{ "model": { "rank": 2165, "code": "thing-q30953", "model_id": "vr.tr.dengue-fever", "name": "dengue fever", "purpose": "Enable an AI agent to recognise a possible dengue fever episode, track diagnostic confidence and clinical progression, and support timely clinician-directed monitoring, escalation and recovery assessment.", "family": "Thing Registry", "category": "Activities and processes", "status": "research-draft", "kind": "thing", "plane": "ACT", "domain": "ACT.ACT", "industry": "", "version": "", "url": "/models/thing/q30953/", "tier": 2, "score": 113, "payload": { "layer": "wikidata", "aliases": [ "asymptomatic dengue", "dengue hemorrhagic fever" ], "aliasCount": 2, "merged": 2, "knownIn": 113, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q30953", "url": "https://www.wikidata.org/wiki/Q30953", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T10:14:27Z", "providers": [ "Codex", "Grok" ], "missingProviders": [], "pass": 2, "cost": { "grok": { "usd": 0.00229024, "turns": 1, "seconds": 18, "error": null }, "codex": { "seconds": 99.5, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07b5b-2dff-7413-af6b-455d984d97d8\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: dengue fever\nRegistry id: vr.tr.dengue-fever\nPlane / domain: ACT / ACT.ACT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n" } } }, "metaModel": { "id": "THING-Q30953", "registryId": "vr.tr.dengue-fever", "name": "dengue fever", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "ACT.ACT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q30953/", "model": { "registry_id": "vr.tr.dengue-fever", "name": "dengue fever", "purpose": "Enable an AI agent to recognise a possible dengue fever episode, track diagnostic confidence and clinical progression, and support timely clinician-directed monitoring, escalation and recovery assessment.", "definition": "Dengue fever is an acute mosquito-borne viral disease caused by any of four closely related dengue virus serotypes (DENV-1-4), typically presenting as a self-limited febrile illness that can progress to plasma-leakage dengue or severe dengue.", "scope_statement": "This model owns the evidence, evolving state and action constraints of a symptomatic dengue episode under registry entry vr.tr.dengue-fever, including progression to severe dengue; it links to patient, pathogen, diagnostic procedure and outbreak models without owning them.", "in_scope": [ "Episode recognition, exposure plausibility and diagnostic uncertainty", "Symptom chronology, defervescence and clinical phase", "Warning signs, plasma leakage, bleeding and organ involvement", "Dengue-relevant host factors and serial clinical measurements", "Care escalation, supportive-care constraints and response", "Episode outcome and links to transmission prevention and reporting" ], "out_of_scope": [ "Dengue virus taxonomy, genome and laboratory strain management", "Aedes mosquito biology and vector-control programme operations", "Population outbreak forecasting and surveillance-system administration", "The patient's complete longitudinal health record", "Vaccine product specifications and population immunisation policy", "Independent models of malaria, chikungunya, Zika and other differential diagnoses" ], "distinguishing_features": [ "Require dengue-specific evidence to distinguish confirmed infection from a compatible febrile syndrome: a positive NAAT or NS1 antigen result supports acute infection, whereas isolated IgM supports presumptive recent infection. [CDC testing guidance](https://www.cdc.gov/dengue/hcp/diagnosis-testing/index.html)", "Interpret negative tests against specimen timing and assay type; a negative NAAT or NS1 result alone does not exclude dengue. [CDC testing guidance](https://www.cdc.gov/dengue/hcp/diagnosis-testing/index.html)", "Treat fever, retro-orbital pain, aches and rash as compatible but insufficiently specific; require an explicit differential assessment rather than distinguishing dengue from other febrile illnesses by symptoms alone. [CDC clinical features](https://www.cdc.gov/dengue/hcp/clinical-signs/index.html)", "Distinguish falling temperature from established recovery: dengue's critical phase can begin around defervescence, so the episode needs concurrent circulation and leakage assessment. [CDC clinical features](https://www.cdc.gov/dengue/hcp/clinical-signs/index.html)", "Distinguish severe dengue from uncomplicated dengue or an isolated low platelet count by assessing severe plasma leakage, severe bleeding or severe organ impairment. [WHO outbreak toolbox](https://www.who.int/emergencies/outbreak-toolkit/disease-outbreak-toolboxes/dengue-outbreak-toolbox)" ], "characteristics": [ { "name": "Diagnostic confidence", "kind": "state", "unit_or_values": "suspected | presumptive | confirmed | excluded | unresolved; named criteria and assessment time", "why_it_matters": "Separates working clinical assessment from laboratory confirmation and surveillance classification." }, { "name": "Illness timing", "kind": "measurement", "unit_or_values": "Days since symptom onset; hours since defervescence; uncertainty interval", "why_it_matters": "Makes test interpretation and changing clinical risk interpretable in time." }, { "name": "Clinical