{ "model": { "rank": 3035, "code": "thing-q161238", "model_id": "vr.tr.magnetic-resonance-imaging", "name": "magnetic resonance imaging", "purpose": "Let an agent explain how MRI works and what it shows, relay its main techniques and safety rules from radiological sources, describe functional MRI and research uses, and route personal questions about scans to clinicians.", "family": "Thing Registry", "category": "Activities and processes", "status": "research-draft", "kind": "thing", "plane": "ACT", "domain": "ACT.ACT", "industry": "", "version": "", "url": "/models/thing/q161238/", "tier": 2, "score": 92, "payload": { "layer": "wikidata", "aliases": [ "cardiac magnetic resonance imaging", "magnetic resonance myelography", "magnetic resonance angiography", "functional magnetic resonance imaging", "event-related functional magnetic resonance imaging", "resting-state fMRI", "Spinal fMRI", "interventional magnetic resonance imaging", "MR-guided focused ultrasound", "MR arthrogram", "whole-body MRI", "multiparametric magnetic resonance imaging", "Extremity MRI", "magnetic resonance fingerprinting", "dynamic contrast-enhanced MRI", "magnetic resonance imaging of the brain", "real-time MRI", "magnetic resonance cholangiopancreatography", "perfusion MRI", "low-field magnetic resonance imaging", "magnetic resonance microscopy", "echo-planar imaging", "35Cl Magnetic Resonance Imaging", "Breast MRI", "T2*-weighted imaging", "arterial spin labelling", "rectal magnetic resonance imaging", "Cine Magnetic Resonance Imaging", "fluorine-19 magnetic resonance imaging", "diffusion-weighted magnetic resonance imaging", "stem cell MRI", "diffusion tensor imaging", "diffusion spectrum magnetic resonance imaging" ], "aliasCount": 33, "merged": 33, "knownIn": 92, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q161238", "url": "https://www.wikidata.org/wiki/Q161238", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-13T02:51:47Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 3, "engine": "claude" }, "metaModel": { "id": "THING-Q161238", "registryId": "vr.tr.magnetic-resonance-imaging", "name": "magnetic resonance imaging", "version": "0.2.0-wave.3", "entryKind": "thing", "family": "Thing Registry", "domain": [ "ACT.ACT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q161238/", "model": { "registry_id": "vr.tr.magnetic-resonance-imaging", "name": "magnetic resonance imaging", "purpose": "Let an agent explain how MRI works and what it shows, relay its main techniques and safety rules from radiological sources, describe functional MRI and research uses, and route personal questions about scans to clinicians.", "definition": "A medical imaging technique that uses strong magnetic fields, magnetic field gradients and radio waves to produce detailed images of organs and tissues without ionising radiation, based on nuclear magnetic resonance of hydrogen nuclei, with specialised forms such as magnetic resonance angiography of vessels, cardiac MRI, magnetic resonance myelography of the spinal canal, and functional MRI including event-related and resting-state fMRI that map brain activity through blood oxygenation; MRI is central to neurology, oncology, musculoskeletal and cardiac diagnosis.", "what_it_is_for": "Imaging the body without ionising radiation.", "affordances": [ "explain physics and images", "relay techniques", "relay safety rules", "route personal questions" ], "distinguishing_features": [ "No ionising radiation", "Soft tissue contrast", "Multiple contrasts and sequences", "Functional imaging" ], "appearance": "A large tube-shaped scanner producing greyscale cross-sectional images.", "visual_identification": [ "Imaging by nuclear magnetic resonance", "Structural MRI, MRA, cardiac MRI, MR myelography, fMRI including event-related and resting-state", "CT uses X-rays; ultrasound uses sound; PET uses radiotracers" ], "physical_properties": [ { "quantity": "clinical field strength", "typical_range": "1.5 or 3", "unit": "tesla", "note": "typical" }, { "quantity": "first human MRI", "typical_range": "1977", "unit": "year", "note": "" }, { "quantity": "scan duration", "typical_range": "about 15-60", "unit": "minutes", "note": "" } ], "families_and_kinds": [ "structural MRI with T1, T2 and other contrasts", "magnetic resonance angiography", "cardiac magnetic resonance", "magnetic resonance myelography and spine imaging", "diffusion and perfusion MRI", "functional MRI: task-based, event-related and resting-state", "MR spectroscopy" ], "related_models": [ { "relation": "is a kind of", "target": "medical imaging", "why": "in registry terms" }, { "relation": "is a kind of", "target": "non-invasive imaging", "why": "in registry terms" }, { "relation": "is based on", "target": "nuclear magnetic resonance", "why": "of hydrogen nuclei" }, { "relation": "is contrasted with", "target": "computed tomography", "why": "which uses X-rays" } ], "identifiers": [ { "scheme": "MeSH", "value_or_pattern": "D008279", "note": "magnetic resonance imaging" } ], "standards_and_regulation": [ "MR safety standards such as IEC 60601-2-33", "Medical device regulation of scanners and contrast agents", "Radiology appropriateness criteria" ], "failure_modes_and_hazards": [ "Ferromagnetic projectile and implant hazards", "Gadolinium contrast concerns", "Agents interpreting personal scans", "Overinterpretation of fMRI findings" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "understand", "name": "Understand", "description": "What MRI is.", "rationale": "Science.", "layers": [ { "id": "physics", "name": "Physics", "description": "Physics.", "findings": [ { "id": "physics-finding", "name": "Physics", "description": "Physics.", "questions": [ { "text": "How does MRI use magnetic fields, gradients and radio waves to form images?", "kind": "definition" }, { "text": "Is the question about MRI, CT, ultrasound or