{ "model": { "rank": 669, "code": "thing-q84263196", "model_id": "vr.tr.covid-19", "name": "COVID-19", "purpose": "Let an agent give general, non-diagnostic information about COVID-19, urgent signs first, and route people to official public health guidance and clinicians.", "family": "Thing Registry", "category": "Activities and processes", "status": "research-draft", "kind": "thing", "plane": "ACT", "domain": "ACT.PRC", "industry": "", "version": "", "url": "/models/thing/q84263196/", "tier": 2, "score": 226, "payload": { "layer": "wikidata", "aliases": [ "long covid", "COVID-19-associated acute respiratory distress syndrome", "severe COVID-19 disease", "long COVID in children", "pediatric severe COVID-19", "adult COVID-19", "severe COVID-19", "COVID-19 disease in pregnancy", "Covid-19 in children" ], "aliasCount": 9, "merged": 9, "knownIn": 226, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q84263196", "url": "https://www.wikidata.org/wiki/Q84263196", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-11T08:36:00Z", "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": 1, "engine": "claude" }, "metaModel": { "id": "THING-Q84263196", "registryId": "vr.tr.covid-19", "name": "COVID-19", "version": "0.2.0-wave.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "ACT.PRC" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q84263196/", "model": { "registry_id": "vr.tr.covid-19", "name": "COVID-19", "purpose": "Let an agent give general, non-diagnostic information about COVID-19, urgent signs first, and route people to official public health guidance and clinicians.", "definition": "An infectious respiratory disease caused by the SARS-CoV-2 coronavirus, first identified in 2019 and responsible for a global pandemic; illness ranges from mild to severe and can have long-term effects (long COVID).", "what_it_is_for": "A disease addressed by public health, vaccination, testing and clinical care.", "affordances": [ "follow current official public health guidance", "seek urgent care for severe symptoms", "get vaccinated according to national advice", "find support for long COVID" ], "distinguishing_features": [ "Viral respiratory disease", "Wide range of severity", "Vaccines available", "Guidance changes over time" ], "appearance": "Not visible; symptoms may include fever, cough, fatigue, loss of smell and breathlessness.", "visual_identification": [ "Caused by SARS-CoV-2", "Diagnosed by tests such as PCR or antigen tests", "Long COVID is ongoing symptoms after infection" ], "physical_properties": [], "families_and_kinds": [ "mild and moderate COVID-19", "severe and critical COVID-19", "long COVID", "paediatric presentations" ], "related_models": [ { "relation": "is a kind of", "target": "viral disease and zoonosis", "why": "category" }, { "relation": "is caused by", "target": "SARS-CoV-2", "why": "virus" }, { "relation": "is prevented by", "target": "vaccination and infection control", "why": "prevention" }, { "relation": "is tracked by", "target": "WHO and public health agencies", "why": "authorities" } ], "identifiers": [ { "scheme": "ICD-11", "value_or_pattern": "RA01", "note": "COVID-19" } ], "standards_and_regulation": [ "WHO guidance", "National public health guidance", "International Health Regulations" ], "failure_modes_and_hazards": [ "Outdated guidance", "Misinformation", "Delaying care for severe symptoms", "Diagnosis or treatment advice by an agent" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "urgent", "name": "Urgent", "description": "Severe signs first.", "rationale": "Severe illness needs care.", "layers": [ { "id": "red-flags", "name": "Red flags", "description": "Emergency signs.", "findings": [ { "id": "red-flags-finding", "name": "Red flags", "description": "Emergency signs.", "questions": [ { "text": "Are there signs such as severe breathlessness, chest pain or confusion needing emergency care?", "kind": "boundary" }, { "text": "Who should be called?", "kind": "action" } ] } ] }, { "id": "risk", "name": "Risk groups", "description": "Higher risk.", "findings": [ { "id": "risk-finding", "name": "Risk", "description": "Higher-risk people.", "questions": [ { "text": "Is the person in a higher-risk group who should contact a clinician early?", "kind": "boundary" }, { "text": "What does official guidance say?", "kind": "provenance" } ] } ] } ] }, { "id": "guidance", "name": "Guidance", "description": "Official advice.", "rationale": "Guidance changes over time.", "layers": [ { "id": "current", "name": "Current", "description": "Public health advice.", "findings": [ { "id": "current-finding", "name": "Current", "description": "Current guidance.", "questions": [ { "text": "What does current official guidance say, and when was it updated?", "kind": "provenance" }, { "text": "Which authority issued it?", "kind": "provenance" } ] } ] }, { "id": "testing", "name": "Testing", "description": "Tests.", "findings": [ { "id": "testing-finding", "name": "Testing", "description": "Testing.", "questions": [ { "text": "How can someone get tested, if advised?", "kind": "action" }, { "text": "What do results mean in general terms?", "kind": "definition" } ] } ] } ] }, { "id": "prevention", "name": "Prevention", "description": "Vaccines and hygiene.", "rationale": "Prevention reduces harm.", "layers": [ { "id": "vaccination", "name": "Vaccination", "description": "Eligibility.", "findings": [ { "id": "vaccination-finding", "name": "Vaccination", "description": "Vaccination.", "questions": [ { "text": "Who is eligible for vaccination under national advice?", "kind": "provenance" }, { "text": "Where can it be booked?", "kind": "action" } ] } ] }, { "id": "infection-control", "name": "Infection control", "description": "Measures.", "findings": [ { "id": "infection-control-finding", "name": "Infection control", "description": "Infection