phase", "kind": "state", "unit_or_values": "febrile | critical | recovery | indeterminate", "why_it_matters": "Prevents fever resolution from automatically closing the episode." }, { "name": "Severity classification", "kind": "state", "unit_or_values": "without warning signs | with warning signs | severe dengue | not yet classifiable; framework and timestamp", "why_it_matters": "Supports explicit reassessment and an auditable escalation rationale." }, { "name": "Warning-sign assessment", "kind": "category", "unit_or_values": "For each sign: present | absent | not assessed | uncertain", "why_it_matters": "Prevents missing observations from being interpreted as reassuring findings." }, { "name": "Haematocrit trajectory", "kind": "measurement", "unit_or_values": "Percent or L/L; baseline, collection times and fluid-treatment context", "why_it_matters": "Allows changes to be interpreted alongside leakage, bleeding and treatment." }, { "name": "Platelet trajectory", "kind": "measurement", "unit_or_values": "10^9/L with collection times", "why_it_matters": "Preserves the trend without treating a single count as the complete severity assessment." }, { "name": "Circulatory and fluid status", "kind": "measurement", "unit_or_values": "Blood pressure and pulse pressure in mmHg; heart rate in beats/min; urine output in mL/kg/hour; intake and output in mL over a stated interval", "why_it_matters": "Supports assessment of perfusion and response to clinician-directed fluid management." }, { "name": "Dengue test evidence", "kind": "relation", "unit_or_values": "Linked specimen, assay, result, collection time, laboratory and interpretation", "why_it_matters": "Keeps diagnostic conclusions traceable to the actual test and illness day." }, { "name": "Exposure and immune-history context", "kind": "relation", "unit_or_values": "Dated location history, prior dengue evidence, relevant flavivirus infection or vaccination history; unknown permitted", "why_it_matters": "Supports exposure assessment, serology interpretation and clinician review of risk." }, { "name": "Care disposition", "kind": "state", "unit_or_values": "outpatient follow-up | observation | inpatient care | emergency escalation | discharged | unresolved", "why_it_matters": "Connects the current assessment to the responsible care team and next reassessment." } ], "affordances": [ "Assemble an evidence-linked suspected dengue episode without presenting suspicion as confirmation.", "Identify missing or poorly timed diagnostic evidence for clinician review.", "Compare serial observations and flag new warning signs or deterioration for urgent clinical assessment.", "Present phase, severity, host factors and follow-up feasibility together to support care disposition.", "Check proposed supportive care against an identified clinical protocol and recorded patient constraints.", "Prepare recovery, mosquito-bite prevention and reporting handoffs for authorised review." ] }, "sources": [ { "id": "who-dengue", "title": "Dengue and severe dengue", "url": "https://www.who.int/news-room/fact-sheets/detail/dengue-and-severe-dengue", "what_it_supports": "WHO clinical classification, transmission, and public-health definition", "url_status": "live" } ], "structure": { "bundles": [ { "id": "dengue-recognition-and-exposure", "name": "Dengue recognition and exposure", "description": "Establish why this febrile episode is being considered dengue and what competing explanations remain.", "rationale": "Dengue recognition requires connecting a nonspecific illness to plausible exposure without turning that connection into proof.", "layers": [ { "id": "febrile-presentation", "name": "Febrile presentation", "description": "Record the observed illness pattern and its attribution.", "findings": [ { "id": "compatible-dengue-syndrome", "name": "Compatible dengue syndrome", "description": "Preserve reported and observed fever, pain, rash and other manifestations with onset times and observer provenance.", "questions": [ { "text": "Which manifestations support considering dengue, when did they begin, and which were reported rather than directly observed?", "kind": "measurement", "id": "compatible-dengue-syndrome-q01" }, { "text": "Which findings require assessment for malaria, chikungunya, Zika, bacterial infection or a concurrent illness?", "kind": "boundary", "id": "compatible-dengue-syndrome-q02" } ] } ] }, { "id": "exposure-and-prior-immunity", "name": "Exposure and prior immunity", "description": "Connect the episode to dated exposure and relevant infection or vaccination history.", "findings": [ { "id": "exposure-and-history-evidence", "name": "Exposure and history evidence", "description": "Separate documented travel, residence and prior infection from assumptions about exposure or immunity.", "questions": [ { "text": "Where was the person before symptom onset, on which dates, and what dated evidence supports dengue transmission there?", "kind": "provenance", "id": "exposure-and-history-evidence-q01" }, { "text": "What evidence exists for prior dengue, a known previous serotype, or flavivirus vaccination, and what remains unknown?", "kind": "provenance", "id": "exposure-and-history-evidence-q02" } ] } ] } ] }, { "id": "dengue-diagnostic-evidence", "name": "Dengue