{ "model": { "rank": 1569, "code": "thing-q12202", "model_id": "vr.tr.stroke", "name": "stroke", "purpose": "Let an agent recognise stroke warning signs and route to emergency care immediately, explain types, causes and prevention with attribution, describe treatment and rehabilitation in general terms, and support survivors and carers.", "family": "Thing Registry", "category": "Information and virtual systems", "status": "research-draft", "kind": "thing", "plane": "INF", "domain": "INF.KNW", "industry": "", "version": "", "url": "/models/thing/q12202/", "tier": 2, "score": 138, "payload": { "layer": "wikidata", "aliases": [ "brain hypoxia-ischemia", "secondary stroke", "ischemic stroke", "hemorrhagic stroke", "hemorrhagic transformation", "Rehabilitation Services for Stroke Patients in Africa", "cerebral venous sinus thrombosis", "pediatric stroke", "Microinfarct", "reversible ischemic neurologic deficit", "brain ischemia", "brain stem stroke syndrome", "Cerebellar stroke syndrome", "cerebrovascular trauma", "Embolic stroke of undetermined source", "silent stroke", "Benedikt syndrome", "post-operative stroke", "embolic stroke", "thrombotic stroke", "lateral sinus thrombosis", "sagittal sinus thrombosis", "cavernous sinus thrombosis", "brain infarction", "Ischemic cascade", "brain stem infarction", "pontine syndrome", "Claude's syndrome", "Medial pontine syndrome" ], "aliasCount": 29, "merged": 29, "knownIn": 138, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.stroke-2", "source": { "dataset": "wikidata", "item": "Q12202", "url": "https://www.wikidata.org/wiki/Q12202", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-11T22:19:13Z", "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-Q12202", "registryId": "vr.tr.stroke", "name": "stroke", "version": "0.2.0-wave.2", "entryKind": "thing", "family": "Thing Registry", "domain": [ "INF.KNW" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q12202/", "model": { "registry_id": "vr.tr.stroke", "name": "stroke", "purpose": "Let an agent recognise stroke warning signs and route to emergency care immediately, explain types, causes and prevention with attribution, describe treatment and rehabilitation in general terms, and support survivors and carers.", "definition": "A medical emergency in which blood supply to part of the brain is interrupted by a blocked vessel in ischaemic stroke or by bleeding in haemorrhagic stroke, causing sudden loss of brain function such as weakness, speech difficulty or vision loss, requiring immediate emergency care; stroke is a leading cause of death and disability, is often preventable, and is followed by rehabilitation.", "what_it_is_for": "An acute brain emergency.", "affordances": [ "recognise warning signs and route to emergency care", "explain types and causes", "describe prevention and treatment in general terms", "support survivors and carers" ], "distinguishing_features": [ "Sudden onset", "Time-critical", "Two main types", "Preventable risk factors" ], "appearance": "Sudden face drooping, arm weakness, speech difficulty and other sudden deficits.", "visual_identification": [ "Sudden focal neurological deficit", "Ischaemic or haemorrhagic", "A transient ischaemic attack resolves but is also urgent" ], "physical_properties": [], "families_and_kinds": [ "ischaemic stroke", "haemorrhagic stroke", "transient ischaemic attack", "secondary stroke", "stroke in young people and children" ], "related_models": [ { "relation": "is a kind of", "target": "cerebrovascular disease", "why": "category" }, { "relation": "is a kind of", "target": "neurological symptom", "why": "category" }, { "relation": "is related to", "target": "agnosia", "why": "a possible consequence" }, { "relation": "is related to", "target": "emergency department", "why": "acute care setting" } ], "identifiers": [], "standards_and_regulation": [ "Stroke clinical guidelines", "Emergency response protocols such as FAST", "Rehabilitation service standards" ], "failure_modes_and_hazards": [ "Delay in calling emergency services", "Agents giving medical advice instead of routing", "Missed transient ischaemic attacks" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "emergency", "name": "Emergency", "description": "Act immediately.", "rationale": "Time is brain.", "layers": [ { "id": "signs", "name": "Signs", "description": "Recognising stroke.", "findings": [ { "id": "signs-finding", "name": "Signs", "description": "Signs.", "questions": [ { "text": "Are sudden face drooping, arm weakness, speech difficulty or other sudden deficits present now?", "kind": "boundary" }, { "text": "Should emergency services be called immediately, and what should be done while waiting?", "kind": "action" } ] } ] }, { "id": "tia", "name": "TIA", "description": "Transient symptoms.", "findings": [ { "id": "tia-finding", "name": "TIA", "description": "Transient symptoms.", "questions": [ { "text": "Have stroke-like symptoms resolved, which still requires urgent assessment, according to guidance?", "kind": "boundary" }, { "text": "Which service should be contacted here?", "kind": "provenance" } ] } ] } ] }, { "id": "understand", "name": "Understand", "description": "Types and causes.", "rationale": "General information.", "layers": [ { "id": "types", "name": "Types", "description": "Ischaemic and haemorrhagic.", "findings": [ { "id": "types-finding", "name": "Types", "description": "Types.", "questions": [ { "text": "How do ischaemic and haemorrhagic strokes differ in cause and treatment, in general terms?", "kind": "definition" }, { "text": "What is haemorrhagic transformation?", "kind": "definition" } ] } ] }, { "id": "risk", "name": "Risk", "description": "Risk factors and prevention.", "findings": [ { "id": "risk-finding", "name": "Risk", "description": "Prevention.", "questions": [ { "text": "What are the main risk factors for stroke, and what do health bodies advise for prevention?", "kind": "provenance" }, { "text": "Is the user asking for individual medical advice?", "kind": "boundary" } ] } ] } ] }, { "id": "recover", "name": "Recover", "description": "Treatment and rehabilitation.", "rationale": "Attribution.", "layers": [ { "id": "treatment", "name": "Treatment", "description": "Acute treatment.", "findings": [ { "id": "treatment-finding", "name": "Treatment", "description": "Treatment.", "questions": [ { "text": "What acute treatments exist, such as thrombolysis and thrombectomy, in general terms, and why does timing matter?", "kind": "provenance" }, { "text": "How does stroke unit care improve outcomes?", "kind": "provenance" } ] } ] }, { "id": "rehab", "name": "Rehab", "description": "Rehabilitation and support.", "findings": [ { "id": "rehab-finding", "name": "Rehab", "description": "Rehabilitation.", "questions": [ { "text": "What does stroke rehabilitation involve, and which services and organisations support survivors and carers here?", "kind": "provenance" }, { "text": "What are documented gaps in rehabilitation access, for example in Africa?", "kind": "provenance" } ] } ] } ] }, { "id": "learn", "name": "Learn", "description": "Research and teaching.", "rationale": "Context.", "layers": [ { "id": "research", "name": "Research", "description": "Research.", "findings": [ { "id": "research-finding", "name": "Research", "description": "Research.", "questions": [ { "text": "What are current research directions in stroke treatment and recovery?", "kind": "provenance" }, { "text": "How can people participate in research?", "kind": "provenance" } ] } ] }, { "id": "teach", "name": "Teach", "description": "Public education.", "findings": [ { "id": "teach-finding", "name": "Teach", "description": "Education.", "questions": [ { "text": "How can stroke recognition be taught to the public?", "kind": "action" }, { "text": "Which misconceptions arise?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Should transient ischaemic attack be a separate entry?", "How should guidelines be linked?", "How should rehabilitation services be localised?" ], "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 stroke, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent recognise stroke warning signs and route to emergency care immediately, explain types, causes and prevention with attribution, describe treatment and rehabilitation in general terms, and support survivors and carers.", "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: brain hypoxia-ischemia, secondary stroke, ischemic stroke, hemorrhagic stroke, hemorrhagic transformation, Rehabilitation Services for Stroke Patients in Africa, cerebral venous sinus thrombosis, pediatric stroke, Microinfarct, reversible ischemic neurologic deficit, brain ischemia, brain stem stroke syndrome.", "29 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 138 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 stroke, 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": [ "brain hypoxia-ischemia", "secondary stroke", "ischemic stroke", "hemorrhagic stroke", "hemorrhagic transformation", "Rehabilitation Services for Stroke Patients in Africa", "cerebral venous sinus thrombosis", "pediatric stroke", "Microinfarct", "reversible ischemic neurologic deficit", "brain ischemia", "brain stem stroke syndrome" ] } ], "standing": "Described in 138 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 29 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 stroke from another, and a stroke 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 stroke, 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 stroke, 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 stroke 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 stroke, 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 stroke, 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 stroke 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 stroke 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 stroke, 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 stroke, 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 stroke 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 stroke from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a stroke, 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 stroke, 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 stroke 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 stroke 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 stroke between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a stroke, 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 stroke, 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 stroke 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 stroke, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a stroke 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 stroke, 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 stroke, 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 stroke 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 stroke 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 stroke contains and in what form it is held.", "questions": [ { "id": "content-and-format-q01", "text": "What identifies and describes the content of a stroke, 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 stroke, 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 stroke 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 stroke and the period it survives.", "questions": [ { "id": "access-rules-q01", "text": "What identifies and describes access to a stroke, 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 stroke, 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 stroke 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 stroke 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 stroke 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 stroke 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 stroke 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 stroke 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 stroke, 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 stroke 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 stroke and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a stroke, 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 stroke, 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 stroke 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 stroke is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a stroke, 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 stroke, 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 stroke 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 } } } }