{ "model": { "rank": 3752, "code": "thing-q171495", "model_id": "vr.tr.mattress", "name": "mattress", "purpose": "Enable an AI agent to recognise a mattress, assess its support, fit and condition, and determine suitable placement, use, care or retirement.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.OBJ", "industry": "", "version": "", "url": "/models/thing/q171495/", "tier": 2, "score": 82, "payload": { "layer": "wikidata", "aliases": [ "anti-decubitus mattress", "foldable mattress", "Tediber", "vacuum mattress", "air mattress", "The Saatva Mattress", "The L&L Mattress", "Zenhaven Latex Mattress", "Casper Mattress", "manufacture of mattresses", "smart mattress", "Pillow Top Mattress", "pool air mat" ], "aliasCount": 13, "merged": 13, "knownIn": 82, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q171495", "url": "https://www.wikidata.org/wiki/Q171495", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T15:04:30Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 25.6, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07c64-eaf7-70e3-b868-ef0e30c43f4f\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: mattress\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 801 things:\n# Batch 004: 1001 registe", "usd": 0, "recall": true }, "codex": { "seconds": 86.9, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07c64-eae4-78d2-839b-dc9987026343\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: mattress\nRegistry id: vr.tr.mattress\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nContex" } } }, "metaModel": { "id": "THING-Q171495", "registryId": "vr.tr.mattress", "name": "mattress", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q171495/", "model": { "registry_id": "vr.tr.mattress", "name": "mattress", "purpose": "Enable an AI agent to recognise a mattress, assess its support, fit and condition, and determine suitable placement, use, care or retirement.", "definition": "A mattress is a resilient pad or assembly designed to support the body during sleep or rest, used on a bed base or another suitable supporting surface.", "scope_statement": "This model owns the mattress as a cushioned sleeping or reclining support, including its integrated core, comfort layers, cover and any internal adjustment system; it describes the kind and the evidence needed to assess particular mattresses without treating a product line or individual unit as the kind itself.", "in_scope": [ "Mattress identity, intended sleeping setting and user constraints", "Support core, comfort layers, integrated cover and construction", "Dimensions, usable sleeping surface and compatibility with supporting foundations", "Support response, surface comfort and adjustment states", "Cleanliness, structural condition, care limits and retirement criteria" ], "out_of_scope": [ "Bed frames, separate foundations, slatted bases and adjustable bed mechanisms", "Separate toppers, pillows, sheets and mattress protectors", "Clinical diagnosis, treatment plans and individual therapeutic prescriptions", "Room ventilation, building fire protection and pest treatment programmes", "Commercial offers, warranties and ownership transactions as independent records" ], "distinguishing_features": [ "Provides the main cushioned body-support surface for sleeping or reclining, rather than a thin accessory placed over another mattress.", "Contains an identifiable support body, such as resilient material, springs or fluid chambers, rather than functioning only as a sheet, blanket or protective cover.", "Is distinguishable from the frame or foundation that supports it, even when supplied together as a bed set.", "Is intended to support a reclining body across a sleeping area; a seat cushion or pillow has a different primary support role.", "May be removable, rollable, inflatable or integrated into convertible furniture; permanence and rectangular shape alone do not determine whether it is a mattress." ], "characteristics": [ { "name": "Intended sleeping setting", "kind": "category", "unit_or_values": "adult bed, infant sleep product, healthcare, camping, convertible furniture, other declared setting", "why_it_matters": "The intended setting determines which fit, use and safety evidence is relevant." }, { "name": "Support construction", "kind": "category", "unit_or_values": "spring, foam, latex, fibre-filled, air chamber, water chamber, hybrid, other, unknown", "why_it_matters": "Construction affects support behaviour, handling and possible failure modes." }, { "name": "Layer arrangement", "kind": "relation", "unit_or_values": "ordered relationship between sleeping face, comfort layers, support core and underside", "why_it_matters": "Identifies the usable face and distinguishes surface wear from core damage." }, { "name": "Measured dimensions", "kind": "measurement", "unit_or_values": "length, width and thickness in mm, with unloaded or loaded measurement condition", "why_it_matters": "Actual dimensions establish fit more reliably than market-specific size names." }, { "name": "Mattress mass", "kind": "measurement", "unit_or_values": "kg, with filled or unfilled state where relevant", "why_it_matters": "Mass affects handling and the required capacity of the supporting structure." }, { "name": "Foundation compatibility", "kind": "relation", "unit_or_values": "manufacturer-declared compatible bases and support constraints, including slat spacing in mm where specified", "why_it_matters": "The underlying support can affect mattress behaviour and damage risk." }, { "name": "Firmness or load-deflection response", "kind": "measurement", "unit_or_values": "force in N and indentation in mm under a stated method; retain marketed firmness