{ "model": { "rank": 3059, "code": "thing-q80284", "model_id": "vr.tr.viola", "name": "viola", "purpose": "Enable an AI agent to recognise a viola, assess its playing condition and suitability, and decide which uses, adjustments or specialist interventions are appropriate.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.OBJ", "industry": "", "version": "", "url": "/models/thing/q80284/", "tier": 2, "score": 92, "payload": { "layer": "wikidata", "aliases": [ "electric viola", "viola (arc)", "viola (fingered)" ], "aliasCount": 3, "merged": 3, "knownIn": 92, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.viola-plant", "source": { "dataset": "wikidata", "item": "Q80284", "url": "https://www.wikidata.org/wiki/Q80284", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T14:29:32Z", "providers": [ "Codex", "Grok" ], "missingProviders": [], "pass": 2, "cost": { "grok": { "usd": 0.00868394, "turns": 1, "seconds": 149.6, "error": null }, "codex": { "seconds": 70.2, "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: 01a07c43-78f0-7111-9f7b-8389fb666ccd\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: viola\nRegistry id: vr.tr.viola\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA Vercy model" } } }, "metaModel": { "id": "THING-Q80284", "registryId": "vr.tr.viola", "name": "viola", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q80284/", "model": { "registry_id": "vr.tr.viola", "name": "viola", "purpose": "Enable an AI agent to recognise a viola, assess its playing condition and suitability, and decide which uses, adjustments or specialist interventions are appropriate.", "definition": "A bowed, unfretted, four-string necked-box lute of the violin family, tuned in fifths to C3-G3-D4-A4, with a larger body and longer vibrating string length than the violin so that it functions as the alto voice of the modern string ensemble.", "scope_statement": "This model owns an individual viola understood as a bowed string musical instrument, including its construction, fitted components, setup, condition and playing constraints; this interpretation remains provisional because the registry has no definition.", "in_scope": [ "Instrument identity and evidence that it is a viola", "Body dimensions, construction and acoustic or electric configuration", "Installed strings, tuning, bridge and other playing setup", "Structural condition, response and playability", "Fit to a player and constraints on handling, adjustment and repair" ], "out_of_scope": [ "Viola plants and other non-instrument meanings of the name", "Bows, cases and detachable accessories as independently managed objects", "The player's anatomy, technique and medical condition", "Musical works, notation and ensemble roles", "Ownership transactions, insurance contracts and market valuation" ], "distinguishing_features": [ "Compare documented instrument type, string configuration and intended register with violin and cello alternatives; appearance or tuning alone is insufficient.", "Record whether its intended playing position is at the shoulder or uses another support arrangement, distinguishing standard practice from adaptations.", "Measure body length, vibrating string length and body proportions; assess them together rather than assigning identity from a single size threshold.", "Inspect body, neck, frets and string arrangement when distinguishing a viola from a viol or viola da gamba.", "Check whether a violin-sized or unconventional body is explicitly constructed and set up as a viola rather than treating small size as disqualifying." ], "characteristics": [ { "name": "Instrument-type evidence", "kind": "category", "unit_or_values": "documented viola; physically assessed viola; uncertain attribution", "why_it_matters": "Prevents a label, silhouette or tuning from becoming the sole basis for identification." }, { "name": "Sound-generation configuration", "kind": "category", "unit_or_values": "acoustic; electric; electro-acoustic; unresolved", "why_it_matters": "Determines which body, pickup and amplification checks apply." }, { "name": "Body length", "kind": "measurement", "unit_or_values": "mm, with measurement landmarks and method", "why_it_matters": "Supports size identification and player-fit assessment without assuming a universal viola size." }, { "name": "Vibrating string length", "kind": "measurement", "unit_or_values": "mm between the string's nut and bridge contact points", "why_it_matters": "Informs string compatibility, reach and setup assessment." }, { "name": "Installed string configuration", "kind": "category", "unit_or_values": "string count, ordered pitches, string identifiers and intended tuning", "why_it_matters": "Distinguishes conventional and variant setups and constrains replacement or retuning." }, { "name": "String action", "kind": "measurement", "unit_or_values": "mm by string at explicitly identified fingerboard locations", "why_it_matters": "Helps explain stopping effort, clearance and unwanted contact." }, { "name": "Bridge posture and seating", "kind": "state", "unit_or_values": "documented alignment, foot contact, deformation and assessment confidence", "why_it_matters": "Supports decisions about continued playing and specialist setup inspection." }, { "name": "Structural integrity", "kind": "state", "unit_or_values": "observed cracks, open seams, deformation, movement and uninspected areas", "why_it_matters": "Separates cosmetic observations from unresolved conditions affecting use." }, { "name": "Playing response", "kind": "state", "unit_or_values": "tested response, buzzes, unevenness and problematic notes, with test conditions", "why_it_matters": "Links reported musical limitations to repeatable observations." }, { "name": "Player and support fit", "kind": "relation", "unit_or_values": "identified player, chinrest or shoulder support, reach observations and trial outcome", "why_it_matters": "Suitability depends on the player and support arrangement as well as instrument