{ "model": { "rank": 10638, "code": "thing-q868557", "model_id": "vr.tr.music-festival", "name": "music festival", "purpose": "Let an agent explain music festivals and their kinds, relay organisation, economics and safety, describe history and notable festivals, and route to entries for specific events.", "family": "Thing Registry", "category": "Activities and processes", "status": "research-draft", "kind": "thing", "plane": "ACT", "domain": "ACT.ACT", "industry": "", "version": "", "url": "/models/thing/q868557/", "tier": 2, "score": 44, "payload": { "layer": "wikidata", "aliases": [ "Meskie Granie", "Festival Alcalá Música Antigua", "Art on Ice", "cancelled music event due to the COVID-19 pandemic", "eisteddfod", "folk music festival", "Flow Festival", "Dalarock", "rampak bedug", "Dark Troll Festival", "rock festival", "chamber music festival", "Rauma Blues", "Live is Live", "Nations Rhythm Festival", "Metal for Emergency", "women's music festival", "Suomipop Festivaali", "reggae festival", "Hudba v synagogách plzeňského regionu", "Majuli Music Festival", "Wrecking Ball Madness", "piano festival", "Slovenska popevka", "classical music festival", "world music festival", "Ustuu-Khuree", "Showcase festival", "New Zealand music festivals", "A Campingflight to Lowlands Paradise", "Raumanmeren juhannus", "Melodies of the Sea and Sun", "Evrovizijska Melodija", "choir festival", "Seinäjoki Tango Festival", "Road to Ultra", "Dranouter aan zee", "Teknival", "jazz festival", "opera festival" ], "aliasCount": 56, "merged": 56, "knownIn": 44, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q868557", "url": "https://www.wikidata.org/wiki/Q868557", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-13T01:30:35Z", "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": 3, "engine": "claude" }, "metaModel": { "id": "THING-Q868557", "registryId": "vr.tr.music-festival", "name": "music festival", "version": "0.2.0-wave.3", "entryKind": "thing", "family": "Thing Registry", "domain": [ "ACT.ACT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q868557/", "model": { "registry_id": "vr.tr.music-festival", "name": "music festival", "purpose": "Let an agent explain music festivals and their kinds, relay organisation, economics and safety, describe history and notable festivals, and route to entries for specific events.", "definition": "An organised event presenting multiple musical performances over one or more days, often outdoors and themed by genre such as rock, folk, jazz, classical or early music, ranging from local community festivals and competitive events such as the Welsh eisteddfod to large commercial festivals such as Glastonbury and Coachella and national events such as Polish Meskie Granie; festivals combine music with camping, food and other arts, are major economic and cultural events, and many were cancelled during the COVID-19 pandemic.", "what_it_is_for": "Presenting music and gathering audiences.", "affordances": [ "explain kinds and formats", "relay organisation and safety", "relay economics and history", "route to specific festivals" ], "distinguishing_features": [ "Multiple performances", "Site-based experience", "Genre identity", "Economic and cultural impact" ], "appearance": "Stages, crowds, tents and stalls at a site over several days.", "visual_identification": [ "Multi-performance music event", "Genre, community, competitive and mega festivals", "A concert is a single performance; an arts festival may include music among other arts" ], "physical_properties": [ { "quantity": "Glastonbury capacity", "typical_range": "about 210000", "unit": "people", "note": "licensed" } ], "families_and_kinds": [ "rock and pop festivals", "folk music festivals", "jazz and blues festivals", "classical and early music festivals such as Alcala Musica Antigua", "competitive festivals such as the eisteddfod", "electronic music festivals", "touring and city festivals", "festivals cancelled or moved online during the pandemic" ], "related_models": [ { "relation": "is a kind of", "target": "music event", "why": "in registry terms" }, { "relation": "is a kind of", "target": "arts festival", "why": "in registry terms" }, { "relation": "is organised by", "target": "festival organiser", "why": "or promoter" }, { "relation": "is contrasted with", "target": "concert", "why": "a single performance" } ], "identifiers": [], "standards_and_regulation": [ "Event licensing and safety guidance such as the UK Purple Guide", "Noise and environmental rules", "Crowd management standards", "Ticketing and consumer rules" ], "failure_modes_and_hazards": [ "Crowd crushes and safety incidents", "Cancellations and financial failure", "Environmental impact", "Ticket fraud" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "understand", "name": "Understand", "description": "What a music festival is.", "rationale": "Definition.", "layers": [ { "id": "definition", "name": "Definition", "description": "Definition and kinds.", "findings": [ { "id": "definition-finding", "name": "Definition", "description": "Definition.", "questions": [ { "text": "What is a music festival, and what kinds exist?", "kind": "definition" }, { "text": "Is the event a festival, a concert or another arts event?", "kind": "boundary" } ] } ] }, { "id": "notable", "name": "Notable", "description": "Notable festivals.", "findings": [ { "id": "notable-finding", "name": "Notable", "description": "Notable.", "questions": [ { "text": "What are the notable festivals by genre and country, with sources?", "kind": "provenance" }, { "text": "Which entry fits the specific festival?", "kind": "action" } ] } ] } ] }, { "id": "organise", "name": "Organise", "description": "Organisation and safety.", "rationale": "Regulation.", "layers": [ { "id": "organisation", "name": "Organisation", "description": "Organisation.", "findings": [ { "id": "organisation-finding", "name": "Organisation", "description": "Organisation.", "questions": [ { "text": "How are festivals planned, licensed, programmed and staffed?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] }, { "id": "safety", "name": "Safety", "description": "Safety.", "findings": [ { "id": "safety-finding", "name": "Safety", "description": "Safety.", "questions": [ { "text": "What crowd safety, health and environmental rules apply, and what incidents have shaped them, as reported?", "kind": "provenance" }, { "text": "Which sources are cited?", "kind": "provenance" } ] } ] } ] }, { "id": "impact", "name": "Impact", "description": "Economics and culture.", "rationale": "Attribution.", "layers": [ { "id": "economics", "name": "Economics", "description": "Economics.", "findings": [ { "id": "economics-finding", "name": "Economics", "description": "Economics.", "questions": [ { "text": "What do studies say about the economic impact and business models of festivals, with sources?", "kind": "provenance" }, { "text": "Is the information current?", "kind": "boundary" } ] } ] }, { "id": "culture", "name": "Culture", "description": "Cultural significance.", "findings": [ { "id": "culture-finding", "name": "Culture", "description": "Culture.", "questions": [ { "text": "How do festivals shape music culture and identity, with attribution?", "kind": "provenance" }, { "text": "Which entry fits festival culture?", "kind": "action" } ] } ] } ] }, { "id": "context", "name": "Context", "description": "History and pandemic.", "rationale": "Context.", "layers": [ { "id": "history", "name": "History", "description": "History.", "findings": [ { "id": "history-finding", "name": "History", "description": "History.", "questions": [ { "text": "How did music festivals develop from ancient and competitive traditions to Woodstock and modern festivals?", "kind": "provenance" }, { "text": "Which entry fits the history of music festivals?", "kind": "action" } ] } ] }, { "id": "pandemic", "name": "Pandemic", "description": "COVID-19 impact.", "findings": [ { "id": "pandemic-finding", "name": "Pandemic", "description": "Pandemic.", "questions": [ { "text": "How did the pandemic affect festivals, and how did they recover, as reported?", "kind": "provenance" }, { "text": "Which entry fits the impact of COVID-19 on the music industry?