separately", "why_it_matters": "Firmness labels alone do not establish comparable mechanical behaviour." }, { "name": "Declared occupant load limit", "kind": "measurement", "unit_or_values": "kg per occupant or total, with the source and interpretation recorded", "why_it_matters": "An agent needs to distinguish documented limits from assumptions about capacity." }, { "name": "Residual indentation", "kind": "measurement", "unit_or_values": "depth in mm after a stated unloaded recovery interval", "why_it_matters": "Persistent depressions can indicate uneven wear or loss of support." }, { "name": "Hygienic condition", "kind": "state", "unit_or_values": "dry, damp, stained, odorous, suspected mould, suspected infestation, unknown; multiple states permitted", "why_it_matters": "Observed condition constrains continued use, cleaning and transfer." }, { "name": "Sleeping-face configuration", "kind": "category", "unit_or_values": "single-sided, reversible, zoned, directional, unknown", "why_it_matters": "Turning or rotating a mattress may change its intended support arrangement." }, { "name": "Adjustable support state", "kind": "state", "unit_or_values": "not adjustable, recorded chamber settings, active mode, fault, unknown", "why_it_matters": "Adjustable mattresses require their settings and faults to be assessed alongside physical condition." } ], "affordances": [ "Check measured fit and documented compatibility with a proposed bed or foundation.", "Compare support and comfort evidence while preserving test conditions and subjective preferences.", "Inspect for persistent sagging, edge collapse, leaks, dampness and cover damage.", "Orient, rotate, flip or adjust the mattress when its construction and instructions permit.", "Choose a permitted cleaning, drying, storage or transport action.", "Determine whether documented condition supports continued use, further inspection, repair or retirement." ] }, "sources": [], "structure": { "bundles": [ { "id": "sleeping-role-and-boundary", "name": "Sleeping role and boundary", "description": "Establishes what counts as the mattress and the sleeping setting it is intended to serve.", "rationale": "Mattresses are easily confused with toppers, bed assemblies and specialised support products whose requirements differ.", "layers": [ { "id": "primary-support-role", "name": "Primary support role", "description": "Identifies the component that supplies the main cushioned sleeping support.", "findings": [ { "id": "mattress-versus-accessory", "name": "Mattress versus accessory", "description": "Record whether the item is the primary sleeping support or an accessory that depends on a separate mattress.", "questions": [ { "text": "Does this item provide the main cushioned sleeping support, or is it intended to modify another mattress?", "kind": "boundary", "id": "mattress-versus-accessory-q01" }, { "text": "Which covers, pads and support components are integrated into the mattress, and which are separate accessories?", "kind": "boundary", "id": "mattress-versus-accessory-q02" } ] } ] }, { "id": "intended-sleeping-setting", "name": "Intended sleeping setting", "description": "Captures the declared environment and users without inferring suitability from appearance.", "findings": [ { "id": "declared-use-envelope", "name": "Declared use envelope", "description": "Record intended settings, occupant constraints and any evidence needed before treating a specialised mattress as suitable.", "questions": [ { "text": "What manufacturer information identifies the intended sleeping setting and user group?", "kind": "provenance", "id": "declared-use-envelope-q01" }, { "text": "Which proposed uses fall outside that declaration or require separate suitability assessment?", "kind": "boundary", "id": "declared-use-envelope-q02" } ] } ] } ] }, { "id": "support-construction-and-response", "name": "Support construction and response", "description": "Describes how the mattress supports a reclining body and how its response can be assessed.", "rationale": "Mattresses with similar dimensions can behave differently because of their cores, layer arrangements and adjustment mechanisms.", "layers": [ { "id": "core-and-sleeping-faces", "name": "Core and sleeping faces", "description": "Records the load-bearing construction and the arrangement of usable surfaces.", "findings": [ { "id": "support-layer-arrangement", "name": "Support layer arrangement", "description": "Identify the support core, comfort layers, edge construction and designated sleeping faces from available evidence.", "questions": [ { "text": "What evidence identifies the core materials, comfort layers and edge-support construction?", "kind": "provenance", "id": "support-layer-arrangement-q01" }, { "text": "Which face and head-to-foot orientation are intended for sleeping, and is the mattress reversible?", "kind": "definition", "id": "support-layer-arrangement-q02" } ] } ] }, { "id": "loaded-surface-behaviour", "name": "Loaded surface behaviour", "description": "Separates measured support behaviour from subjective comfort descriptions.", "findings": [ { "id": "support-response-evidence", "name": "Support response evidence", "description": "Record firmness, recovery, edge compression and motion transfer with their assessment methods and mattress settings.", "questions": [ { "text": "Under what load, foundation, temperature and test method was firmness or indentation assessed?", "kind": "measurement", "id": "support-response-evidence-q01" }, { "text": "What observations distinguish whole-surface compression, local pressure response, edge collapse and movement transferred from another sleeper?", "kind": "measurement", "id": "support-response-evidence-q02" }, { "text": "If