dimensions." } ], "affordances": [ "Identify and document the viola while preserving uncertainty about its type or attribution.", "Assess suitability for a particular player's reach, support arrangement and musical requirements.", "Check tuning and select compatible replacement strings using the instrument's documented setup.", "Conduct a bounded playing trial and record response problems under known conditions.", "Identify conditions requiring a luthier or electric-instrument specialist before further adjustment.", "Plan handling, storage and maintenance around the instrument's construction and observed condition." ] }, "sources": [ { "id": "wikipedia-viola", "title": "Viola", "url": "https://en.wikipedia.org/wiki/Viola", "what_it_supports": "Instrument identity, CGDA tuning, body-size practice, alto-clef use, and the usual confusions with violin, cello, viola da gamba, and viola d'amore.", "url_status": "live" }, { "id": "wikidata-q80284", "title": "viola (Q80284)", "url": "https://www.wikidata.org/wiki/Q80284", "what_it_supports": "Canonical Wikidata item for the musical instrument as distinct from the plant genus Viola and from guitar-family instruments called viola in Portuguese.", "url_status": "live" }, { "id": "grove-viola", "title": "Viola (The New Grove Dictionary of Music and Musicians / Grove Music Online)", "url": "", "what_it_supports": "Specialist history of the viola da braccio line, construction relative to the violin, and the lack of a single standardised body length." }, { "id": "hornbostel-sachs-1914", "title": "Systematik der Musikinstrumente: ein Versuch (Zeitschrift für Ethnologie, 1914)", "url": "", "what_it_supports": "Hornbostel-Sachs class 321.322 (necked box lute) with the bow suffix used for the violin family, including the viola." } ], "structure": { "bundles": [ { "id": "viola-identity", "name": "Viola identity", "description": "Establishes why this instrument belongs to the viola entry and which variant it represents.", "rationale": "Violas can overlap visually and dimensionally with neighbouring bowed instruments, so identity requires combined evidence.", "layers": [ { "id": "instrument-boundary", "name": "Instrument boundary", "description": "Tests the interpretation of viola against neighbouring instrument types.", "findings": [ { "id": "viola-identification-basis", "name": "Viola identification basis", "description": "Records supporting observations and unresolved conflicts without treating any single feature as decisive.", "questions": [ { "text": "What construction, intended register, playing position and documentation support identifying this instrument as a viola?", "kind": "definition", "id": "viola-identification-basis-q01" }, { "text": "What evidence distinguishes it from a violin, cello, viol or instrument converted to another role?", "kind": "boundary", "id": "viola-identification-basis-q02" } ] } ] }, { "id": "variant-and-attribution", "name": "Variant and attribution", "description": "Separates present configuration from claims about manufacture and earlier forms.", "findings": [ { "id": "documented-viola-variant", "name": "Documented viola variant", "description": "Captures acoustic or electric form, string-count variants and evidence behind maker or conversion claims.", "questions": [ { "text": "Which viola variant describes its present construction and intended use, and which features depart from that description?", "kind": "definition", "id": "documented-viola-variant-q01" }, { "text": "What records or inspections support its maker, date and any conversion history, beyond an internal label alone?", "kind": "provenance", "id": "documented-viola-variant-q02" } ] } ] } ] }, { "id": "body-scale-and-player-fit", "name": "Body scale and player fit", "description": "Connects the viola's physical dimensions with reach, support and practical handling.", "rationale": "A size designation alone does not establish whether a particular viola is manageable for a particular player.", "layers": [ { "id": "body-and-string-scale", "name": "Body and string scale", "description": "Records dimensions that distinguish the body envelope from the playing length.", "findings": [ { "id": "measured-viola-geometry", "name": "Measured viola geometry", "description": "Retains measurement methods so body length, neck geometry and string length can be compared reliably.", "questions": [ { "text": "What are the body length, bout widths, rib depth and vibrating string length, and how was each measured?", "kind": "measurement", "id": "measured-viola-geometry-q01" }, { "text": "Does any stated size designation accurately describe these measurements, or conceal an unusual body or neck configuration?", "kind": "boundary", "id": "measured-viola-geometry-q02" } ] } ] }, { "id": "playing-reach-and-support", "name": "Playing reach and support", "description": "Assesses this viola in relation to an identified player and fitted supports.", "findings": [ { "id": "player-fit-trial", "name": "Player-fit trial", "description": "Records observed reach and support limitations without inferring suitability from dimensions alone.", "questions": [ { "text": "With the recorded chinrest and shoulder-support arrangement, can the intended player reach the required positions and bow each string comfortably?", "kind": "measurement", "id": "player-fit-trial-q01" }, { "text": "Which support changes or further supervised trials are justified before accepting or rejecting this viola for that player?", "kind": "action", "id": "player-fit-trial-q02" } ] } ] } ] }, { "id": "strings-and-playing-setup", "name": "Strings and playing setup", "description": "Describes the installed string system and the geometry through which it is played.", "rationale": "String choice, tuning and setup jointly determine whether the viola can be used as intended.", "layers": [ { "id": "stringing-and-tuning", "name": "Stringing and tuning", "description": "Documents the actual strings and intended pitches, including variant