{ "model": { "rank": 18579, "code": "thing-q448936", "model_id": "vr.tr.elfstedentocht", "name": "Elfstedentocht", "purpose": "Let an agent explain the Elfstedentocht and its route and conditions, identify editions and winners with sources, describe its cultural significance and the conditions required, and support fans and visitors.", "family": "Thing Registry", "category": "Activities and processes", "status": "research-draft", "kind": "thing", "plane": "ACT", "domain": "ACT.EVT", "industry": "", "version": "", "url": "/models/thing/q448936/", "tier": 2, "score": 29, "payload": { "layer": "wikidata", "aliases": [ "Elfstedentocht 1985" ], "aliasCount": 1, "merged": 1, "knownIn": 29, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q448936", "url": "https://www.wikidata.org/wiki/Q448936", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T02:55:03Z", "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-Q448936", "registryId": "vr.tr.elfstedentocht", "name": "Elfstedentocht", "version": "0.2.0-wave.2", "entryKind": "thing", "family": "Thing Registry", "domain": [ "ACT.EVT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q448936/", "model": { "registry_id": "vr.tr.elfstedentocht", "name": "Elfstedentocht", "purpose": "Let an agent explain the Elfstedentocht and its route and conditions, identify editions and winners with sources, describe its cultural significance and the conditions required, and support fans and visitors.", "definition": "A long-distance speed skating tour and race of almost two hundred kilometres over natural ice along canals, rivers and lakes linking eleven cities of the province of Friesland in the Netherlands, held only when the ice is thick enough, fifteen times since 1909 and most recently in 1997, organised by a Frisian association with thousands of tour skaters and a competitive race; the Elfstedentocht is a national event of great cultural significance and the subject of constant anticipation in cold winters.", "what_it_is_for": "Eleven cities skating tour of Friesland.", "affordances": [ "explain route and conditions", "identify editions and winners", "describe cultural significance", "support fans" ], "distinguishing_features": [ "Natural ice dependence", "Eleven city route", "Rare editions", "Cultural icon" ], "appearance": "Not physical; a skating event on natural ice.", "visual_identification": [ "Skating tour of eleven Frisian cities", "Only in sufficiently cold winters", "Alternative tours abroad and marathon skating on rinks are separate" ], "physical_properties": [], "families_and_kinds": [ "editions from 1909 to 1997", "the competitive race", "the tour for recreational skaters", "alternative Elfstedentochten abroad", "related Frisian skating culture" ], "related_models": [ { "relation": "is a kind of", "target": "marathon speed skating", "why": "category" }, { "relation": "is related to", "target": "canal", "why": "waterways skated" }, { "relation": "is related to", "target": "Liege-Bastogne-Liege", "why": "another recurring sports event entry" }, { "relation": "is related to", "target": "audience", "why": "spectators along the route" } ], "identifiers": [], "standards_and_regulation": [ "Association rules on ice thickness and participation", "Safety and medical arrangements", "Water authority ice management" ], "failure_modes_and_hazards": [ "Speculation about editions before ice is confirmed", "Cold injuries to skaters", "Outdated participant rules" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "understand", "name": "Understand", "description": "What the Elfstedentocht is.", "rationale": "Sport.", "layers": [ { "id": "route", "name": "Route", "description": "Route and format.", "findings": [ { "id": "route-finding", "name": "Route", "description": "Route.", "questions": [ { "text": "What is the route through the eleven cities, and how do the race and the tour differ?", "kind": "provenance" }, { "text": "Which entry fits a specific city?", "kind": "action" } ] } ] }, { "id": "conditions", "name": "Conditions", "description": "Ice conditions.", "findings": [ { "id": "conditions-finding", "name": "Conditions", "description": "Conditions.", "questions": [ { "text": "What ice conditions are required, and how does the association decide to hold the event?", "kind": "provenance" }, { "text": "Is the current status confirmed by the association?", "kind": "boundary" } ] } ] } ] }, { "id": "records", "name": "Records", "description": "Editions and winners.", "rationale": "Reference.", "layers": [ { "id": "editions", "name": "Editions", "description": "Editions.", "findings": [ { "id": "editions-finding", "name": "Editions", "description": "Editions.", "questions": [ { "text": "When was the event held, and who won each edition, according to official records?", "kind": "provenance" }, { "text": "Which entry fits a specific edition?", "kind": "action" } ] } ] }, { "id": "stories", "name": "Stories", "description": "Famous editions.", "findings": [ { "id": "stories-finding", "name": "Stories", "description": "Stories.", "questions": [ { "text": "Which editions are famous for extreme conditions or dramatic finishes?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] } ] }, { "id": "culture", "name": "Culture", "description": "Culture and participation.", "rationale": "Society.", "layers": [ { "id": "significance", "name": "Significance", "description": "Cultural significance.", "findings": [ { "id": "significance-finding", "name": "Significance", "description": "Significance.", "questions": [ { "text": "Why does the Elfstedentocht hold such significance in Dutch and Frisian culture?", "kind": "provenance" }, { "text": "Which entry fits Frisian culture?", "kind": "action" } ] } ] }, { "id": "participate", "name": "Participate", "description": "Participation.", "findings": [ { "id": "participate-finding", "name": "Participate", "description": "Participation.", "questions": [ { "text": "How can skaters become eligible to participate, and what alternatives exist in mild winters?", "kind": "provenance" }, { "text": "Which entry fits speed skating?", "kind": "action" } ] } ] } ] }, { "id": "learn", "name": "Learn", "description": "History and climate.", "rationale": "Education.", "layers": [ { "id": "history", "name": "History", "description": "History.", "findings": [ { "id": "history-finding", "name": "History", "description": "History.", "questions": [ { "text": "How did the event originate and develop since 1909?", "kind": "provenance" }, { "text": "Which misconceptions arise?", "kind": "provenance" } ] } ] }, { "id": "climate", "name": "Climate", "description": "Climate and the future.", "findings": [ { "id": "climate-finding", "name": "Climate", "description": "Climate.", "questions": [ { "text": "What do climate scientists say about the likelihood of future editions, with findings attributed?", "kind": "provenance" }, { "text": "Which findings are uncertain?", "kind": "boundary" } ] } ] } ] } ] }, "openQuestions": [ "Should each edition be a separate entry?", "How should the association be linked?", "How should climate effects be presented?