support is adjustable, which settings may be changed and how is the resulting support state checked?", "kind": "action", "id": "support-response-evidence-q03" } ] } ] } ] }, { "id": "bed-fit-and-installation", "name": "Bed fit and installation", "description": "Connects mattress geometry and flexibility to the supporting bed and installation constraints.", "rationale": "A nominal size match does not establish safe fit, adequate underlying support or compatibility with articulation.", "layers": [ { "id": "sleeping-surface-geometry", "name": "Sleeping surface geometry", "description": "Captures actual dimensions, shape and relevant gaps after placement.", "findings": [ { "id": "measured-fit", "name": "Measured fit", "description": "Assess the mattress against the receiving bed or enclosure using measured dimensions and applicable fit instructions.", "questions": [ { "text": "What are the mattress length, width, thickness and shape after any specified expansion period?", "kind": "measurement", "id": "measured-fit-q01" }, { "text": "What gaps or height changes result when it is placed in the intended frame, enclosure or convertible furniture?", "kind": "measurement", "id": "measured-fit-q02" } ] } ] }, { "id": "foundation-and-articulation", "name": "Foundation and articulation", "description": "Identifies support and bending conditions the mattress is designed to tolerate.", "findings": [ { "id": "permitted-underlying-support", "name": "Permitted underlying support", "description": "Record required foundation characteristics and any constraints on bending, folding or unsupported spans.", "questions": [ { "text": "Which foundation types, slat spacing and centre-support arrangements are permitted by the mattress instructions?", "kind": "provenance", "id": "permitted-underlying-support-q01" }, { "text": "May this mattress bend with an adjustable base or fold for transport, and what documented restrictions apply?", "kind": "action", "id": "permitted-underlying-support-q02" } ] } ] } ] }, { "id": "sleep-surface-safety-and-hygiene", "name": "Sleep-surface safety and hygiene", "description": "Captures use-specific safety evidence, cover integrity and conditions affecting hygienic use.", "rationale": "A mattress has prolonged body contact and may contain safety-relevant internal layers that cleaning or damage can affect.", "layers": [ { "id": "safety-evidence-and-cover-integrity", "name": "Safety evidence and cover integrity", "description": "Associates safety claims with the intended use and assesses damage to enclosing layers.", "findings": [ { "id": "documented-safety-basis", "name": "Documented safety basis", "description": "Record applicable safety evidence and cover-handling restrictions without treating labels as proof of suitability for every setting.", "questions": [ { "text": "Which safety requirements or certifications are documented, by which issuing body, for which market and intended use?", "kind": "provenance", "id": "documented-safety-basis-q01" }, { "text": "Does the cover enclose a fire barrier or other internal material, and do the instructions permit its removal or washing?", "kind": "action", "id": "documented-safety-basis-q02" }, { "text": "Are tears, failed seams or exposed internal components present that require further assessment before use?", "kind": "measurement", "id": "documented-safety-basis-q03" } ] } ] }, { "id": "moisture-and-contamination", "name": "Moisture and contamination", "description": "Distinguishes visible surface conditions from uncertain contamination within the mattress.", "findings": [ { "id": "cleanability-and-drying", "name": "Cleanability and drying", "description": "Record contamination evidence, permitted cleaning methods and uncertainty about moisture or contamination inside the core.", "questions": [ { "text": "What evidence shows dampness, staining, odour, suspected mould or suspected pests, and does it indicate possible penetration beyond the cover?", "kind": "measurement", "id": "cleanability-and-drying-q01" }, { "text": "Which cleaning and drying methods are permitted for this cover and core construction?", "kind": "action", "id": "cleanability-and-drying-q02" }, { "text": "What evidence is needed before the cleaned mattress can return to use?", "kind": "action", "id": "cleanability-and-drying-q03" } ] } ] } ] }, { "id": "wear-care-and-retirement", "name": "Wear, care and retirement", "description": "Links mattress-specific deterioration to permitted maintenance and end-of-use decisions.", "rationale": "Surface appearance alone may conceal support loss, while age alone does not establish the state of a particular mattress.", "layers": [ { "id": "support-deterioration", "name": "Support deterioration", "description": "Assesses persistent deformation and failures within the support body.", "findings": [ { "id": "loss-of-support-indicators", "name": "Loss-of-support indicators", "description": "Record lasting depressions, uneven response, displaced filling, damaged springs or chamber leakage under stated inspection conditions.", "questions": [ { "text": "What depressions or uneven areas remain after unloading for a recorded recovery interval on a suitable foundation?", "kind": "measurement", "id": "loss-of-support-indicators-q01" }, { "text": "Is the observed support problem attributable to the mattress, its adjustment state or the foundation beneath it?", "kind": "boundary", "id": "loss-of-support-indicators-q02" } ] } ] }, { "id": "permitted-care-and-exit", "name": "Permitted care and exit", "description": "Connects construction and condition to handling, repair and retirement choices.", "findings": [ { "id": "condition-based-next-action", "name": "Condition-based next action", "description": "Choose the next action using observed condition and documented limits on rotation, flipping, repair, storage and disposal.", "questions": [ { "text": "Do the sleeping-face design and instructions permit rotation, flipping, chamber repair or replacement of a removable cover?", "kind": "action", "id": "condition-based-next-action-q01" }, { "text": "Which observed defects or unresolved contamination concerns require repair, specialist assessment or retirement?", "kind": "action", "id": "condition-based-next-action-q02" }, { "text": "Which local reuse or recycling routes accept this mattress construction and condition?", "kind": "action", "id": "condition-based-next-action-q03" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-confidence-notes", "name": "Check these first", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "This describes the physical sleeping-support object at the generic kind level, not a product model or individual unit.", "Dimensions are approximate examples for adult household products, not universal limits; firmness labels are not directly comparable across manufacturers.", "Standards are recalled without consultation; editions, applicability, and jurisdiction-specific requirements need verification." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of mattress this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-kinds", "name": "Kinds and varieties", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Innerspring mattress", "Polyurethane foam mattress, including memory foam", "Latex mattress", "Hybrid spring-and-foam mattress", "Air mattress", "Water-filled mattress" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of mattress this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "EN 1957, issued by the European Committee for Standardization (CEN), specifies test methods for functional characteristics of beds and mattresses.", "ASTM F1566, issued by ASTM International, provides test methods for evaluating innersprings, boxsprings, mattresses, and mattress sets." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of mattress this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-real-world-use", "name": "Real-world use", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Providing a sleeping surface in homes and accommodation facilities.", "Supporting patients in healthcare settings, including specialized designs for pressure redistribution.", "Providing portable or temporary sleeping surfaces for camping and guests.", "Providing sleeping surfaces in vehicles and vessels." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of mattress this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-measurements", "name": "Typical measurements", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "quantity": "Length of common adult household mattresses", "typical_range": "190-210", "unit": "cm" }, { "quantity": "Width of common adult household mattresses", "typical_range": "90-200", "unit": "cm" }, { "quantity": "Thickness of common adult household mattresses", "typical_range": "10-40", "unit": "cm" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of mattress this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-failure-modes-and-hazards", "name": "Failure modes and hazards", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Permanent sagging, foam compression, or spring fatigue can produce uneven support.", "Torn covers or damaged internal components can expose filling or sharp spring ends.", "Air or water chamber leaks can cause loss of support; water leakage can also damage surrounding property.", "Retained moisture can promote mould, and seams or internal spaces can harbour pests.", "Combustible components can contribute to fire and smoke hazards." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of mattress this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-regional-variation", "name": "Regional variation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Names such as twin, double, queen, and king do not denote identical dimensions in every market.", "Mattress and bed-base combinations vary, including use with slatted bases, upholstered foundations, or floor-based sleeping arrangements.", "Flammability, labelling, and disposal requirements depend on jurisdiction and intended use." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of mattress this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-neighbours", "name": "Neighbouring kinds and how to tell them apart", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "name": "bed", "difference": "A bed is the broader sleeping furniture or arrangement; a mattress is its body-supporting component." }, { "name": "mattress topper", "difference": "A topper supplements an existing mattress rather than ordinarily supplying the complete mattress support assembly." }, { "name": "bed base", "difference": "A bed base supports the mattress from underneath rather than serving as the mattress itself." }, { "name": "mattress protector", "difference": "A protector primarily shields the mattress from contamination or wear rather than providing substantial body support." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of mattress this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Where should the boundary fall between this general mattress model and specialised infant, healthcare or active pressure-management models?", "Which current standards and issuing bodies govern each intended setting and market, and what evidence demonstrates their applicability?", "Which measurement methods allow meaningful comparison of firmness, motion transfer, heat and moisture behaviour across mattress constructions?", "What construction-specific evidence distinguishes recoverable compression or expected settling from support failure requiring intervention?", "What validated criteria support return to use after wetting or contamination, particularly when the interior cannot be inspected?