PET?", "kind": "boundary" } ] } ] }, { "id": "techniques", "name": "Techniques", "description": "Techniques.", "findings": [ { "id": "techniques-finding", "name": "Techniques", "description": "Techniques.", "questions": [ { "text": "What are MRA, cardiac MRI, MR myelography, diffusion imaging and fMRI, and what does each show?", "kind": "definition" }, { "text": "Which entry fits the specific technique?", "kind": "action" } ] } ] } ] }, { "id": "clinical", "name": "Clinical", "description": "Clinical use.", "rationale": "Clinical.", "layers": [ { "id": "uses", "name": "Uses", "description": "Uses.", "findings": [ { "id": "uses-finding", "name": "Uses", "description": "Uses.", "questions": [ { "text": "When is MRI used in neurology, oncology, cardiology and musculoskeletal medicine, in general terms?", "kind": "provenance" }, { "text": "Is the user asking about their own scan or results, which needs their clinician?", "kind": "boundary" } ] } ] }, { "id": "experience", "name": "Experience", "description": "Having a scan.", "findings": [ { "id": "experience-finding", "name": "Experience", "description": "Experience.", "questions": [ { "text": "What happens during a scan, and how are contrast agents used?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] } ] }, { "id": "safety", "name": "Safety", "description": "Safety.", "rationale": "Regulation.", "layers": [ { "id": "safety", "name": "Safety", "description": "Safety rules.", "findings": [ { "id": "safety-finding", "name": "Safety", "description": "Safety.", "questions": [ { "text": "What safety rules apply for implants, metal objects and pregnancy?", "kind": "provenance" }, { "text": "Which sources are cited?", "kind": "provenance" } ] } ] }, { "id": "contrast", "name": "Contrast", "description": "Contrast agents.", "findings": [ { "id": "contrast-finding", "name": "Contrast", "description": "Contrast.", "questions": [ { "text": "What are gadolinium contrast agents, and what concerns exist, with attribution?", "kind": "provenance" }, { "text": "Which entry fits MRI contrast agent?", "kind": "action" } ] } ] } ] }, { "id": "context", "name": "Context", "description": "Research and history.", "rationale": "Context.", "layers": [ { "id": "research", "name": "Research", "description": "fMRI research.", "findings": [ { "id": "research-finding", "name": "Research", "description": "Research.", "questions": [ { "text": "How do event-related and resting-state fMRI map brain function, and what are their limits, with attribution?", "kind": "provenance" }, { "text": "Which entry fits functional MRI?", "kind": "action" } ] } ] }, { "id": "history", "name": "History", "description": "History.", "findings": [ { "id": "history-finding", "name": "History", "description": "History.", "questions": [ { "text": "How was MRI developed by Lauterbur, Mansfield, Damadian and others?", "kind": "provenance" }, { "text": "Which entry fits the history of MRI?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should functional MRI and MRA be separate primary entries?", "How should radiological references be linked?", "The registry entry has merged aliases naming techniques; should they be split off?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "abstract concept", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a magnetic resonance imaging, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent explain how MRI works and what it shows, relay its main techniques and safety rules from radiological sources, describe functional MRI and research uses, and route personal questions about scans to clinicians.", "characteristics": { "substance": "activity", "origin": "conceptual", "agency": "inert" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: cardiac magnetic resonance imaging, magnetic resonance myelography, magnetic resonance angiography, functional magnetic resonance imaging, event-related functional magnetic resonance imaging, resting-state fMRI, Spinal fMRI, interventional magnetic resonance imaging, MR-guided focused ultrasound, MR arthrogram, whole-body MRI, multiparametric magnetic resonance imaging.", "33 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 92 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 magnetic resonance imaging, and on what evidence are they told apart?" ], "whatItIsMadeOf": "something that happens over time", "physicalCharacter": [ "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state" ], "howItIsRecognised": [ "Nothing to see. What is recognised is an instance of it, and which instances count is exactly what is argued about." ], "relatedModels": [ { "relation": "covers", "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.", "targets": [ "cardiac magnetic resonance imaging", "magnetic resonance myelography", "magnetic resonance angiography", "functional magnetic resonance imaging", "event-related functional magnetic resonance imaging", "resting-state fMRI", "Spinal fMRI", "interventional magnetic resonance imaging", "MR-guided focused ultrasound", "MR arthrogram", "whole-body MRI", "multiparametric magnetic resonance imaging" ] } ], "standing": "Described in 92 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 33 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 magnetic resonance imaging from another, and a magnetic resonance imaging 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 magnetic resonance imaging, 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 magnetic resonance imaging, 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 magnetic resonance imaging 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 magnetic resonance imaging, 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 magnetic resonance imaging, 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 magnetic resonance imaging 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 magnetic resonance imaging 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 magnetic resonance