{ "model": { "rank": 9297, "code": "thing-q216926", "model_id": "vr.tr.raga", "name": "raga", "purpose": "Let an agent explain raga as a melodic framework, relay theory, classification and performance from musicological sources, describe specific ragas and families, and distinguish raga from scale, mode and composition and from the film and fusion uses of the word.", "family": "Thing Registry", "category": "Cross-cutting context", "status": "research-draft", "kind": "thing", "plane": "XCT", "domain": "XCT.STA", "industry": "", "version": "", "url": "/models/thing/q216926/", "tier": 2, "score": 48, "payload": { "layer": "wikidata", "aliases": [ "Afro-raga", "Vivadi", "avarohana", "Kanada", "Arohana", "Janya raga", "Carnatic rāga", "Sampurna raga" ], "aliasCount": 8, "merged": 8, "knownIn": 48, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q216926", "url": "https://www.wikidata.org/wiki/Q216926", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-13T13:48:29Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 4, "engine": "claude" }, "metaModel": { "id": "THING-Q216926", "registryId": "vr.tr.raga", "name": "raga", "version": "0.2.0-wave.4", "entryKind": "thing", "family": "Thing Registry", "domain": [ "XCT.STA" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q216926/", "model": { "registry_id": "vr.tr.raga", "name": "raga", "purpose": "Let an agent explain raga as a melodic framework, relay theory, classification and performance from musicological sources, describe specific ragas and families, and distinguish raga from scale, mode and composition and from the film and fusion uses of the word.", "definition": "The melodic framework of Indian classical music, a set of notes with characteristic ascending and descending patterns called arohana and avarohana, prescribed ornaments, emphasised notes and mood, in Hindustani and Carnatic traditions with thousands of ragas including derived janya ragas in the Carnatic system, ragas using vivadi or dissonant notes, and families such as the Kanada ragas; ragas are associated with times and seasons and have inspired fusions such as Afro-raga.", "what_it_is_for": "Framing melody in Indian classical music.", "affordances": [ "explain the concept", "relay theory and classification", "describe ragas and families", "distinguish related concepts" ], "distinguishing_features": [ "Melodic rules", "Ascent and descent patterns", "Mood and time association", "Two classical systems" ], "appearance": "Not a visible object; a melodic framework heard in performance.", "visual_identification": [ "Melodic framework with arohana and avarohana", "Janya raga, vivadi, Kanada ragas, Afro-raga", "A scale is a set of notes; a mode is a scale with a tonic; a composition is a fixed piece" ], "physical_properties": [ { "quantity": "Carnatic melakarta parent ragas", "typical_range": "72", "unit": "count", "note": "" }, { "quantity": "Hindustani thaats", "typical_range": "10", "unit": "count", "note": "Bhatkhande" }, { "quantity": "ragas in use", "typical_range": "hundreds", "unit": "count", "note": "thousands documented" } ], "families_and_kinds": [ "Hindustani ragas organised by thaat", "Carnatic melakarta and janya ragas", "raga families such as Kanada and Malhar", "ragas with vivadi notes", "seasonal and time-of-day ragas", "fusion forms such as Afro-raga and raga rock" ], "related_models": [ { "relation": "is a kind of", "target": "mode", "why": "in registry terms" }, { "relation": "is a kind of", "target": "Indian classical music", "why": "concept in registry terms" }, { "relation": "is paired with", "target": "tala", "why": "the rhythmic framework" }, { "relation": "is contrasted with", "target": "musical scale", "why": "a set of notes only" } ], "identifiers": [], "standards_and_regulation": [ "No regulation; classification systems of Bhatkhande and Venkatamakhin" ], "failure_modes_and_hazards": [ "Reducing raga to a scale", "Registry aliases mixing concepts, families and fusion", "Contested classifications" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "understand", "name": "Understand", "description": "What a raga is.", "rationale": "Definition.", "layers": [ { "id": "definition", "name": "Definition", "description": "Definition.", "findings": [ { "id": "definition-finding", "name": "Definition", "description": "Definition.", "questions": [ { "text": "What is a raga, and how does it differ from a scale, a mode and a composition?", "kind": "definition" }, { "text": "Is the question about the concept, a specific raga, theory or fusion?", "kind": "boundary" } ] } ] }, { "id": "elements", "name": "Elements", "description": "Elements.", "findings": [ { "id": "elements-finding", "name": "Elements", "description": "Elements.", "questions": [ { "text": "What are arohana, avarohana, vadi, samvadi, vivadi and pakad?", "kind": "definition" }, { "text": "Which entry fits the specific element?", "kind": "action" } ] } ] } ] }, { "id": "theory", "name": "Theory", "description": "Classification.", "rationale": "Sources.", "layers": [ { "id": "hindustani", "name": "Hindustani", "description": "Hindustani system.", "findings": [ { "id": "hindustani-finding", "name": "Hindustani", "description": "Hindustani.", "questions": [ { "text": "How does the thaat system classify Hindustani ragas, and what are families such as Kanada?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] }, { "id": "carnatic", "name": "Carnatic", "description": "Carnatic system.", "findings": [ { "id": "carnatic-finding", "name": "Carnatic", "description": "Carnatic.", "questions": [ { "text": "How do melakarta and janya ragas work in the Carnatic system?", "kind": "provenance" }, { "text": "Which sources are cited?", "kind": "provenance" } ] } ] } ] }, { "id": "performance", "name": "Performance", "description": "Performance.", "rationale": "Practice.", "layers": [ { "id": "improvisation", "name": "Improvisation", "description": "Improvisation.", "findings": [ { "id": "improvisation-finding", "name": "Improvisation", "description": "Improvisation.", "questions": [ { "text": "How do musicians develop a raga in alap, composition and improvisation?", "kind": "provenance" }, { "text": "Which entry fits alap?", "kind": "action" } ] } ] }, { "id": "time", "name": "Time", "description": "Time and mood.", "findings": [ { "id": "time-finding", "name": "Time", "description": "Time.", "questions": [ { "text": "How are ragas linked to times of day, seasons and moods, as the traditions describe?", "kind": "provenance" }, { "text": "Which entry fits rasa?", "kind": "action" } ] } ] } ] }, { "id": "context", "name": "Context", "description": "History and fusion.", "rationale": "Context.", "layers": [ { "id": "history", "name": "History", "description": "History.", "findings": [ { "id": "history-finding", "name": "History", "description": "History.", "questions": [ { "text": "How did the raga concept develop from ancient treatises to modern systems?", "kind": "provenance" }, { "text": "Which entry fits the history of Indian classical music?", "kind": "action" } ] } ] }, { "id": "fusion", "name": "Fusion", "description": "Fusion.", "findings": [ { "id": "fusion-finding", "name": "Fusion", "description": "Fusion.", "questions": [ { "text": "How have ragas been used in jazz, rock and Afro-raga fusions?", "kind": "provenance" }, { "text": "Which entry fits raga rock?