diagnostic evidence", "description": "Represent test selection, results and interpretation in relation to illness timing.", "rationale": "A dengue result has different meaning depending on assay, collection day and immune history.", "layers": [ { "id": "specimen-and-assay-timing", "name": "Specimen and assay timing", "description": "Anchor laboratory evidence to the episode timeline.", "findings": [ { "id": "time-qualified-test-result", "name": "Time-qualified test result", "description": "Record NAAT, NS1 and antibody results with specimen details; acute-phase testing and later serology have different roles. [CDC testing guidance](https://www.cdc.gov/dengue/hcp/diagnosis-testing/index.html)", "questions": [ { "text": "Which assay and specimen produced each result, and how long after symptom onset was the specimen collected?", "kind": "measurement", "id": "time-qualified-test-result-q01" }, { "text": "Does the applicable testing guidance call for an additional or convalescent specimen given the timing and existing results?", "kind": "action", "id": "time-qualified-test-result-q02" } ] } ] }, { "id": "diagnostic-adjudication", "name": "Diagnostic adjudication", "description": "Separate evidence from the conclusion drawn from it.", "findings": [ { "id": "confirmation-and-residual-ambiguity", "name": "Confirmation and residual ambiguity", "description": "Retain conflicting evidence and serological cross-reactivity; a single IgG result is not recommended for diagnosing acute dengue. [CDC testing guidance](https://www.cdc.gov/dengue/hcp/diagnosis-testing/index.html)", "questions": [ { "text": "Which named criteria support the recorded diagnostic category, and who made that interpretation?", "kind": "definition", "id": "confirmation-and-residual-ambiguity-q01" }, { "text": "Could prior infection, vaccination, another flavivirus or discordant testing explain the result, and what would resolve the ambiguity?", "kind": "boundary", "id": "confirmation-and-residual-ambiguity-q02" } ] } ] } ] }, { "id": "dengue-phase-and-trajectory", "name": "Dengue phase and trajectory", "description": "Track the episode through fever, possible critical deterioration and recovery.", "rationale": "Dengue state depends on trajectory and timing, not merely the latest temperature.", "layers": [ { "id": "onset-and-defervescence", "name": "Onset and defervescence", "description": "Maintain a timeline with uncertainty and reassessable phase assignments.", "findings": [ { "id": "phase-assignment", "name": "Phase assignment", "description": "Record the evidence for febrile, critical or recovery phase, including uncertainty when onset or fever resolution is unclear.", "questions": [ { "text": "What are the best-supported symptom-onset and defervescence times, and how uncertain are they?", "kind": "measurement", "id": "phase-assignment-q01" }, { "text": "What observations justify the current phase, and when must that assignment be reassessed?", "kind": "definition", "id": "phase-assignment-q02" } ] } ] }, { "id": "serial-physiology", "name": "Serial physiology", "description": "Interpret linked clinical and laboratory changes over time.", "findings": [ { "id": "trajectory-in-treatment-context", "name": "Trajectory in treatment context", "description": "Align haematocrit, platelets, perfusion, urine output and fluid administration so isolated measurements do not dominate interpretation.", "questions": [ { "text": "How have haematocrit, platelets, circulation and urine output changed across comparable observation times?", "kind": "measurement", "id": "trajectory-in-treatment-context-q01" }, { "text": "Could fluid administration, bleeding, baseline variation or measurement quality account for the apparent change?", "kind": "boundary", "id": "trajectory-in-treatment-context-q02" } ] } ] } ] }, { "id": "dengue-warning-signs-and-severity", "name": "Dengue warning signs and severity", "description": "Separate warning signs from established severe manifestations and incomplete assessment.", "rationale": "An agent must recognise escalation needs even when diagnostic confirmation is pending or fever is resolving.", "layers": [ { "id": "warning-sign-surveillance", "name": "Warning-sign surveillance", "description": "Record each warning sign explicitly and repeatedly.", "findings": [ { "id": "warning-sign-presence", "name": "Warning-sign presence", "description": "Assess abdominal pain or tenderness, persistent vomiting, fluid accumulation, mucosal bleeding, lethargy or restlessness, liver enlargement and rising haematocrit with rapidly falling platelets. [WHO outbreak toolbox](https://www.who.int/emergencies/outbreak-toolkit/disease-outbreak-toolboxes/dengue-outbreak-toolbox)", "questions": [ { "text": "Which warning signs are present, absent, uncertain or unassessed, and when was each last checked?", "kind": "measurement", "id": "warning-sign-presence-q01" }, { "text": "What urgent clinical review or escalation does the current warning-sign pattern require under the applicable protocol?", "kind": "action", "id": "warning-sign-presence-q02" } ] } ] }, { "id": "severe-manifestations", "name": "Severe manifestations", "description": "Identify the