{ "model": { "rank": 3253, "code": "thing-q34636", "model_id": "vr.tr.art-nouveau", "name": "Art Nouveau", "purpose": "Let an agent explain Art Nouveau and its characteristics and variants, identify works, artists and buildings with sources, support visiting and conservation, and describe its history and influence.", "family": "Thing Registry", "category": "Information and virtual systems", "status": "research-draft", "kind": "thing", "plane": "INF", "domain": "INF.KNW", "industry": "", "version": "", "url": "/models/thing/q34636/", "tier": 2, "score": 88, "payload": { "layer": "wikidata", "aliases": [ "Art nouveau in France", "Art Nouveau in Switzerland", "Art Nouveau in Spain", "Art Nouveau in Poland", "Art Nouveau in Belgium", "Art Nouveau in Prague", "Art nouveau in Luxembourg", "Art Nouveau in Mexico", "Stile Liberty", "Art Nouveau in the Basque Country", "Catalan modernism", "Art nouveau in Charleroi", "Art Nouveau in Liège", "Sezessionstil", "Neoliberty", "Jugendstil", "Nieuwe Kunst", "Sapin style", "Art Nouveau glass", "Modern Style", "Modernism in Camprodon" ], "aliasCount": 21, "merged": 21, "knownIn": 88, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q34636", "url": "https://www.wikidata.org/wiki/Q34636", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T00:43:32Z", "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": 2, "engine": "claude" }, "metaModel": { "id": "THING-Q34636", "registryId": "vr.tr.art-nouveau", "name": "Art Nouveau", "version": "0.2.0-wave.2", "entryKind": "thing", "family": "Thing Registry", "domain": [ "INF.KNW" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q34636/", "model": { "registry_id": "vr.tr.art-nouveau", "name": "Art Nouveau", "purpose": "Let an agent explain Art Nouveau and its characteristics and variants, identify works, artists and buildings with sources, support visiting and conservation, and describe its history and influence.", "definition": "An international style of art, architecture and decorative arts that flourished from about 1890 to 1910, characterised by flowing organic lines, natural motifs, and integration of art into everyday objects and buildings, with national variants such as Jugendstil in Germany, Secession in Austria, Modernisme in Catalonia and Stile Liberty in Italy, and notable centres in France, Belgium, Switzerland, Poland, Prague and elsewhere; Art Nouveau is studied in art history and preserved in heritage buildings and museum collections.", "what_it_is_for": "A decorative art and architecture movement.", "affordances": [ "explain characteristics and variants", "identify works and artists", "support visiting and conservation", "describe history and influence" ], "distinguishing_features": [ "Organic line", "Total design", "National variants", "Short flowering" ], "appearance": "Flowing curved lines, plant and floral motifs, in buildings, glass, furniture and posters.", "visual_identification": [ "Organic curves and natural motifs", "Around 1890 to 1910", "Art Deco is later and geometric; Arts and Crafts emphasises handcraft" ], "physical_properties": [], "families_and_kinds": [ "French and Belgian Art Nouveau", "Jugendstil", "Vienna Secession", "Catalan Modernisme", "Art Nouveau in Central and Eastern Europe" ], "related_models": [ { "relation": "is a kind of", "target": "decorative art", "why": "category" }, { "relation": "is related to", "target": "motif", "why": "natural motifs" }, { "relation": "is related to", "target": "heritage site", "why": "protected Art Nouveau buildings" }, { "relation": "is related to", "target": "tableware", "why": "Art Nouveau objects" } ], "identifiers": [], "standards_and_regulation": [ "Heritage protection for Art Nouveau buildings", "Museum cataloguing standards", "Art market authentication practices" ], "failure_modes_and_hazards": [ "Confusing with Art Deco", "Loss of buildings to demolition", "Forgeries in the art market" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "understand", "name": "Understand", "description": "What Art Nouveau is.", "rationale": "Art history.", "layers": [ { "id": "style", "name": "Style", "description": "Characteristics.", "findings": [ { "id": "style-finding", "name": "Style", "description": "Style.", "questions": [ { "text": "What characterises Art Nouveau in line, motif and integration of the arts, and how does it differ from Art Deco and Arts and Crafts?", "kind": "definition" }, { "text": "Which entry fits a specific work?", "kind": "action" } ] } ] }, { "id": "variants", "name": "Variants", "description": "National variants.", "findings": [ { "id": "variants-finding", "name": "Variants", "description": "Variants.", "questions": [ { "text": "How do Jugendstil, Secession, Modernisme, Stile Liberty and Art Nouveau in France, Belgium, Switzerland, Poland and Prague differ, according to art historians?", "kind": "provenance" }, { "text": "Which entry fits a specific variant?", "kind": "action" } ] } ] } ] }, { "id": "explore", "name": "Explore", "description": "Works, artists and buildings.", "rationale": "Practice.", "layers": [ { "id": "artists", "name": "Artists", "description": "Artists and designers.", "findings": [ { "id": "artists-finding", "name": "Artists", "description": "Artists.", "questions": [ { "text": "Who were the principal Art Nouveau artists, architects and designers, and what are their key works?", "kind": "provenance" }, { "text": "Which entry fits a specific