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should janya raga, Kanada and Afro-raga be separate primary entries?", "How should musicological sources be linked?", "The registry entry has merged aliases naming theory terms, a family and a fusion genre; should they be split off?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "abstract concept", "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 raga, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent explain raga as a melodic framework, relay theory, classification and performance from musicological sources, describe specific ragas and families, and distinguish raga from scale, mode and composition and from the film and fusion uses of the word.", "characteristics": { "substance": "abstract", "origin": "conceptual", "agency": "inert" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: Afro-raga, Vivadi, avarohana, Kanada, Arohana, Janya raga, Carnatic rāga, Sampurna raga.", "8 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 48 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 raga, and on what evidence are they told apart?" ], "whatItIsMadeOf": "an abstraction with no physical instance", "physicalCharacter": [ "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": [ "Nothing to see. What is recognised is an instance of it, and which instances count is exactly what is argued about." ], "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": [ "Afro-raga", "Vivadi", "avarohana", "Kanada", "Arohana", "Janya raga", "Carnatic rāga", "Sampurna raga" ] } ], "standing": "Described in 48 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 8 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 raga from another, and a raga 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 raga, 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 raga, 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 raga 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 raga, 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 raga, 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 raga 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 raga 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 raga, 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 raga, 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 raga 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 raga from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a raga, 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 raga, 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 raga 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 raga 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 raga between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a raga, 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 raga, 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 raga 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 raga, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a raga 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 raga, 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 raga, 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 raga is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "definitions-in-contest", "name": "Definitions and who holds them", "description": "What raga is taken to mean, and by whom.", "rationale": "When a field disagrees about a concept, the disagreement is the content. A model that picks one definition silently destroys the information.", "layers": [ { "id": "competing-definitions", "name": "Competing definitions", "description": "The main readings and the traditions behind them.", "findings": [ { "id": "definition-map", "name": "Definitions and their holders", "description": "Each definition with the school or body that holds it.", "questions": [ { "id": "definition-map-q01", "text": "Which definitions of raga are in use, and which tradition or body holds each?", "kind": "definition" }, { "id": "definition-map-q02", "text": "What turns on the difference between them in practice?", "kind": "boundary" } ] } ] }, { "id": "operationalisation", "name": "Operationalisation", "description": "How it is measured or applied when it has to be.", "findings": [ { "id": "operational-record", "name": "Measures and proxies", "description": "Instruments and indicators used to stand in for it.", "questions": [ { "id": "operational-record-q01", "text": "How is raga operationalised or measured in practice, and by what instrument?", "kind": "measurement" }, { "id": "operational-record-q02", "text": "What does that operationalisation leave out, and when does that matter?", "kind": "boundary" } ] } ] } ] }, { "id": "instances-and-use", "name": "Instances, use and consequence", "description": "What counts as an instance of raga and what follows from calling something that.", "rationale": "Applying a concept is an act with consequences, so a model must say what the label licenses and what it does not.", "layers": [ { "id": "instances", "name": "What counts as an instance", "description": "Clear cases, borderline cases and non-cases.", "findings": [ { "id": "instance-tests", "name": "Tests for an instance", "description": "What would settle whether something falls under it.", "questions": [ { "id": "instance-tests-q01", "text": "What would settle whether something is an instance of raga?", "kind": "boundary" }, { "id": "instance-tests-q02", "text": "Which borderline cases are argued about, and on what grounds?", "kind": "definition" } ] } ] }, { "id": "consequence", "name": "Consequence of application", "description": "Rights, duties or decisions that follow from the label.", "findings": [ { "id": "consequence-record", "name": "What the label licenses", "description": "What an agent may do once something is classified this way.", "questions": [ { "id": "consequence-record-q01", "text": "What follows practically once something is treated as raga?", "kind": "action" }, { "id": "consequence-record-q02", "text": "What must an agent not infer from the label alone?", "kind": "action" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a raga 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 raga and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a raga, 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 raga, 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 raga 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 raga is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a raga, 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 raga, 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 raga is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 5, "layers": 10, "findings": 12, "questions": 32 } } } }