specific evidence supporting severe dengue.", "findings": [ { "id": "severity-mechanism-and-attribution", "name": "Severity mechanism and attribution", "description": "Record leakage-related shock or respiratory distress, severe bleeding and severe organ impairment separately, including alternative explanations.", "questions": [ { "text": "What evidence establishes each severe manifestation, and which severity definition is being applied?", "kind": "definition", "id": "severity-mechanism-and-attribution-q01" }, { "text": "Which findings demand emergency escalation, and which may also reflect sepsis, another disease or a treatment complication?", "kind": "action", "id": "severity-mechanism-and-attribution-q02" } ] } ] } ] }, { "id": "dengue-care-and-response", "name": "Dengue care and response", "description": "Connect clinical assessment to care setting, supportive treatment and reassessment.", "rationale": "The model must expose what constrains action and whether the chosen care is achieving its intended effect.", "layers": [ { "id": "care-setting-and-vulnerability", "name": "Care setting and vulnerability", "description": "Record patient-specific factors and practical access to reassessment.", "findings": [ { "id": "disposition-rationale", "name": "Disposition rationale", "description": "Capture the clinician's disposition decision with pregnancy, age, comorbidities, oral intake, available support and access to care as applicable.", "questions": [ { "text": "Which host factors and follow-up barriers change the monitoring or admission decision for this episode?", "kind": "measurement", "id": "disposition-rationale-q01" }, { "text": "Who selected the care setting, which protocol supports it, and what changes trigger transfer or admission?", "kind": "action", "id": "disposition-rationale-q02" } ] } ] }, { "id": "supportive-care-safety", "name": "Supportive-care safety", "description": "Track ordered care, response and treatment-related concerns.", "findings": [ { "id": "fluids-medications-and-reassessment", "name": "Fluids, medications and reassessment", "description": "Record clinician-directed hydration and symptom treatment; aspirin and ibuprofen can increase bleeding risk in dengue. [WHO dengue guidance](https://www.who.int/news-room/questions-and-answers/item/dengue-and-severe-dengue)", "questions": [ { "text": "What fluids and medicines were ordered and administered, and what subsequent observations document benefit or harm?", "kind": "measurement", "id": "fluids-medications-and-reassessment-q01" }, { "text": "Which medication exposures, persistent perfusion problems or signs of fluid overload require clinician review of the plan?", "kind": "action", "id": "fluids-medications-and-reassessment-q02" } ] } ] } ] }, { "id": "dengue-outcome-and-transmission-handoff", "name": "Dengue outcome and transmission handoff", "description": "Establish how the episode ends and what patient-level follow-up or public-health links remain.", "rationale": "Clinical improvement, episode closure and transmission precautions are related but require separate evidence.", "layers": [ { "id": "recovery-and-episode-closure", "name": "Recovery and episode closure", "description": "Document recovery, persistent effects, transfer, death or loss to follow-up without treating discharge as proof of full recovery.", "findings": [ { "id": "supported-episode-outcome", "name": "Supported episode outcome", "description": "Link the outcome to clinical assessment, remaining symptoms and responsibility for unresolved findings.", "questions": [ { "text": "What evidence and applicable discharge criteria support recovery or closure, and which symptoms or abnormalities persist?", "kind": "boundary", "id": "supported-episode-outcome-q01" }, { "text": "Who owns follow-up of pending tests, persistent symptoms or organ injury, and when is reassessment due?", "kind": "action", "id": "supported-episode-outcome-q02" } ] } ] }, { "id": "mosquito-exposure-and-notification", "name": "Mosquito exposure and notification", "description": "Connect the individual episode to bite prevention and jurisdiction-specific case reporting.", "findings": [ { "id": "prevention-and-reporting-handoff", "name": "Prevention and reporting handoff", "description": "Record advice to reduce mosquito bites during illness and link authorised case notification to the relevant public-health process. People with dengue can infect mosquitoes that bite them. [WHO dengue guidance](https://www.who.int/news-room/questions-and-answers/item/dengue-and-severe-dengue)", "questions": [ { "text": "What mosquito-bite prevention advice was provided, for what period, and can the person follow it?", "kind": "action", "id": "prevention-and-reporting-handoff-q01" }, { "text": "Which jurisdictional case definition and notification requirements apply, and what reporting has been authorised and completed?", "kind": "provenance", "id": "prevention-and-reporting-handoff-q02" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-kinds", "name": "Kinds and varieties", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Dengue without warning signs", "Dengue with warning signs", "Severe dengue", "DENV-1", "DENV-2", "DENV-3", "DENV-4", "Secondary dengue