{ "model": { "rank": 7435, "code": "thing-q653971", "model_id": "vr.tr.indigestion", "name": "indigestion", "purpose": "Let an agent explain indigestion and its causes, relay assessment, warning signs and general management from gastroenterology guidelines, describe functional dyspepsia and historical terms, and distinguish indigestion from heartburn, gastritis, ulcer and cardiac chest pain, routing warning signs and possible heart symptoms first.", "family": "Thing Registry", "category": "Information and virtual systems", "status": "research-draft", "kind": "thing", "plane": "INF", "domain": "INF.KNW", "industry": "", "version": "", "url": "/models/thing/q653971/", "tier": 2, "score": 55, "payload": { "layer": "wikidata", "aliases": [ "fermentative dyspepsia", "functional dyspepsia", "atonic dyspepsia", "ructus" ], "aliasCount": 4, "merged": 4, "knownIn": 55, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.indigestion", "source": { "dataset": "wikidata", "item": "Q653971", "url": "https://www.wikidata.org/wiki/Q653971", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-13T18:31:19Z", "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-Q653971", "registryId": "vr.tr.indigestion", "name": "indigestion", "version": "0.2.0-wave.4", "entryKind": "thing", "family": "Thing Registry", "domain": [ "INF.KNW" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q653971/", "model": { "registry_id": "vr.tr.indigestion", "name": "indigestion", "purpose": "Let an agent explain indigestion and its causes, relay assessment, warning signs and general management from gastroenterology guidelines, describe functional dyspepsia and historical terms, and distinguish indigestion from heartburn, gastritis, ulcer and cardiac chest pain, routing warning signs and possible heart symptoms first.", "definition": "Discomfort or pain in the upper abdomen, also called dyspepsia, often with bloating, early fullness, nausea or belching, the last formerly termed ructus, arising from causes such as peptic ulcer, gastro-oesophageal reflux, medicines and Helicobacter pylori infection, or as functional dyspepsia without an identifiable structural cause; older terms such as fermentative and atonic dyspepsia are historical classifications. Warning signs such as vomiting blood, black stools, weight loss or difficulty swallowing need prompt medical care. The model routes people to clinicians.", "what_it_is_for": "Not applicable; a symptom complex.", "affordances": [ "route warning signs first", "explain causes and kinds", "relay assessment and management", "distinguish related conditions" ], "distinguishing_features": [ "Upper abdominal", "Common", "Functional or organic", "Warning signs matter" ], "appearance": "Not a visible object; an upper abdominal discomfort.", "visual_identification": [ "Upper abdominal discomfort after eating", "Functional dyspepsia, fermentative and atonic dyspepsia as historical terms, ructus or belching", "Heartburn is burning behind the breastbone; gastritis is inflammation; ulcers are lesions; cardiac pain can mimic indigestion" ], "physical_properties": [ { "quantity": "prevalence of dyspepsia", "typical_range": "about 20", "unit": "percent", "note": "global estimates" }, { "quantity": "Rome IV criteria", "typical_range": "define functional dyspepsia", "unit": "note", "note": "2016" }, { "quantity": "common cause", "typical_range": "Helicobacter pylori and NSAIDs among others", "unit": "note", "note": "" } ], "families_and_kinds": [ "functional dyspepsia including postprandial distress and epigastric pain syndromes", "dyspepsia from peptic ulcer disease", "reflux-related dyspepsia", "drug-induced dyspepsia", "historical terms such as fermentative and atonic dyspepsia" ], "related_models": [ { "relation": "is a kind of", "target": "digestive sign", "why": "in registry terms" }, { "relation": "is a kind of", "target": "functional gastric disease", "why": "in registry terms" }, { "relation": "can be caused by", "target": "Helicobacter pylori", "why": "" }, { "relation": "is contrasted with", "target": "heartburn", "why": "" } ], "identifiers": [ { "scheme": "ICD-10", "value_or_pattern": "K30", "note": "functional dyspepsia" }, { "scheme": "MeSH", "value_or_pattern": "D004415", "note": "Dyspepsia" } ], "standards_and_regulation": [ "Gastroenterology guidelines such as ACG, CAG and NICE", "Rome IV criteria" ], "failure_modes_and_hazards": [ "Missing heart attack presenting as indigestion", "Missing red flags such as bleeding or weight loss", "Agents giving personal medical advice" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "understand", "name": "Understand", "description": "What indigestion is.", "rationale": "Clinical.", "layers": [ { "id": "definition", "name": "Definition", "description": "Definition.", "findings": [ { "id": "definition-finding", "name": "Definition", "description": "Definition.", "questions": [ { "text": "What is indigestion, and how does it differ from heartburn, gastritis, ulcer and cardiac chest pain?", "kind": "definition" }, { "text": "Does the user have chest pain, breathlessness, vomiting blood, black stools or trouble swallowing, which needs urgent or emergency care?", "kind": "boundary" } ] } ] }, { "id": "kinds", "name": "Kinds", "description": "Kinds and terms.", "findings": [ { "id": "kinds-finding", "name": "Kinds", "description": "Kinds.", "questions": [ { "text": "What are functional dyspepsia, organic causes and historical terms such as fermentative dyspepsia and ructus?", "kind": "definition" }, { "text": "Which entry fits the specific kind?", "kind": "action" } ] } ] } ] }, { "id": "causes", "name": "Causes", "description": "Causes.", "rationale": "Clinical.", "layers": [ { "id": "organic", "name": "Organic", "description": "Organic causes.", "findings": [ { "id": "organic-finding", "name": "Organic", "description": "Organic.", "questions": [ { "text": "How do ulcers, reflux, H. pylori and medicines cause dyspepsia?