differ"
                    },
                    {
                        "quantity": "service life",
                        "typical_range": "60-150",
                        "unit": "years",
                        "note": "structure outlasts every system inside it"
                    }
                ],
                "families_and_kinds": [
                    "by attachment: detached, semi-detached, terraced",
                    "by construction: masonry, timber frame, panel, prefabricated",
                    "by tenure: owner-occupied, rented, social, shared ownership",
                    "by period, which in practice predicts construction, insulation and hazards better than any other single fact"
                ],
                "related_models": [
                    {
                        "relation": "is a kind of",
                        "target": "building",
                        "why": "everything true of buildings applies: structure, permits, inspection, demolition"
                    },
                    {
                        "relation": "is confused with",
                        "target": "household",
                        "why": "the people are not the building; they move, it does not"
                    },
                    {
                        "relation": "is confused with",
                        "target": "land parcel",
                        "why": "the plot is a separate object with its own boundaries and its own register"
                    },
                    {
                        "relation": "needs",
                        "target": "water supply and drainage",
                        "why": "a dwelling without them is uninhabitable regardless of its condition"
                    },
                    {
                        "relation": "contains",
                        "target": "room",
                        "why": "rooms are where occupancy, heating and most alterations are actually reasoned about"
                    },
                    {
                        "relation": "regulated by",
                        "target": "building code and planning regime",
                        "why": "these decide what may be built, altered and occupied"
                    }
                ],
                "identifiers": [
                    {
                        "scheme": "address",
                        "value_or_pattern": "jurisdiction-specific",
                        "note": "human-facing and reassignable; not a stable identifier"
                    },
                    {
                        "scheme": "cadastral or title number",
                        "value_or_pattern": "national register",
                        "note": "identifies the property in law, which is the plot plus what stands on it"
                    },
                    {
                        "scheme": "building reference in an address register",
                        "value_or_pattern": "national",
                        "note": "the closest thing to a stable identifier for the structure itself"
                    }
                ],
                "standards_and_regulation": [
                    "National building codes, which set structure, fire, insulation and accessibility requirements at the time of construction or alteration",
                    "Planning or zoning regimes, which decide whether a dwelling may exist there at all",
                    "Energy performance certification schemes, which produce the rating attached to sales and lettings",
                    "Housing fitness and habitability standards, which govern what a landlord must maintain"
                ],
                "failure_modes_and_hazards": [
                    "Water: roof, plumbing and rising damp, which cause most of the slow damage buildings suffer",
                    "Structural movement and subsidence, which is what surveys look for and what insurers price",
                    "Fire, with escape routes and detection the things that decide outcomes",
                    "Hazardous materials from the period of construction - asbestos, lead paint, lead pipe - which constrain any alteration",
                    "Services failing: heating in winter and drainage at any time make a sound house uninhabitable"
                ],
                "in_scope": [],
                "out_of_scope": [],
                "characteristics": []
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-property",
                        "name": "Identity, plot and property rights",
                        "description": "Which house this is, what land it stands on, and who holds what over it.",
                        "rationale": "The building, the plot and the rights are three separate objects that share an address, and nearly every mistake about a house starts by merging them.",
                        "layers": [
                            {
                                "id": "which-house",
                                "name": "Which house this is",
                                "description": "Address, register entries and what each of them actually names.",
                                "findings": [
                                    {
                                        "id": "identifiers-and-scope",
                                        "name": "Identifiers and what each identifies",
                                        "description": "An address names a delivery point, a title names a property, and neither names the structure.",
                                        "questions": [
                                            {
                                                "text": "What address and register entries name this house, and does each refer to the building, the plot or the property?",
                                                "kind": "definition"
                                            },
                                            {
                                                "text": "What evidence resolves the case where the address has been reassigned or the plot subdivided?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "rights-over-it",
                                "name": "Rights and interests",
                                "description": "Ownership, tenancy, charges and rights others hold over it.",
                                "findings": [
                                    {
                                        "id": "who-may-decide",
                                        "name": "Who may decide what",
                                        "description": "Owner, occupier, lender and neighbour each hold different powers over the same house.",
                                        "questions": [
                                            {
                                                "text": "Who owns, who occupies, and who else holds a registered interest or right of way over this house?",