tunings.", "findings": [ { "id": "compatible-string-system", "name": "Compatible string system", "description": "Connects installed strings with the instrument's scale, tuning and attachment hardware.", "questions": [ { "text": "What strings are installed, in what order and tuning, and what evidence establishes their compatibility with this viola's vibrating string length?", "kind": "definition", "id": "compatible-string-system-q01" }, { "text": "Which documented string replacements or tuning changes are suitable, and which require specialist assessment?", "kind": "action", "id": "compatible-string-system-q02" } ] } ] }, { "id": "bridge-fingerboard-and-tuning-hardware", "name": "Bridge, fingerboard and tuning hardware", "description": "Examines the contact geometry and hardware governing stopping, bow clearance and tuning.", "findings": [ { "id": "functional-setup-geometry", "name": "Functional setup geometry", "description": "Records action, spacing, bridge condition and tuning operation as an interacting setup.", "questions": [ { "text": "What are the measured string clearances and spacings, and what bridge or fingerboard observations explain restricted bow access or unwanted string contact?", "kind": "measurement", "id": "functional-setup-geometry-q01" }, { "text": "Do the pegs and fine tuners operate reliably, and which observed setup problems require a luthier's intervention?", "kind": "action", "id": "functional-setup-geometry-q02" } ] } ] } ] }, { "id": "structural-condition-and-intervention", "name": "Structural condition and intervention", "description": "Assesses the viola's load-bearing assembly and the implications of damage or earlier repairs.", "rationale": "A viola may remain playable while structural or setup defects still require limits on use and adjustment.", "layers": [ { "id": "body-neck-and-internal-support", "name": "Body, neck and internal support", "description": "Locates damage and uncertainty in the body, neck joint and applicable internal components.", "findings": [ { "id": "structural-condition-evidence", "name": "Structural condition evidence", "description": "Distinguishes visible observations from specialist conclusions and inaccessible areas.", "questions": [ { "text": "Where are cracks, open seams, deformation or joint movement observed, and which areas remain uninspected?", "kind": "measurement", "id": "structural-condition-evidence-q01" }, { "text": "For this construction, what inspection evidence exists for the soundpost, bass bar or other internal supports, where present?", "kind": "provenance", "id": "structural-condition-evidence-q02" } ] } ] }, { "id": "repair-and-use-limits", "name": "Repair and use limits", "description": "Connects repair history and current findings with permissible handling and intervention.", "findings": [ { "id": "condition-dependent-actions", "name": "Condition-dependent actions", "description": "Records supported decisions about playing, maintenance and referral without assuming that old repairs are either sound or defective.", "questions": [ { "text": "Which repairs or alterations are documented, and what evidence establishes their present stability?", "kind": "provenance", "id": "condition-dependent-actions-q01" }, { "text": "Given the observed condition, may playing continue, what handling limits apply, and what must a specialist assess before adjustment?", "kind": "action", "id": "condition-dependent-actions-q02" } ] } ] } ] }, { "id": "sound-response-and-readiness", "name": "Sound response and readiness", "description": "Determines whether this viola delivers usable response in its intended playing configuration.", "rationale": "Physical integrity alone does not establish musical readiness, and response judgments depend on how the viola was tested.", "layers": [ { "id": "bowed-response", "name": "Bowed response", "description": "Captures repeatable response observations across strings, positions and dynamics.", "findings": [ { "id": "response-test-evidence", "name": "Response test evidence", "description": "Associates tonal or mechanical symptoms with notes and controlled trial conditions.", "questions": [ { "text": "Under which player, bow, tuning and room conditions were response, balance, buzzes or unstable notes assessed?", "kind": "provenance", "id": "response-test-evidence-q01" }, { "text": "On which strings, pitches, positions and dynamics are problems repeatable, and what comparisons help separate instrument effects from trial conditions?", "kind": "measurement", "id": "response-test-evidence-q02" } ] } ] }, { "id": "configuration-specific-readiness", "name": "Configuration-specific readiness", "description": "Combines response evidence with the requirements of acoustic or amplified use.", "findings": [ { "id": "intended-use-readiness", "name": "Intended-use readiness", "description": "Records readiness for a specified use, including applicable onboard electronics and unresolved limitations.", "questions": [ { "text": "For an electric or electro-acoustic viola, do the fitted pickup, output and onboard controls function with the documented test equipment?", "kind": "measurement", "id": "intended-use-readiness-q01" }, { "text": "For the intended rehearsal, performance or practice use, is this viola ready, conditionally usable or awaiting intervention, and what evidence supports that decision?", "kind": "action", "id": "intended-use-readiness-q02" } ] } ] } ] }, { "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-kinds", "name": "Kinds and varieties", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Full-size orchestral viola (about 16-16.5 in / 406-419 mm back length)", "Small adult or youth viola (15-15.5 in), the usual compromise for smaller players", "Fractional student viola (about 11-14 in), sized like fractional violins", "Tertis-model / wide-bodied viola (broader lower bouts, later 20th-century pattern)", "Baroque or period viola (gut strings, shorter neck, baroque bridge and