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should notable festivals be separate entries?", "How should safety guidance be linked?", "The registry entry has merged aliases naming specific festivals and an unrelated show; 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 music festival, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent explain music festivals and their kinds, relay organisation, economics and safety, describe history and notable festivals, and route to entries for specific events.", "characteristics": { "substance": "activity", "origin": "conceptual", "agency": "inert" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: Meskie Granie, Festival Alcalá Música Antigua, Art on Ice, cancelled music event due to the COVID-19 pandemic, eisteddfod, folk music festival, Flow Festival, Dalarock, rampak bedug, Dark Troll Festival, rock festival, chamber music festival.", "56 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 44 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 music festival, and on what evidence are they told apart?" ], "whatItIsMadeOf": "something that happens over time", "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": [ "Meskie Granie", "Festival Alcalá Música Antigua", "Art on Ice", "cancelled music event due to the COVID-19 pandemic", "eisteddfod", "folk music festival", "Flow Festival", "Dalarock", "rampak bedug", "Dark Troll Festival", "rock festival", "chamber music festival" ] } ], "standing": "Described in 44 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 56 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 music festival from another, and a music festival 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 music festival, 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 music festival, 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 music festival 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 music festival, 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 music festival, 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 music festival 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 music festival 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 music festival, 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 music festival, 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 music festival 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 music festival from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a music festival, 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 music festival, 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 music festival 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 music festival 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 music festival between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a music festival, 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 music festival, 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 music festival 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 music festival, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a music festival 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 music festival, 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 music festival, 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 music festival is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "process-and-outcome", "name": "Process, inputs and outcome", "description": "How a music festival proceeds, what it needs and what it leaves behind.", "rationale": "An activity is known by its steps and its results, and both have to be recordable while it is still running.", "layers": [ { "id": "steps-and-sequence", "name": "Steps and sequence", "description": "The steps of a music festival, their order and what may run in parallel.", "findings": [ { "id": "steps-and-preconditions", "name": "Steps, preconditions and completion", "description": "What has to be true before each step of a music festival and what marks it done.", "questions": [ { "id": "steps-and-preconditions-q01", "text": "What identifies and describes a step of a music festival, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "steps-and-preconditions-q02", "text": "Who or what asserted this about a step of a music festival, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "steps-and-preconditions-q03", "text": "What may an agent decide or do once a step of a music festival is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "inputs-and-results", "name": "Inputs, resources and results", "description": "What a music festival consumes and what it produces.", "findings": [ { "id": "inputs-and-outputs", "name": "Inputs, outputs and side effects", "description": "The resources a music festival takes and the results it leaves, wanted or not.", "questions": [ { "id": "inputs-and-outputs-q01", "text": "What identifies and describes the inputs and results of a music festival, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "inputs-and-outputs-q02", "text": "Who or what asserted this about the inputs and results of a music festival, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "inputs-and-outputs-q03", "text": "What may an agent decide or do once the inputs and results of a music festival 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 music festival 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 music festival 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 music festival 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 music festival 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 music festival?", "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 music festival?", "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 music festival 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 music festival and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a music festival, 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 music festival, 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 music festival 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 music festival is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a music festival, 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 music festival, 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 music festival is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 6, "layers": 12, "findings": 14, "questions": 38 } } } }