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "event or period", "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 Elfstedentocht, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent explain the Elfstedentocht and its route and conditions, identify editions and winners with sources, describe its cultural significance and the conditions required, and support fans and visitors.", "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: Elfstedentocht 1985.", "1 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 29 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 Elfstedentocht, 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": [ "Not a thing to see. Recognised by when it happened and who was involved, on the account of somebody." ], "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": [ "Elfstedentocht 1985" ] } ], "standing": "Described in 29 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 1 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 Elfstedentocht from another, and a Elfstedentocht 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 Elfstedentocht, 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 Elfstedentocht, 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 Elfstedentocht 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 Elfstedentocht, 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 Elfstedentocht, 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 Elfstedentocht 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 Elfstedentocht 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 Elfstedentocht, 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 Elfstedentocht, 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 Elfstedentocht 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 Elfstedentocht from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a Elfstedentocht, 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 Elfstedentocht, 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 Elfstedentocht 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 Elfstedentocht 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 Elfstedentocht between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a Elfstedentocht, 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 Elfstedentocht, 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 Elfstedentocht 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 Elfstedentocht, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a Elfstedentocht 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 Elfstedentocht, 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 Elfstedentocht, 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 Elfstedentocht 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 Elfstedentocht 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 Elfstedentocht, 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 Elfstedentocht and what marks it done.", "questions": [ { "id": "steps-and-preconditions-q01", "text": "What identifies and describes a step of a Elfstedentocht, 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 Elfstedentocht, 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 Elfstedentocht 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 Elfstedentocht consumes and what it produces.", "findings": [ { "id": "inputs-and-outputs", "name": "Inputs, outputs and side effects", "description": "The resources a Elfstedentocht 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 Elfstedentocht, 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 Elfstedentocht, 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 Elfstedentocht is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "extent-and-dating", "name": "Temporal extent and dating", "description": "When Elfstedentocht began and ended, and who says so.", "rationale": "Dates for events are conventions held by historiographies that disagree, and a single confident date hides the disagreement.", "layers": [ { "id": "dating", "name": "Dating and calendar", "description": "Start, end, granularity and the calendar used.", "findings": [ { "id": "date-record", "name": "Dates, granularity and authority", "description": "What is dated, how precisely, and on whose account.", "questions": [ { "id": "date-record-q01", "text": "What start and end are conventionally given for Elfstedentocht, at what granularity, in which calendar?", "kind": "definition" }, { "id": "date-record-q02", "text": "Which accounts date it differently, and on what grounds?", "kind": "provenance" } ] } ] }, { "id": "membership-of-the-event", "name": "What counts as part of it", "description": "Sub-events included or excluded, and by whom.", "findings": [ { "id": "inclusion", "name": "Inclusion and exclusion", "description": "The episodes treated as inside the event and those left out.", "questions": [ { "id": "inclusion-q01", "text": "Which episodes are counted as part of Elfstedentocht, and which are treated as separate?", "kind": "boundary" }, { "id": "inclusion-q02", "text": "Whose framing is being followed in that inclusion, and who frames it otherwise?", "kind": "provenance" } ] } ] } ] }, { "id": "participants-and-consequence", "name": "Participants, causes and consequences", "description": "Who took part in Elfstedentocht and what is claimed to follow from it.", "rationale": "Causation around events is asserted rather than observed, so each claim needs the party asserting it.", "layers": [ { "id": "participants", "name": "Participants and roles", "description": "Parties involved and what each did.", "findings": [ { "id": "participant-record", "name": "Parties and their roles", "description": "Who is recorded as involved and in what capacity.", "questions": [ { "id": "participant-record-q01", "text": "Which parties took part in Elfstedentocht, in what roles, and on whose account?", "kind": "provenance" }, { "id": "participant-record-q02", "text": "Where do accounts disagree about who was involved?", "kind": "boundary" } ] } ] }, { "id": "consequences", "name": "Causes and consequences", "description": "What is claimed to have caused it and followed from it.", "findings": [ { "id": "causal-claims", "name": "Causal claims and who makes them", "description": "Antecedents and outcomes as attributed claims.", "questions": [ { "id": "causal-claims-q01", "text": "What causes and consequences are attributed to Elfstedentocht, and by whom?", "kind": "provenance" }, { "id": "causal-claims-q02", "text": "What would an agent need before treating such a claim as settled rather than contested?", "kind": "action" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a Elfstedentocht 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 Elfstedentocht and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a Elfstedentocht, 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 Elfstedentocht, 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 Elfstedentocht 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 Elfstedentocht is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a Elfstedentocht, 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 Elfstedentocht, 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 Elfstedentocht 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 } } } }