fittings)", "Electric viola (solid or semi-hollow body, magnetic or piezo pickup)", "Five-string viola (CGDA plus a high E, or less often a low extension)", "Silent or practice viola (studio pickup instrument with little acoustic output)" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of viola this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-identifiers", "name": "Identifiers and schemes", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "scheme": "Wikidata", "value_or_pattern": "Q80284", "note": "Musical instrument; not Q145393 (plant genus Viola)." }, { "scheme": "Hornbostel-Sachs", "value_or_pattern": "321.322-71", "note": "Necked box lute sounded with a bow; shared with violin and cello." }, { "scheme": "General MIDI", "value_or_pattern": "program 41 (Viola)", "note": "Timbre identifier in electronic scores, not a physical-object serial." }, { "scheme": "Harmonized System", "value_or_pattern": "9202.10", "note": "Bowed string instruments in customs classification; not viola-specific." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of viola this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "CITES (CITES Secretariat / parties): Appendix II listing of Paubrasilia echinata (pernambuco) governs trade in most professional viola bows; Dalbergia spp. listings cover many frogs and fittings.", "U.S. Lacey Act (U.S. Congress / USDA-APHIS): plant-product declaration and prohibition rules apply to tropical hardwoods in the instrument and bow.", "EU timber / deforestation rules (European Union): due-diligence on wood species and origin for instruments and bows placed on the EU market.", "MMA General MIDI specification (MIDI Manufacturers Association): program 41 as the conventional electronic viola voice; does not govern the acoustic instrument." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of viola this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-real-world-use", "name": "Real-world use", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Alto line in symphony orchestra and string orchestra, usually reading alto clef and switching to treble in high passages.", "Inner voice of the string quartet (two violins, viola, cello) and of piano quartets, string quintets, and similar chamber groups.", "Solo concerto and recital instrument (e.g. concertos by Walton, Bartók, Hindemith) and obbligato parts in opera and oratorio.", "School and conservatoire training instrument, often started from violin or from a fractional viola.", "Session, film, and studio work; folk, jazz, and some popular music; electric violas on amplified stages." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of viola this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-measurements", "name": "Typical measurements", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "quantity": "Back / body length", "typical_range": "380-420 (adult; 15-16.5 in); student fractionals lower", "unit": "mm" }, { "quantity": "Vibrating string length", "typical_range": "360-380", "unit": "mm" }, { "quantity": "Rib height", "typical_range": "32-40", "unit": "mm" }, { "quantity": "Instrument mass (without case)", "typical_range": "0.45-0.70", "unit": "kg" }, { "quantity": "Open-string pitches (A4 = 440 Hz)", "typical_range": "C3 130.81; G3 196.00; D4 293.66; A4 440.00", "unit": "Hz" }, { "quantity": "String count (standard acoustic)", "typical_range": "4", "unit": "count" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of viola this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-failure-modes-and-hazards", "name": "Failure modes and hazards", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Wolf tone, most often near C-C♯ on the C string, from body-string coupling.", "Soundpost falling or crushing the plate after a knock, humidity swing, or bridge collapse.", "Open seams and plate cracks from impact or from glue failure in dry or wet air.", "Peg slip or seize; bridge warping or leaning toward the fingerboard under string tension.", "Bow-hair breakage, stick warp, and CITES/customs seizure of pernambuco bows in travel.", "Playing-related strain: left-shoulder and neck load from the larger reach and from chinrest/shoulder-rest setup; hearing risk in orchestral pits." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of viola this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-regional-variation", "name": "Regional variation", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "English viola, German Bratsche, French alto; Italian viola historically also named the whole da-braccio family (viola da braccio vs viola da gamba).", "In Portuguese (Portugal and Brazil), viola usually means a guitar-family instrument (viola caipira, viola braguesa), not the bowed alto.", "No single international body length: many North American and British orchestral players prefer 16-16.5 in; 15.5-16 in is common for smaller adults in several European scenes.", "Historical English 'tenor violin' and some Central European 'Tenorgeige' labels overlap the large-viola / small-tenor zone." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of viola this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-neighbours", "name": "Neighbouring kinds and how to tell them apart", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "name": "Violin", "difference": "Smaller standardised back (~356 mm), open strings G3-D4-A4-E5, treble clef as home clef; viola is larger, has a low C string, and lives in alto clef." }, { "name": "Cello (violoncello)", "difference": "Played upright between the knees with an endpin; tuned C2-G2-D3-A3, an octave below the viola, and far larger." }, { "name": "Viola da gamba", "difference": "Viol family: fretted fingerboard, typically six or seven strings, different tunings, underhand bow, held on or between the legs - not a violin-family alto." }, { "name": "Viola d'amore", "difference": "Usually six or seven playing strings plus sympathetic strings under the fingerboard; different outline and tuning, even when held like a viola." }, { "name": "Portuguese / Brazilian viola (guitar family)", "difference": "Plucked, often multi-course guitar relative; naming collision only, separated by playing method, stringing, and Hornbostel-Sachs class." }, { "name": "Viola pomposa / viola da spalla / vertical viola", "difference": "Held across the chest or more cello-like; extra string or tenor range; treated as related historical or experimental types, not the standard shoulder-held orchestral viola." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of viola this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does vr.tr.viola explicitly denote the musical instrument, and does an existing world model already own this concept?", "Which historical, electric, extended-range or adapted viola forms must this registry entry include?", "Which authoritative measurement conventions and size terminology should be used across different viola designs?", "What construction-specific evidence should distinguish routine player maintenance from adjustments requiring a luthier?", "Which repeatable playing assessments and expert criteria can support readiness decisions without presenting tonal preference as an objective defect?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 18, "questions": 28 } }, "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 viola, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to recognise a viola, assess its playing condition and suitability, and decide which uses, adjustments or specialist interventions are appropriate.", "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: electric viola, viola (arc), viola (fingered).", "3 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 92 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 viola, 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": [ "electric viola", "viola (arc)", "viola (fingered)" ] } ], "standing": "Described in 92 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 3 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 viola from another, and a viola 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 viola, 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 viola, 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 viola 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 viola, 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 viola, 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 viola 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 viola 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 viola, 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 viola, 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 viola 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 viola from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a viola, 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 viola, 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 viola 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 viola 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 viola, 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 viola, 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 viola 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 viola is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a viola, 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 viola, 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 viola 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 viola is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a viola, 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 viola, 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 viola 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 viola 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 viola is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a viola, 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 viola, 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 viola 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 viola 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 viola, 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 viola, 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 viola 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 viola 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 viola between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a viola, 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 viola, 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 viola 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 viola, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a viola 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 viola, 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 viola, 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 viola 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 viola 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 viola 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 viola, 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 viola 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 viola 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 viola 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 viola 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 viola 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 viola, 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 viola 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 viola and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a viola, 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 viola, 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 viola 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 viola is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a viola, 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 viola, 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 viola 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 } } } }