{ "model": { "rank": 4918, "code": "thing-q194290", "model_id": "vr.tr.dehydration", "name": "dehydration", "purpose": "Let an agent explain dehydration in general terms, relay causes, types, signs, prevention and oral rehydration from WHO and clinical sources, route severe dehydration to urgent care, describe the named forms and historical terms, and distinguish dehydration from hypovolaemia, heat stroke, overhydration and dehydration in chemistry.", "family": "Thing Registry", "category": "Information and virtual systems", "status": "research-draft", "kind": "thing", "plane": "INF", "domain": "INF.KNW", "industry": "", "version": "", "url": "/models/thing/q194290/", "tier": 2, "score": 71, "payload": { "layer": "wikidata", "aliases": [ "sweating-related dehydration", "hypotonic dehydration", "hypertonic dehydration", "isotonic dehydration", "exsiccosis", "Infant toxicosis", "terminal dehydration", "extracellular dehydration", "intracellular dehydration" ], "aliasCount": 9, "merged": 9, "knownIn": 71, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.dehydration", "source": { "dataset": "wikidata", "item": "Q194290", "url": "https://www.wikidata.org/wiki/Q194290", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-14T00:17:13Z", "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": 4, "engine": "claude" }, "metaModel": { "id": "THING-Q194290", "registryId": "vr.tr.dehydration", "name": "dehydration", "version": "0.2.0-wave.4", "entryKind": "thing", "family": "Thing Registry", "domain": [ "INF.KNW" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q194290/", "model": { "registry_id": "vr.tr.dehydration", "name": "dehydration", "purpose": "Let an agent explain dehydration in general terms, relay causes, types, signs, prevention and oral rehydration from WHO and clinical sources, route severe dehydration to urgent care, describe the named forms and historical terms, and distinguish dehydration from hypovolaemia, heat stroke, overhydration and dehydration in chemistry.", "definition": "A deficit of total body water, with or without sodium imbalance, caused by losses from sweating, vomiting, diarrhoea, fever, burns or diuretics, or by inadequate intake, classified as isotonic, hypertonic with raised sodium or hypotonic with low sodium dehydration; exsiccosis is an older term, and infant toxicosis is a historical term for severe dehydration with toxic symptoms in infants with diarrhoea. Signs include thirst, dry mouth, dark urine, dizziness and, in severe cases, confusion, rapid heartbeat and low blood pressure; oral rehydration solution, a WHO-recommended treatment, has saved millions of lives. Infants, older adults and people with severe diarrhoea are at higher risk, and signs of severe dehydration need urgent medical care.", "what_it_is_for": "Not applicable; a body fluid deficit.", "affordances": [ "explain causes and types", "relay signs and oral rehydration", "describe named forms", "route severe dehydration" ], "distinguishing_features": [ "Water deficit", "Sodium-based types", "High-risk groups", "Treatable with ORS" ], "appearance": "Dry lips, sunken eyes, reduced tears and dark urine; in infants a sunken soft spot.", "visual_identification": [ "Deficit of body water", "Sweating-related dehydration, hypotonic dehydration, hypertonic dehydration, isotonic dehydration, exsiccosis, infant toxicosis", "Hypovolaemia is low blood volume; heat stroke is overheating; overhydration is excess water; chemical dehydration removes water from compounds" ], "physical_properties": [ { "quantity": "WHO low-osmolarity ORS", "typical_range": "2002", "unit": "year", "note": "formula update" }, { "quantity": "ORS described as major medical advance", "typical_range": "1978", "unit": "note", "note": "The Lancet editorial, attributed" }, { "quantity": "severe dehydration fluid loss", "typical_range": "more than about 10 percent of body weight in children", "unit": "note", "note": "clinical scales vary" } ], "families_and_kinds": [ "isotonic dehydration", "hypertonic dehydration", "hypotonic dehydration", "exertional sweating dehydration", "infant diarrhoeal dehydration" ], "related_models": [ { "relation": "is a kind of", "target": "nutrition, metabolism, and development symptom", "why": "in registry terms" }, { "relation": "is treated with", "target": "oral rehydration therapy", "why": "" }, { "relation": "can be caused by", "target": "diarrhea", "why": "" }, { "relation": "is contrasted with", "target": "heat stroke", "why": "" } ], "identifiers": [], "standards_and_regulation": [ "WHO diarrhoea treatment guidelines", "Workplace heat stress rules" ], "failure_modes_and_hazards": [ "Missing severe dehydration in infants and older adults", "Using plain water alone for severe diarrhoea losses", "Diagnosing individuals" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "understand", "name": "Understand", "description": "What dehydration is.", "rationale": "Science.", "layers": [ { "id": "definition", "name": "Definition", "description": "Definition.", "findings": [ { "id": "definition-finding", "name": "Definition", "description": "Definition.", "questions": [ { "text": "Is someone very drowsy or confused, not passing urine, or an infant with sunken fontanelle and no tears, in which case seek urgent medical care?", "kind": "boundary" }, { "text": "What is dehydration, and how does it differ from hypovolaemia, heat stroke, overhydration and chemical dehydration?", "kind": "definition" } ] } ] }, { "id": "forms", "name": "Forms", "description": "Named forms.", "findings": [ { "id": "forms-finding", "name": "Forms", "description": "Forms.", "questions": [ { "text": "What are sweating-related, hypotonic, hypertonic and isotonic dehydration, exsiccosis and infant toxicosis?", "kind": "definition" }, { "text": "Which entry fits the specific form?", "kind": "action" } ] } ] } ] }, { "id": "physiology", "name": "Physiology", "description": "Physiology.", "rationale": "Science.", "layers": [ { "id": "sodium", "name": "Sodium", "description": "Sodium balance.", "findings": [ { "id": "sodium-finding", "name": "Sodium", "description": "Sodium.", "questions": [ { "text": "Why do hypertonic and hypotonic dehydration affect the brain differently?