                                                "kind": "definition"
                                            },
                                            {
                                                "text": "Whose consent does a given alteration require, and what must an agent refuse to arrange without it?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "fabric-and-construction",
                        "name": "Fabric, construction and period",
                        "description": "What it is made of and what that implies about everything else.",
                        "rationale": "Period and construction predict insulation, hazards, repairability and cost more reliably than any survey line item, and they cannot be changed.",
                        "layers": [
                            {
                                "id": "structure",
                                "name": "Structure and materials",
                                "description": "Walls, roof, floors and foundations as built and as altered.",
                                "findings": [
                                    {
                                        "id": "as-built-and-as-altered",
                                        "name": "As built and as altered",
                                        "description": "The original construction and every change made since, which is usually undocumented.",
                                        "questions": [
                                            {
                                                "text": "What construction and materials is this house built from, and which parts have been altered since?",
                                                "kind": "definition"
                                            },
                                            {
                                                "text": "What evidence exists for alterations, and what should an agent assume where there is none?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "hazardous-materials",
                                "name": "Hazardous materials",
                                "description": "What the period of construction implies is present.",
                                "findings": [
                                    {
                                        "id": "period-hazards",
                                        "name": "Period hazards and their constraint",
                                        "description": "Materials that are safe in place and dangerous when disturbed.",
                                        "questions": [
                                            {
                                                "text": "Which hazardous materials are likely given this period of construction, and where would they be?",
                                                "kind": "boundary"
                                            },
                                            {
                                                "text": "What must be established before any work disturbs them, and by whom?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "habitability-and-services",
                        "name": "Habitability, services and performance",
                        "description": "Whether it can be lived in, and how well.",
                        "rationale": "A house is fit to live in or not, and that depends on connections and systems it does not contain rather than on the structure that dominates its description.",
                        "layers": [
                            {
                                "id": "connections",
                                "name": "Connections and supply",
                                "description": "Water, drainage, power, heat and communications, each with its own supplier and failure mode.",
                                "findings": [
                                    {
                                        "id": "supply-record",
                                        "name": "What it is connected to",
                                        "description": "Which services reach it, on what terms, and what happens when one stops.",
                                        "questions": [
                                            {
                                                "text": "Which services is this house connected to, metered how, and who supplies each?",
                                                "kind": "definition"
                                            },
                                            {
                                                "text": "Which single failure makes it uninhabitable, and what is the response?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "performance",
                                "name": "Thermal and energy performance",
                                "description": "How well it holds heat and what that costs.",
                                "findings": [
                                    {
                                        "id": "performance-record",
                                        "name": "Performance, measured and modelled",
                                        "description": "The certificate figure, how it was produced, and what it fails to capture.",
                                        "questions": [
                                            {
                                                "text": "What energy performance is recorded for this house, assessed by whom and when?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "text": "Where does the assessment method diverge from how the house actually behaves?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "condition-and-maintenance",
                        "name": "Condition, defects and maintenance",
                        "description": "What state it is in and what is falling due.",
                        "rationale": "Buildings fail slowly and predictably, and the whole value of a condition model is that it turns a slow failure into a scheduled task.",
                        "layers": [
                            {
                                "id": "defects",
                                "name": "Defects and their urgency",
                                "description": "What is wrong, how bad, and how fast it worsens.",
                                "findings": [
                                    {
                                        "id": "defect-record",
                                        "name": "Defects and their trajectory",
                                        "description": "Findings with a date, a severity and a rate of change.",
                                        "questions": [
                                            {