control.", "questions": [ { "text": "Which measures do health agencies recommend currently?", "kind": "provenance" }, { "text": "In which settings?", "kind": "definition" } ] } ] } ] }, { "id": "long-covid", "name": "Long COVID", "description": "Ongoing symptoms.", "rationale": "Long COVID needs support.", "layers": [ { "id": "support", "name": "Support", "description": "Services.", "findings": [ { "id": "support-finding", "name": "Support", "description": "Long COVID support.", "questions": [ { "text": "Where can someone with ongoing symptoms get assessed and supported?", "kind": "action" }, { "text": "Are specialist services available?", "kind": "provenance" } ] } ] }, { "id": "misinformation", "name": "Misinformation", "description": "Claims.", "findings": [ { "id": "misinformation-finding", "name": "Misinformation", "description": "Misinformation.", "questions": [ { "text": "Is a claim about COVID-19 supported by reliable evidence?", "kind": "provenance" }, { "text": "Which source confirms or refutes it?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Should long COVID be a separate entry?", "How should current guidance be linked and dated?", "How should variant information be recorded?" ], "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 COVID-19, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent give general, non-diagnostic information about COVID-19, urgent signs first, and route people to official public health guidance and clinicians.", "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: long covid, COVID-19-associated acute respiratory distress syndrome, severe COVID-19 disease, long COVID in children, pediatric severe COVID-19, adult COVID-19, severe COVID-19, COVID-19 disease in pregnancy, Covid-19 in children.", "9 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 226 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 COVID-19, 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": [ "long covid", "COVID-19-associated acute respiratory distress syndrome", "severe COVID-19 disease", "long COVID in children", "pediatric severe COVID-19", "adult COVID-19", "severe COVID-19", "COVID-19 disease in pregnancy", "Covid-19 in children" ] } ], "standing": "Described in 226 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 9 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 COVID-19 from another, and a COVID-19 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 COVID-19, 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 COVID-19, 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 COVID-19 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 COVID-19, 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 COVID-19, 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 COVID-19 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 COVID-19 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 COVID-19, 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 COVID-19, 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 COVID-19 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 COVID-19 from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a COVID-19, 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 COVID-19, 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 COVID-19 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 COVID-19 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 COVID-19 between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a COVID-19, 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 COVID-19, 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 COVID-19 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 COVID-19, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a COVID-19 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 COVID-19, 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 COVID-19, 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 COVID-19 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 COVID-19 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 COVID-19, 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 COVID-19 and what marks it done.", "questions": [ { "id": "steps-and-preconditions-q01", "text": "What identifies and describes a step of a COVID-19, 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 COVID-19, 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 COVID-19 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 COVID-19 consumes and what it produces.", "findings": [ { "id": "inputs-and-outputs", "name": "Inputs, outputs and side effects", "description": "The resources a COVID-19 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 COVID-19, 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 COVID-19, 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 COVID-19 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 COVID-19 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 COVID-19 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 COVID-19 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 COVID-19 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 COVID-19?", "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 COVID-19?", "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 COVID-19 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 COVID-19 and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a COVID-19, 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 COVID-19, 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 COVID-19 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 COVID-19 is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a COVID-19, 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 COVID-19, 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 COVID-19 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 } } } }