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] }, { "id": "signs", "name": "Signs", "description": "Clinical signs.", "findings": [ { "id": "signs-finding", "name": "Signs", "description": "Signs.", "questions": [ { "text": "Which signs do clinical scales use to grade dehydration in children?", "kind": "measurement" }, { "text": "Which sources are cited?", "kind": "provenance" } ] } ] } ] }, { "id": "treatment", "name": "Treatment", "description": "Rehydration.", "rationale": "Regulation.", "layers": [ { "id": "ors", "name": "ORS", "description": "Oral rehydration.", "findings": [ { "id": "ors-finding", "name": "ORS", "description": "ORS.", "questions": [ { "text": "How does oral rehydration solution work, and when is it recommended, in general terms?", "kind": "provenance" }, { "text": "Which entry fits oral rehydration therapy?", "kind": "action" } ] } ] }, { "id": "iv", "name": "IV fluids", "description": "Intravenous fluids.", "findings": [ { "id": "iv-finding", "name": "IV fluids", "description": "IV fluids.", "questions": [ { "text": "When do clinicians use intravenous fluids, in general terms?", "kind": "provenance" }, { "text": "Which entry fits intravenous therapy?", "kind": "action" } ] } ] } ] }, { "id": "context", "name": "Context", "description": "Prevention.", "rationale": "Attribution.", "layers": [ { "id": "heat", "name": "Heat", "description": "Heat and exercise.", "findings": [ { "id": "heat-finding", "name": "Heat", "description": "Heat.", "questions": [ { "text": "What do health agencies advise about fluids in heat and exercise, and what is debated about drinking to thirst, with views attributed?", "kind": "provenance" }, { "text": "Is the presentation neutral and attributed?", "kind": "boundary" } ] } ] }, { "id": "elderly", "name": "Older adults", "description": "Older adults.", "findings": [ { "id": "elderly-finding", "name": "Older adults", "description": "Older adults.", "questions": [ { "text": "Why are older adults at higher risk of dehydration?", "kind": "provenance" }, { "text": "Which entry fits geriatric medicine?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should infant toxicosis be marked as a historical term?", "How should WHO ORS guidance be linked?", "Should dehydration types be separate entries?" ], "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 dehydration, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent explain dehydration in general terms, relay causes, types, signs, prevention and oral rehydration from WHO and clinical sources, route severe dehydration to urgent care, describe the named forms and historical terms, and distinguish dehydration from hypovolaemia, heat stroke, overhydration and dehydration in chemistry.", "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: sweating-related dehydration, hypotonic dehydration, hypertonic dehydration, isotonic dehydration, exsiccosis, Infant toxicosis, terminal dehydration, extracellular dehydration, intracellular dehydration.", "9 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 71 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 dehydration, 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": [ "sweating-related dehydration", "hypotonic dehydration", "hypertonic dehydration", "isotonic dehydration", "exsiccosis", "Infant toxicosis", "terminal dehydration", "extracellular dehydration", "intracellular dehydration" ] } ], "standing": "Described in 71 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 dehydration from another, and a dehydration 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 dehydration, 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 dehydration, 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 dehydration 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 dehydration, 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 dehydration, 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 dehydration 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 dehydration 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 dehydration, 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 dehydration, 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 dehydration 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 dehydration from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a dehydration, 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 dehydration, 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 dehydration 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 dehydration 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 dehydration between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a dehydration, 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 dehydration, 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 dehydration 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 dehydration, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a dehydration 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 dehydration, 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 dehydration, 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 dehydration 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 dehydration 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 dehydration contains and in what form it is held.", "questions": [ { "id": "content-and-format-q01", "text": "What identifies and describes the content of a dehydration, 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 dehydration, 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 dehydration 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 dehydration and the period it survives.", "questions": [ { "id": "access-rules-q01", "text": "What identifies and describes access to a dehydration, 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 dehydration, 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 dehydration 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 dehydration 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 dehydration 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 dehydration 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 dehydration 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 dehydration 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 dehydration, 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 dehydration 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 dehydration and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a dehydration, 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 dehydration, 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 dehydration 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 dehydration is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a dehydration, 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 dehydration, 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 dehydration 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 } } } }