infection" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of dengue fever this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-identifiers", "name": "Identifiers and schemes", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "scheme": "Wikidata", "value_or_pattern": "Q30953", "note": "Dengue fever" } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of dengue fever this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "WHO dengue case classification (2009) - World Health Organization" ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of dengue fever this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-real-world-use", "name": "Real-world use", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Clinical diagnosis and notifiable-disease reporting in endemic tropical and subtropical countries" ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of dengue fever this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-measurements", "name": "Typical measurements", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "quantity": "Incubation period", "typical_range": "4-10", "unit": "days" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of dengue fever this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-failure-modes-and-hazards", "name": "Failure modes and hazards", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Progression to severe dengue with plasma leakage, shock, or haemorrhage" ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of dengue fever this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-regional-variation", "name": "Regional variation", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "WHO 2009 classification is used internationally; some programmes still use DF/DHF/DSS" ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of dengue fever this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-neighbours", "name": "Neighbouring kinds and how to tell them apart", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "name": "Chikungunya", "difference": "Arthralgia is typically more severe and prolonged in chikungunya; dengue more often causes thrombocytopenia and plasma leakage" } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of dengue fever this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does the registry intend dengue fever to own the entire symptomatic dengue spectrum, including severe dengue, and is there an existing world model that must serve as its source of truth?", "Which jurisdiction-specific clinical and surveillance definitions should govern classification, including mappings from older dengue haemorrhagic fever and dengue shock syndrome terminology?", "Which assays are available in the intended deployment settings, and what locally validated interpretation rules address timing, previous flavivirus exposure and vaccination?", "Which clinical protocols supply age-, pregnancy- and comorbidity-specific monitoring intervals, escalation thresholds, fluid-management constraints and discharge criteria?", "What evidence should govern follow-up duration and attribution of persistent symptoms after the acute episode?" ], "statistics": { "bundles": 7, "layers": 13, "findings": 20, "questions": 32 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "disease or condition", "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 dengue fever, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to recognise a possible dengue fever episode, track diagnostic confidence and clinical progression, and support timely clinician-directed monitoring, escalation and recovery assessment.", "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: asymptomatic dengue, dengue hemorrhagic fever.", "2 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 113 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 dengue fever, 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": [ "Recognised by criteria applied to signs and findings, not by appearance. Two conditions can look identical and be distinguished only by test." ], "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": [ "asymptomatic dengue", "dengue hemorrhagic fever" ] } ], "standing": "Described in 113 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 2 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 dengue fever from another, and a dengue fever 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 dengue fever, 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 dengue fever, 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 dengue fever 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 dengue fever, 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 dengue fever, 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 dengue fever 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 dengue fever 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 dengue fever, 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 dengue fever, 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 dengue fever 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 dengue fever from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a dengue fever, 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 dengue fever, 