                                                "text": "What defects are recorded for this house, found by whom, and how quickly does each worsen?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "text": "Which defect obliges immediate action rather than scheduling, and on whose judgement?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "maintenance",
                                "name": "Maintenance cycle",
                                "description": "The recurring work that keeps a house from failing.",
                                "findings": [
                                    {
                                        "id": "maintenance-schedule",
                                        "name": "Recurring work and responsibility",
                                        "description": "What must be done, how often, and who is obliged to do it.",
                                        "questions": [
                                            {
                                                "text": "What maintenance does this house require, at what interval?",
                                                "kind": "definition"
                                            },
                                            {
                                                "text": "Who bears each obligation under the current tenure, and what happens when it is not met?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "permissions-and-change",
                        "name": "Permissions, alteration and lifecycle",
                        "description": "What may be changed, by whom, and how the house ends.",
                        "rationale": "Almost nothing may be done to a house without permission from somebody, and the permission regime is the part an agent is most likely to get wrong.",
                        "layers": [
                            {
                                "id": "permission-regime",
                                "name": "What needs permission",
                                "description": "Planning, building control, conservation and tenancy constraints.",
                                "findings": [
                                    {
                                        "id": "permission-map",
                                        "name": "Permission required, by change",
                                        "description": "Which alterations need which consent, and which need none.",
                                        "questions": [
                                            {
                                                "text": "Which consents does a given alteration to this house require, and from which authority?",
                                                "kind": "definition"
                                            },
                                            {
                                                "text": "What must an agent verify before arranging work that may need consent?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "lifecycle",
                                "name": "Change of use, extension and end",
                                "description": "Conversion, subdivision, demolition, and what each does to the identity of the thing.",
                                "findings": [
                                    {
                                        "id": "identity-through-change",
                                        "name": "Identity through change",
                                        "description": "When a change makes it a different house, and when it does not.",
                                        "questions": [
                                            {
                                                "text": "Which changes preserve the identity of this house in the registers, and which create a new object?",
                                                "kind": "boundary"
                                            },
                                            {
                                                "text": "What must be recorded so that a later reader can follow the house through those changes?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Should the model treat a house as a building with a dwelling use, or as a dwelling that happens to be a building - the two give different answers for conversions and subdivisions?",
                "How should shared structures be handled, where a terrace is one structure and several houses?",
                "What is the minimum evidence for occupancy, given that registers, utilities and reality routinely disagree?",
                "How should period-implied hazards be represented so they are treated as likelihoods rather than as recorded facts?"
            ],
            "statistics": {
                "bundles": 5,
                "layers": 10,
                "findings": 10,
                "questions": 20
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "device, machine or tool",
            "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.",
            "facetsInferred": true,
            "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.",
            "purpose": "Give an agent a durable, checkable way to recognise a house, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Let an agent tell a house from the household living in it and from the plot it stands on, judge its condition and its permissions, and decide what may be done to it and by whom.",
            "characteristics": {
                "substance": "material",
                "origin": "manufactured",
                "agency": "inert",
                "mobility": "varies"
            },
            "whatYouCanDoWithIt": [
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: earth shelter, mud building, palace, post in ground, atrium house, entry barracks, convalescence block, detached house, pit-house, casa del fascio, thatched farmhouse, thatched cottage.",
                "573 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 236 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is."
            ],
            "openQuestionsForResearch": [
                "Which of the bundles below does a real task actually need, and which are ceremony?",
                "What does this thing have that the facets do not capture at all?",
                "Which neighbouring kind is most often confused with a house, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "matter you can touch",
            "physicalCharacter": [
                "Mobility varies between examples.",
                "Does nothing on its own; everything it does, something else did to it.",
                "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing."
            ],
            "whatCanBeDoneWithIt": [
                "observe it, measure it, record its state"
            ],
            "howItIsRecognised": [
                "Recognised by form, by the arrangement of its controls, and by markings - a plate, a model number, a certification mark. Form alone rarely separates two models that do very different things."