artist?", "kind": "action" } ] } ] }, { "id": "visit", "name": "Visit", "description": "Visiting.", "findings": [ { "id": "visit-finding", "name": "Visit", "description": "Visiting.", "questions": [ { "text": "Which cities, buildings and museums offer Art Nouveau heritage to visit, and which routes exist?", "kind": "provenance" }, { "text": "Which entry fits a specific building?", "kind": "action" } ] } ] } ] }, { "id": "protect", "name": "Protect", "description": "Conservation and market.", "rationale": "Heritage.", "layers": [ { "id": "conserve", "name": "Conserve", "description": "Conservation.", "findings": [ { "id": "conserve-finding", "name": "Conserve", "description": "Conservation.", "questions": [ { "text": "How are Art Nouveau buildings and objects conserved, and which have been lost?", "kind": "provenance" }, { "text": "Which organisations are involved?", "kind": "provenance" } ] } ] }, { "id": "market", "name": "Market", "description": "Collecting.", "findings": [ { "id": "market-finding", "name": "Market", "description": "Collecting.", "questions": [ { "text": "How are Art Nouveau objects collected and authenticated?", "kind": "provenance" }, { "text": "Which entry fits art collecting?", "kind": "action" } ] } ] } ] }, { "id": "learn", "name": "Learn", "description": "History and teaching.", "rationale": "Education.", "layers": [ { "id": "history", "name": "History", "description": "History and influence.", "findings": [ { "id": "history-finding", "name": "History", "description": "History.", "questions": [ { "text": "How did Art Nouveau arise, spread and decline, and what did it influence, according to art historians?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] }, { "id": "teach", "name": "Teach", "description": "Teaching.", "findings": [ { "id": "teach-finding", "name": "Teach", "description": "Teaching.", "questions": [ { "text": "How can Art Nouveau be taught in art and design history?", "kind": "action" }, { "text": "Which misconceptions arise?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Should each national variant be a separate entry?", "How should museum collections be linked?", "How should heritage routes be linked?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "discipline or field of knowledge", "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 Art Nouveau, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent explain Art Nouveau and its characteristics and variants, identify works, artists and buildings with sources, support visiting and conservation, and describe its history and influence.", "characteristics": { "substance": "information", "origin": "conceptual", "agency": "inert" }, "whatYouCanDoWithIt": [ "read and interpreted" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: Art nouveau in France, Art Nouveau in Switzerland, Art Nouveau in Spain, Art Nouveau in Poland, Art Nouveau in Belgium, Art Nouveau in Prague, Art nouveau in Luxembourg, Art Nouveau in Mexico, Stile Liberty, Art Nouveau in the Basque Country, Catalan modernism, Art nouveau in Charleroi.", "21 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 88 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 Art Nouveau, and on what evidence are they told apart?" ], "whatItIsMadeOf": "content that has to be carried by something else", "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": [ "read it and act on what it says" ], "howItIsRecognised": [], "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": [ "Art nouveau in France", "Art Nouveau in Switzerland", "Art Nouveau in Spain", "Art Nouveau in Poland", "Art Nouveau in Belgium", "Art Nouveau in Prague", "Art nouveau in Luxembourg", "Art Nouveau in Mexico", "Stile Liberty", "Art Nouveau in the Basque Country", "Catalan modernism", "Art nouveau in Charleroi" ] } ], "standing": "Described in 88 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 21 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 Art Nouveau from another, and a Art Nouveau 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 Art Nouveau, 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 Art Nouveau, 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 Art Nouveau 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 Art Nouveau, 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 Art Nouveau, 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 Art Nouveau 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 Art Nouveau 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 Art Nouveau, 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 Art Nouveau, 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 Art Nouveau 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 Art Nouveau from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a Art Nouveau, 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 Art Nouveau, 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 Art Nouveau 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 Art Nouveau 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 Art Nouveau between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a Art Nouveau, 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 Art Nouveau, 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 Art Nouveau 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 Art Nouveau, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a Art Nouveau 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 Art Nouveau, 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 