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 dengue fever 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 dengue fever 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 dengue fever between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a dengue fever, 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 dengue fever, 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 dengue fever 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 dengue fever, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a dengue fever 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 dengue fever, 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 dengue fever, 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 dengue fever 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 dengue fever 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 dengue fever, 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 dengue fever and what marks it done.", "questions": [ { "id": "steps-and-preconditions-q01", "text": "What identifies and describes a step of a dengue fever, 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 dengue fever, 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 dengue fever 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 dengue fever consumes and what it produces.", "findings": [ { "id": "inputs-and-outputs", "name": "Inputs, outputs and side effects", "description": "The resources a dengue fever 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 dengue fever, 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 dengue fever, 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 dengue fever is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "diagnosis-and-criteria", "name": "Diagnosis, criteria and coding", "description": "What makes a case of dengue fever a case, and under which revision.", "rationale": "Criteria change between revisions, so a diagnosis without its coding revision cannot be compared with a later one.", "layers": [ { "id": "criteria", "name": "Diagnostic criteria", "description": "The criteria in force and who issues them.", "findings": [ { "id": "criteria-record", "name": "Criteria, issuer and revision", "description": "What must be true for a diagnosis, according to whom.", "questions": [ { "id": "criteria-record-q01", "text": "What criteria define dengue fever, issued by which body, in which revision?", "kind": "definition" }, { "id": "criteria-record-q02", "text": "What changed between revisions that would reclassify existing cases?", "kind": "boundary" } ] } ] }, { "id": "coding", "name": "Coding and terminology", "description": "The codes used to record it and their mapping.", "findings": [ { "id": "coding-record", "name": "Codes and mappings", "description": "Which classification codes apply and how they map.", "questions": [ { "id": "coding-record-q01", "text": "Which classification and terminology codes cover dengue fever, and how do they map to each other?", "kind": "definition" }, { "id": "coding-record-q02", "text": "What is lost when a case is mapped from one scheme to another?", "kind": "boundary" } ] } ] } ] }, { "id": "course-and-population", "name": "Course, population and care", "description": "How dengue fever develops, whom it affects, and what is done about it.", "rationale": "The condition, the diagnosis and the episode of care are three different things, and an agent must not merge them.", "layers": [ { "id": "course", "name": "Course and stages", "description": "Onset, progression, remission and outcome.", "findings": [ { "id": "course-record", "name": "Stages and transitions", "description": "The stages recorded and what moves a case between them.", "questions": [ { "id": "course-record-q01", "text": "What course does dengue fever typically take, and what marks each stage?", "kind": "definition" }, { "id": "course-record-q02", "text": "What separates the condition itself from an episode of care for it?", "kind": "boundary" } ] } ] }, { "id": "population", "name": "Affected populations", "description": "Who is affected, how often, and on what evidence.", "findings": [ { "id": "epidemiology", "name": "Prevalence and its basis", "description": "Rates with their population, period and source.", "questions": [ { "id": "epidemiology-q01", "text": "What prevalence or incidence is reported for dengue fever, in which population and period?", "kind": "measurement" }, { "id": "epidemiology-q02", "text": "What may an agent not conclude about an individual from a population rate?", "kind": "action" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a dengue fever 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 dengue fever and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a dengue fever, 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 dengue fever, 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 dengue fever 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 dengue fever is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a dengue fever, 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 dengue fever, 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 dengue fever 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 } } } }