            ],
            "relatedModels": [
                {
                    "relation": "covers",
                    "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.",
                    "targets": [
                        "earth shelter",
                        "mud building",
                        "palace",
                        "post in ground",
                        "atrium house",
                        "entry barracks",
                        "convalescence block",
                        "detached house",
                        "pit-house",
                        "casa del fascio",
                        "thatched farmhouse",
                        "thatched cottage"
                    ]
                }
            ],
            "standing": "Described in 236 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 573 finer distinctions are held inside this entry as names rather than as separate models.",
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-classification",
                        "name": "Identity, naming and classification",
                        "description": "How an agent tells one house from another, and a house from things that resemble it.",
                        "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.",
                        "layers": [
                            {
                                "id": "naming-and-identifiers",
                                "name": "Names and identifiers",
                                "description": "The names this thing goes by and the identifiers that survive translation and time.",
                                "findings": [
                                    {
                                        "id": "preferred-name-and-aliases",
                                        "name": "Preferred name, aliases and local names",
                                        "description": "Which name to use, which names mean the same thing, and which merely sound similar.",
                                        "questions": [
                                            {
                                                "id": "preferred-name-and-aliases-q01",
                                                "text": "What identifies and describes the name of a house, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q02",
                                                "text": "Who or what asserted this about the name of a house, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q03",
                                                "text": "What may an agent decide or do once the name of a house is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "stable-identifiers",
                                        "name": "Stable identifiers and external keys",
                                        "description": "Identifiers that keep pointing at this kind of thing across systems and languages.",
                                        "questions": [
                                            {
                                                "id": "stable-identifiers-q01",
                                                "text": "What identifies and describes an identifier for a house, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q02",
                                                "text": "Who or what asserted this about an identifier for a house, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q03",
                                                "text": "What may an agent decide or do once an identifier for a house is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "classification-and-granularity",
                                "name": "Classification and granularity",
                                "description": "Where a house sits among kinds, and how finely a task needs to cut it.",
                                "findings": [
                                    {
                                        "id": "kind-and-parents",
                                        "name": "Kind, parents and neighbouring kinds",
                                        "description": "The classes this thing belongs to and the ones it is next to.",
                                        "questions": [
                                            {
                                                "id": "kind-and-parents-q01",
                                                "text": "What identifies and describes the kind of a house, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q02",
                                                "text": "Who or what asserted this about the kind of a house, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q03",
                                                "text": "What may an agent decide or do once the kind of a house is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "distinguishing-features",
                                        "name": "Distinguishing features",
                                        "description": "What separates a house from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a house, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q02",
                                                "text": "Who or what asserted this about what distinguishes a house, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q03",
                                                "text": "What may an agent decide or do once what distinguishes a house is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "form-and-composition",
                        "name": "Form, composition and condition",
                        "description": "What a house is made of, what shape and size it takes, and what state it is in.",
                        "rationale": "A physical thing can be measured, and a model that cannot record its measurements cannot support any decision that depends on them.",
                        "layers": [
                            {
                                "id": "form-and-dimensions",
                                "name": "Form and dimensions",
                                "description": "Shape, size, mass and the ranges these take across examples.",
                                "findings": [
                                    {
                                        "id": "measurable-dimensions",
                                        "name": "Measurable dimensions and their units",
                                        "description": "The quantities worth recording and the units they are recorded in.",
                                        "questions": [
                                            {
                                                "id": "measurable-dimensions-q01",
                                                "text": "What identifies and describes the dimensions of a house, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "measurable-dimensions-q02",
                                                "text": "Who or what asserted this about the dimensions of a house, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "measurable-dimensions-q03",
                                                "text": "What may an agent decide or do once the dimensions of a house is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "material-and-composition",
                                "name": "Material and composition",
                                "description": "Materials, parts and how they are put together.",
                                "findings": [
                                    {
                                        "id": "parts-and-materials",
                                        "name": "Parts and materials",
                                        "description": "What a house is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a house, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "parts-and-materials-q02",
                                                "text": "Who or what asserted this about the composition of a house, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "parts-and-materials-q03",
                                                "text": "What may an agent decide or do once the composition of a house is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "condition-and-integrity",