Art Nouveau, 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 Art Nouveau is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "content-and-access", "name": "Content, encoding and access", "description": "What a Art Nouveau says, how it is encoded and who may read it.", "rationale": "An informational thing carries content that can be copied, versioned and withheld, none of which its physical carrier explains.", "layers": [ { "id": "content-and-encoding", "name": "Content and encoding", "description": "The content itself, its format and its language.", "findings": [ { "id": "content-and-format", "name": "Content, format and language", "description": "What a Art Nouveau contains and in what form it is held.", "questions": [ { "id": "content-and-format-q01", "text": "What identifies and describes the content of a Art Nouveau, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "content-and-format-q02", "text": "Who or what asserted this about the content of a Art Nouveau, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "content-and-format-q03", "text": "What may an agent decide or do once the content of a Art Nouveau is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "access-and-rights", "name": "Access, rights and retention", "description": "Who may read, copy or change it, and for how long it is kept.", "findings": [ { "id": "access-rules", "name": "Access rules and retention", "description": "The permissions attached to a Art Nouveau and the period it survives.", "questions": [ { "id": "access-rules-q01", "text": "What identifies and describes access to a Art Nouveau, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "access-rules-q02", "text": "Who or what asserted this about access to a Art Nouveau, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "access-rules-q03", "text": "What may an agent decide or do once access to a Art Nouveau is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "subject-and-method", "name": "Subject matter and method", "description": "What Art Nouveau studies and how it establishes anything.", "rationale": "A field is identified by its questions and its methods, and those are what distinguish it from the fields next to it.", "layers": [ { "id": "subject", "name": "Subject matter", "description": "The questions it takes as its own.", "findings": [ { "id": "subject-record", "name": "Questions and objects of study", "description": "What it is about, stated so a neighbouring field can be told apart.", "questions": [ { "id": "subject-record-q01", "text": "What questions and objects does Art Nouveau take as its own?", "kind": "definition" }, { "id": "subject-record-q02", "text": "Which questions does it share with a neighbouring field, and who claims them?", "kind": "boundary" } ] } ] }, { "id": "method", "name": "Method and evidence", "description": "How claims are established and what counts as evidence.", "findings": [ { "id": "method-record", "name": "Methods and standards of evidence", "description": "The methods used and what they are taken to establish.", "questions": [ { "id": "method-record-q01", "text": "By what methods does Art Nouveau establish claims, and what counts as sufficient evidence?", "kind": "provenance" }, { "id": "method-record-q02", "text": "What kind of claim can this field not settle, and where should an agent look instead?", "kind": "action" } ] } ] } ] }, { "id": "institutions-and-classification", "name": "Institutions and classification", "description": "Where Art Nouveau is practised and how catalogues place it.", "rationale": "The institutional footprint is the evidence that a field exists as a field rather than as a topic.", "layers": [ { "id": "institutions", "name": "Institutional markers", "description": "Societies, journals, degrees and departments.", "findings": [ { "id": "institution-record", "name": "Bodies and venues", "description": "Where the field organises itself.", "questions": [ { "id": "institution-record-q01", "text": "Which societies, journals or degrees mark Art Nouveau as an established field?", "kind": "provenance" }, { "id": "institution-record-q02", "text": "What would show that it is emerging or dissolving rather than established?", "kind": "boundary" } ] } ] }, { "id": "classification", "name": "Classification schemes", "description": "Where library and research classifications put it.", "findings": [ { "id": "classification-record", "name": "Codes and their disagreements", "description": "The classification codes that place it, and where they differ.", "questions": [ { "id": "classification-record-q01", "text": "Which classification schemes place Art Nouveau, under what codes?", "kind": "definition" }, { "id": "classification-record-q02", "text": "Where do those schemes disagree about its scope?", "kind": "boundary" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a Art Nouveau 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 Art Nouveau and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a Art Nouveau, 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 Art Nouveau, 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 Art Nouveau 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 Art Nouveau is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a Art Nouveau, 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 Art Nouveau, 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 Art Nouveau 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 } } } }