{ "model": { "rank": 1915, "code": "thing-q133780", "model_id": "vr.tr.plague", "name": "plague", "purpose": "Let an agent explain plague and its forms in general terms from WHO and CDC sources, describe transmission, treatment and control, present historical pandemics with attribution, and route suspected cases to health authorities.", "family": "Thing Registry", "category": "Information and virtual systems", "status": "research-draft", "kind": "thing", "plane": "INF", "domain": "INF.KNW", "industry": "", "version": "", "url": "/models/thing/q133780/", "tier": 2, "score": 122, "payload": { "layer": "wikidata", "aliases": [ "Sylvatic plague", "Urban plague", "pestis minor", "plague meningitis", "cutaneous plague", "bubonic plague", "pneumonic plague", "septicemic plague" ], "aliasCount": 8, "merged": 8, "knownIn": 122, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.plague-cognition", "source": { "dataset": "wikidata", "item": "Q133780", "url": "https://www.wikidata.org/wiki/Q133780", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-13T02:25:37Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 3, "engine": "claude" }, "metaModel": { "id": "THING-Q133780", "registryId": "vr.tr.plague", "name": "plague", "version": "0.2.0-wave.3", "entryKind": "thing", "family": "Thing Registry", "domain": [ "INF.KNW" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q133780/", "model": { "registry_id": "vr.tr.plague", "name": "plague", "purpose": "Let an agent explain plague and its forms in general terms from WHO and CDC sources, describe transmission, treatment and control, present historical pandemics with attribution, and route suspected cases to health authorities.", "definition": "An infectious disease caused by the bacterium Yersinia pestis, transmitted by fleas from rodents and between people, in bubonic form with swollen lymph nodes, septicaemic form and pneumonic form spread by droplets, with rarer presentations such as plague meningitis and cutaneous plague and a mild form called pestis minor; plague caused the Justinian pandemic, the Black Death and the third pandemic, persists in sylvatic rodent reservoirs on several continents with occasional urban outbreaks, and is treatable with antibiotics.", "what_it_is_for": "Not applicable; a disease.", "affordances": [ "explain forms and transmission", "relay treatment and control", "present history with attribution", "route suspected cases" ], "distinguishing_features": [ "Flea-borne zoonosis", "Three main forms", "Pandemic history", "Antibiotic treatable" ], "appearance": "Not a visible object; an acute febrile illness with buboes in the bubonic form.", "visual_identification": [ "Yersinia pestis infection", "Bubonic, septicaemic, pneumonic and rarer forms; sylvatic and urban plague", "The word plague is also used loosely for other epidemics; typhus and anthrax are different diseases" ], "physical_properties": [ { "quantity": "cases reported to WHO", "typical_range": "about 200-700", "unit": "per year", "note": "recent years" }, { "quantity": "untreated bubonic fatality", "typical_range": "about 30-60", "unit": "percent", "note": "" } ], "families_and_kinds": [ "bubonic plague", "septicaemic plague", "pneumonic plague", "plague meningitis, cutaneous plague and pestis minor", "sylvatic plague in wild rodents", "urban plague outbreaks", "historical pandemics: Justinian, Black Death, third pandemic" ], "related_models": [ { "relation": "is a kind of", "target": "yersiniosis", "why": "in registry terms" }, { "relation": "is a kind of", "target": "pandemic and epidemic-prone diseases", "why": "in registry terms" }, { "relation": "is caused by", "target": "Yersinia pestis", "why": "the bacterium" }, { "relation": "is transmitted by", "target": "flea", "why": "from rodents" } ], "identifiers": [ { "scheme": "ICD-11", "value_or_pattern": "1B93", "note": "plague" }, { "scheme": "MeSH", "value_or_pattern": "D010930", "note": "" } ], "standards_and_regulation": [ "WHO plague guidance and International Health Regulations", "Notifiable disease rules", "Biosafety rules for Yersinia pestis" ], "failure_modes_and_hazards": [ "Delayed treatment with high mortality", "Pneumonic spread", "Agents giving personal medical or laboratory detail", "Confusing plague with other epidemics" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "help", "name": "Help", "description": "Suspected cases first.", "rationale": "Safety.", "layers": [ { "id": "suspected", "name": "Suspected", "description": "Suspected cases.", "findings": [ { "id": "suspected-finding", "name": "Suspected", "description": "Suspected.", "questions": [ { "text": "What should be done if plague is suspected, per health authority guidance?", "kind": "action" }, { "text": "Is the user describing a possible case, which needs immediate contact with health services?", "kind": "boundary" } ] } ] }, { "id": "treatment", "name": "Treatment", "description": "Treatment.", "findings": [ { "id": "treatment-finding", "name": "Treatment", "description": "Treatment.", "questions": [ { "text": "How is plague diagnosed and treated with antibiotics, in general terms?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] } ] }, { "id": "understand", "name": "Understand", "description": "The disease.", "rationale": "Clinical.", "layers": [ { "id": "forms", "name": "Forms", "description": "Forms and transmission.", "findings": [ { "id": "forms-finding", "name": "Forms", "description": "Forms.", "questions": [ { "text": "What are the forms of plague, and how is each transmitted?", "kind": "definition" }, { "text": "Is the question about plague or another disease called plague loosely?", "kind": "boundary" } ] } ] }, { "id": "ecology", "name": "Ecology", "description": "Reservoirs and ecology.", "findings": [ { "id": "ecology-finding", "name": "Ecology", "description": "Ecology.", "questions": [ { "text": "Where does plague persist in sylvatic reservoirs, and how do urban outbreaks arise?", "kind": "provenance" }, { "text": "Which entry fits the specific region?", "kind": "action" } ] } ] } ] }, { "id": "control", "name": "Control", "description": "Prevention and control.", "rationale": "Public health.", "layers": [ { "id": "prevention", "name": "Prevention", "description": "Prevention.", "findings": [ { "id": "prevention-finding", "name": "Prevention", "description": "Prevention.", "questions": [ { "text": "How are plague outbreaks prevented and controlled through rodent and flea control and surveillance?", "kind": "provenance" }, { "text": "Which sources are cited?", "kind": "provenance" } ] } ] }, { "id": "outbreaks", "name": "Outbreaks", "description": "Recent outbreaks.", "findings": [ { "id": "outbreaks-finding", "name": "Outbreaks", "description": "Outbreaks.", "questions": [ { "text": "What recent outbreaks have occurred, such as in Madagascar, as reported?", "kind": "provenance" }, { "text": "Which entry fits the specific outbreak?", "kind": "action" } ] } ] } ] }, { "id": "history", "name": "History", "description": "History.", "rationale": "Attribution.", "layers": [ { "id": "pandemics", "name": "Pandemics", "description": "Historical pandemics.", "findings": [ { "id": "pandemics-finding", "name": "Pandemics", "description": "Pandemics.", "questions": [ { "text": "How do historians and geneticists describe the Justinian plague, the Black Death and the third pandemic?", "kind": "provenance" }, { "text": "Which entry fits the specific pandemic?", "kind": "action" } ] } ] }, { "id": "science", "name": "Science", "description": "Scientific history.", "findings": [ { "id": "science-finding", "name": "Science", "description": "Science.", "questions": [ { "text": "How were the bacterium and flea transmission discovered by Yersin, Kitasato and Simond?", "kind": "provenance" }, { "text": "Which entry fits the history of microbiology?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should the Black Death and pneumonic plague be separate primary entries?", "How should WHO guidance be linked?", "The registry entry has merged aliases naming forms and ecological settings; should they be split off?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "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 plague, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent explain plague and its forms in general terms from WHO and CDC sources, describe transmission, treatment and control, present historical pandemics with attribution, and route suspected cases to health authorities.", "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: Sylvatic plague, Urban plague, pestis minor, plague meningitis, cutaneous plague, bubonic plague, pneumonic plague, septicemic plague.", "8 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 122 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 plague, 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": [ "Sylvatic plague", "Urban plague", "pestis minor", "plague meningitis", "cutaneous plague", "bubonic plague", "pneumonic plague", "septicemic plague" ] } ], "standing": "Described in 122 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 8 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 plague from another, and a plague 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 plague, 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 plague, 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 plague 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 plague, 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 plague, 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 plague 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 plague 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 plague, 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 plague, 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 plague 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 plague from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a plague, 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 plague, 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 plague 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 plague 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 plague between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a plague, 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 plague, 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 plague 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 plague, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a plague 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 plague, 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 plague, 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 plague 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 plague 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 plague contains and in what form it is held.", "questions": [ { "id": "content-and-format-q01", "text": "What identifies and describes the content of a plague, 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 plague, 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 plague 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 plague and the period it survives.", "questions": [ { "id": "access-rules-q01", "text": "What identifies and describes access to a plague, 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 plague, 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 plague 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 plague 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 plague 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 plague 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 plague 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 plague 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 plague, 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 plague 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 plague and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a plague, 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 plague, 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 plague 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 plague is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a plague, 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 plague, 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 plague 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 } } } }