                                "name": "Condition and integrity",
                                "description": "Wear, damage, health and the difference between working and broken.",
                                "findings": [
                                    {
                                        "id": "condition-assessment",
                                        "name": "Condition, damage and health",
                                        "description": "How the condition of a house is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a house, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "condition-assessment-q02",
                                                "text": "Who or what asserted this about the condition of a house, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "condition-assessment-q03",
                                                "text": "What may an agent decide or do once the condition of a house is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "place-and-movement",
                        "name": "Place and movement",
                        "description": "Where a house is, how it got there and where it may go (varies).",
                        "rationale": "A thing that can move needs its position recorded with a time, or every later claim about it is about a place it has left.",
                        "layers": [
                            {
                                "id": "location-and-placement",
                                "name": "Location and placement",
                                "description": "Position, containment and the reference frame the position is given in.",
                                "findings": [
                                    {
                                        "id": "position-and-frame",
                                        "name": "Position, container and reference frame",
                                        "description": "Where a house is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a house, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "position-and-frame-q02",
                                                "text": "Who or what asserted this about the location of a house, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "position-and-frame-q03",
                                                "text": "What may an agent decide or do once the location of a house is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "movement-and-transfer",
                                "name": "Movement and transfer",
                                "description": "How a house is carried, installed or relocated.",
                                "findings": [
                                    {
                                        "id": "movement-events",
                                        "name": "Movement events and constraints",
                                        "description": "What counts as a movement, what records it and what limits it.",
                                        "questions": [
                                            {
                                                "id": "movement-events-q01",
                                                "text": "What identifies and describes the movement of a house, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "movement-events-q02",
                                                "text": "Who or what asserted this about the movement of a house, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "movement-events-q03",
                                                "text": "What may an agent decide or do once the movement of a house is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "state-and-lifecycle",
                        "name": "State and lifecycle",
                        "description": "The states a house passes through and the events that move it between them.",
                        "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.",
                        "layers": [
                            {
                                "id": "lifecycle-stages",
                                "name": "Lifecycle stages",
                                "description": "From coming into existence to ceasing to be one of these.",
                                "findings": [
                                    {
                                        "id": "stages-and-transitions",
                                        "name": "Stages and transitions",
                                        "description": "The stages worth naming and what moves a house between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a house, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q02",
                                                "text": "Who or what asserted this about the lifecycle of a house, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q03",
                                                "text": "What may an agent decide or do once the lifecycle of a house is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "observations-and-status",
                                "name": "Observations and current status",
                                "description": "What is observed about a house, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a house is recorded so that it can be superseded rather than overwritten.",
                                        "questions": [
                                            {
                                                "id": "observation-record-q01",
                                                "text": "What identifies and describes an observation of a house, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q02",
                                                "text": "Who or what asserted this about an observation of a house, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q03",
                                                "text": "What may an agent decide or do once an observation of a house is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "function-and-principle",
                        "name": "Function and operating principle",
                        "description": "What house is for and how it achieves it.",
                        "rationale": "Two devices with the same name can work on different principles, and the principle is what predicts failure and constrains use.",
                        "layers": [
                            {
                                "id": "intended-function",
                                "name": "Intended function",
                                "description": "The job it does, and the jobs it is used for anyway.",
                                "findings": [
                                    {
                                        "id": "function-record",
                                        "name": "Function, principle and variants",
                                        "description": "What it does, how, and which variants do it differently.",
                                        "questions": [
                                            {
                                                "id": "function-record-q01",
                                                "text": "What function does house perform, on what operating principle, and which variants differ in that principle?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "function-record-q02",
                                                "text": "What use falls outside the intended function but happens in practice?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "capacity-and-rating",
                                "name": "Capacity and rating",
                                "description": "The numbers that say what it can do and where it stops.",
                                "findings": [
                                    {
                                        "id": "ratings",
                                        "name": "Ratings and their conditions",
                                        "description": "Rated capacity, power, throughput and the conditions each assumes.",
                                        "questions": [
                                            {
                                                "id": "ratings-q01",