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 18, "questions": 32 } }, "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 mattress, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to recognise a mattress, assess its support, fit and condition, and determine suitable placement, use, care or retirement.", "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: anti-decubitus mattress, foldable mattress, Tediber, vacuum mattress, air mattress, The Saatva Mattress, The L&L Mattress, Zenhaven Latex Mattress, Casper Mattress, manufacture of mattresses, smart mattress, Pillow Top Mattress.", "13 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 82 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 mattress, 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": [ "anti-decubitus mattress", "foldable mattress", "Tediber", "vacuum mattress", "air mattress", "The Saatva Mattress", "The L&L Mattress", "Zenhaven Latex Mattress", "Casper Mattress", "manufacture of mattresses", "smart mattress", "Pillow Top Mattress" ] } ], "standing": "Described in 82 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 13 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 mattress from another, and a mattress 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 mattress, 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 mattress, 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 mattress 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 mattress, 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 mattress, 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 mattress 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 mattress 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 mattress, 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 mattress, 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 mattress 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 mattress from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a mattress, 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 mattress, 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 mattress 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 mattress 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 mattress, 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 mattress, 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 mattress 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 mattress is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a mattress, 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 mattress, 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 mattress 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 mattress is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a mattress, 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 mattress, 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 mattress 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 mattress 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 mattress is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a mattress, 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 mattress, 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 mattress 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 mattress 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 mattress, 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 mattress, 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 mattress 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 mattress 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 mattress between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a mattress, 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 mattress, 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 mattress 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 mattress, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a mattress 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 mattress, 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 mattress, 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 mattress 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 mattress 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 mattress 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 mattress, 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 mattress 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 mattress 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 mattress 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 mattress 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 mattress 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 mattress, 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 mattress 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 mattress and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a mattress, 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 mattress, 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 mattress 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 mattress is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a mattress, 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 mattress, 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 mattress 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 } } } }