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] }, { "id": "functional", "name": "Functional", "description": "Functional dyspepsia.", "findings": [ { "id": "functional-finding", "name": "Functional", "description": "Functional.", "questions": [ { "text": "What is known about functional dyspepsia and the gut-brain interaction, as research reports?", "kind": "provenance" }, { "text": "Which sources are cited?", "kind": "provenance" } ] } ] } ] }, { "id": "care", "name": "Care", "description": "Assessment and management.", "rationale": "Clinical.", "layers": [ { "id": "assessment", "name": "Assessment", "description": "Assessment.", "findings": [ { "id": "assessment-finding", "name": "Assessment", "description": "Assessment.", "questions": [ { "text": "How do guidelines recommend assessing dyspepsia, including H. pylori testing and endoscopy criteria?", "kind": "provenance" }, { "text": "Which entry fits upper endoscopy?", "kind": "action" } ] } ] }, { "id": "management", "name": "Management", "description": "Management.", "findings": [ { "id": "management-finding", "name": "Management", "description": "Management.", "questions": [ { "text": "What general management approaches do guidelines describe?", "kind": "provenance" }, { "text": "Which entry fits proton pump inhibitor?", "kind": "action" } ] } ] } ] }, { "id": "context", "name": "Context", "description": "History and daily life.", "rationale": "Context.", "layers": [ { "id": "history", "name": "History", "description": "History.", "findings": [ { "id": "history-finding", "name": "History", "description": "History.", "questions": [ { "text": "How have ideas about dyspepsia changed since the 19th century?", "kind": "provenance" }, { "text": "Which entry fits the history of gastroenterology?", "kind": "action" } ] } ] }, { "id": "lifestyle", "name": "Lifestyle", "description": "Daily life.", "findings": [ { "id": "lifestyle-finding", "name": "Lifestyle", "description": "Lifestyle.", "questions": [ { "text": "What general lifestyle factors do health services mention?", "kind": "provenance" }, { "text": "Which entry fits digestive health?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should functional dyspepsia be a separate primary entry?", "How should gastroenterology sources be linked?", "The registry aliases fermentative and atonic dyspepsia are historical terms; how should they be marked?" ], "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 indigestion, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent explain indigestion and its causes, relay assessment, warning signs and general management from gastroenterology guidelines, describe functional dyspepsia and historical terms, and distinguish indigestion from heartburn, gastritis, ulcer and cardiac chest pain, routing warning signs and possible heart symptoms first.", "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: fermentative dyspepsia, functional dyspepsia, atonic dyspepsia, ructus.", "4 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 55 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 indigestion, 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": [ "fermentative dyspepsia", "functional dyspepsia", "atonic dyspepsia", "ructus" ] } ], "standing": "Described in 55 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 4 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 indigestion from another, and a indigestion 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 indigestion, 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 indigestion, 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 indigestion 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 indigestion, 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 indigestion, 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 indigestion 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 indigestion 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 indigestion, 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 indigestion, 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 indigestion 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 indigestion from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a indigestion, 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 indigestion, 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 indigestion 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 indigestion 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 indigestion between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a indigestion, 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 indigestion, 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 indigestion 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 indigestion, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a indigestion 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 indigestion, 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 indigestion, 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 indigestion 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 indigestion 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 indigestion contains and in what form it is held.", "questions": [ { "id": "content-and-format-q01", "text": "What identifies and describes the content of a indigestion, 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 indigestion, 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 indigestion 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 indigestion and the period it survives.", "questions": [ { "id": "access-rules-q01", "text": "What identifies and describes access to a indigestion, 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 indigestion, 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 indigestion 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 indigestion 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 indigestion 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 indigestion 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 indigestion 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 indigestion 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 indigestion, 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 indigestion 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 indigestion and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a indigestion, 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 indigestion, 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 indigestion 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 indigestion is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a indigestion, 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 indigestion, 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 indigestion 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 } } } }