                                                "text": "What ratings characterise house, in what units, and under what stated conditions?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "ratings-q02",
                                                "text": "What happens beyond the rating - degradation, refusal, damage - and how is that detected?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "operation-and-state",
                        "name": "Operation, controls and state",
                        "description": "How house is operated and what state it is in right now.",
                        "rationale": "An agent acting on a device needs its current state and the controls that change it, not just its specification.",
                        "layers": [
                            {
                                "id": "controls-and-modes",
                                "name": "Controls and modes",
                                "description": "What can be set, what that changes, and what is interlocked.",
                                "findings": [
                                    {
                                        "id": "control-surface",
                                        "name": "Control surface and interlocks",
                                        "description": "The settings available and the conditions that block them.",
                                        "questions": [
                                            {
                                                "id": "control-surface-q01",
                                                "text": "What controls and modes does house have, and what does each change?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "control-surface-q02",
                                                "text": "Which actions are interlocked or forbidden in which state, and what must be true before acting?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "condition-and-maintenance",
                                "name": "Condition and maintenance",
                                "description": "Wear, service intervals, consumables and the line between working and broken.",
                                "findings": [
                                    {
                                        "id": "service-record",
                                        "name": "Condition, service and consumables",
                                        "description": "What is consumed, what is serviced, and how condition is judged.",
                                        "questions": [
                                            {
                                                "id": "service-record-q01",
                                                "text": "What consumables and service does house need, at what interval, and on whose authority?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "service-record-q02",
                                                "text": "What evidence separates a unit that is working from one that is out of service?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "kind-model-unit",
                        "name": "Kind, model and unit",
                        "description": "Whether a claim about house is about the kind, a product line, or one physical unit.",
                        "rationale": "This is the boundary most often got wrong for made things, and getting it wrong mixes a catalogue entry with the machine in the yard.",
                        "layers": [
                            {
                                "id": "level-of-reference",
                                "name": "Level of reference",
                                "description": "The three levels and what belongs at each.",
                                "findings": [
                                    {
                                        "id": "level-rules",
                                        "name": "What belongs to kind, model and unit",
                                        "description": "Which properties are shared by all of them and which are not.",
                                        "questions": [
                                            {
                                                "id": "level-rules-q01",
                                                "text": "Which facts about house hold for every one of them, which for a model, and which only for one unit?",
                                                "kind": "boundary"
                                            },
                                            {
                                                "id": "level-rules-q02",
                                                "text": "What identifies an individual unit, and what should an agent do when it has only the kind?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "standards-and-conformity",
                                "name": "Standards and conformity",
                                "description": "The standards a working example must meet and who attests it.",
                                "findings": [
                                    {
                                        "id": "conformity",
                                        "name": "Standards, marks and attestation",
                                        "description": "Which standard applies, who certifies, and what the mark means.",
                                        "questions": [
                                            {
                                                "id": "conformity-q01",
                                                "text": "Which standards govern house, issued by whom, and what does conformity actually assert?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "id": "conformity-q02",
                                                "text": "What may an agent conclude from a certification mark, and what may it not?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a house came from and when it held.",
                        "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.",
                        "layers": [
                            {
                                "id": "source-and-authority",
                                "name": "Source and authority",
                                "description": "Who said it, on what evidence, and how strongly.",
                                "findings": [
                                    {
                                        "id": "claim-provenance",
                                        "name": "Claim provenance and confidence",
                                        "description": "The authority behind each claim about a house and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a house, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q02",
                                                "text": "Who or what asserted this about a claim about a house, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q03",
                                                "text": "What may an agent decide or do once a claim about a house is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "time-and-versions",
                                "name": "Time, versions and supersession",
                                "description": "When a claim was true, when it was learnt, and what replaced it.",
                                "findings": [
                                    {
                                        "id": "validity-and-supersession",
                                        "name": "Validity period and supersession",
                                        "description": "How an old claim about a house is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a house, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q02",
                                                "text": "Who or what asserted this about the validity of a claim about a house, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q03",
                                                "text": "What may an agent decide or do once the validity of a claim about a house is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 8,
                "layers": 17,
                "findings": 19,
                "questions": 51
            }
        }
    }
}