imaging, 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 magnetic resonance imaging, 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 magnetic resonance imaging 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 magnetic resonance imaging from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a magnetic resonance imaging, 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 magnetic resonance imaging, 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 magnetic resonance imaging 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 magnetic resonance imaging 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 magnetic resonance imaging between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a magnetic resonance imaging, 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 magnetic resonance imaging, 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 magnetic resonance imaging 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 magnetic resonance imaging, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a magnetic resonance imaging 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 magnetic resonance imaging, 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 magnetic resonance imaging, 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 magnetic resonance imaging 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 magnetic resonance imaging 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 magnetic resonance imaging, 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 magnetic resonance imaging and what marks it done.", "questions": [ { "id": "steps-and-preconditions-q01", "text": "What identifies and describes a step of a magnetic resonance imaging, 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 magnetic resonance imaging, 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 magnetic resonance imaging 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 magnetic resonance imaging consumes and what it produces.", "findings": [ { "id": "inputs-and-outputs", "name": "Inputs, outputs and side effects", "description": "The resources a magnetic resonance imaging 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 magnetic resonance imaging, 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 magnetic resonance imaging, 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 magnetic resonance imaging is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "definitions-in-contest", "name": "Definitions and who holds them", "description": "What magnetic resonance imaging is taken to mean, and by whom.", "rationale": "When a field disagrees about a concept, the disagreement is the content. A model that picks one definition silently destroys the information.", "layers": [ { "id": "competing-definitions", "name": "Competing definitions", "description": "The main readings and the traditions behind them.", "findings": [ { "id": "definition-map", "name": "Definitions and their holders", "description": "Each definition with the school or body that holds it.", "questions": [ { "id": "definition-map-q01", "text": "Which definitions of magnetic resonance imaging are in use, and which tradition or body holds each?", "kind": "definition" }, { "id": "definition-map-q02", "text": "What turns on the difference between them in practice?", "kind": "boundary" } ] } ] }, { "id": "operationalisation", "name": "Operationalisation", "description": "How it is measured or applied when it has to be.", "findings": [ { "id": "operational-record", "name": "Measures and proxies", "description": "Instruments and indicators used to stand in for it.", "questions": [ { "id": "operational-record-q01", "text": "How is magnetic resonance imaging operationalised or measured in practice, and by what instrument?", "kind": "measurement" }, { "id": "operational-record-q02", "text": "What does that operationalisation leave out, and when does that matter?", "kind": "boundary" } ] } ] } ] }, { "id": "instances-and-use", "name": "Instances, use and consequence", "description": "What counts as an instance of magnetic resonance imaging and what follows from calling something that.", "rationale": "Applying a concept is an act with consequences, so a model must say what the label licenses and what it does not.", "layers": [ { "id": "instances", "name": "What counts as an instance", "description": "Clear cases, borderline cases and non-cases.", "findings": [ { "id": "instance-tests", "name": "Tests for an instance", "description": "What would settle whether something falls under it.", "questions": [ { "id": "instance-tests-q01", "text": "What would settle whether something is an instance of magnetic resonance imaging?", "kind": "boundary" }, { "id": "instance-tests-q02", "text": "Which borderline cases are argued about, and on what grounds?", "kind": "definition" } ] } ] }, { "id": "consequence", "name": "Consequence of application", "description": "Rights, duties or decisions that follow from the label.", "findings": [ { "id": "consequence-record", "name": "What the label licenses", "description": "What an agent may do once something is classified this way.", "questions": [ { "id": "consequence-record-q01", "text": "What follows practically once something is treated as magnetic resonance imaging?", "kind": "action" }, { "id": "consequence-record-q02", "text": "What must an agent not infer from the label alone?", "kind": "action" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a magnetic resonance imaging 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 magnetic resonance imaging and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a magnetic resonance imaging, 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 magnetic resonance imaging, 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 magnetic resonance imaging 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 magnetic resonance imaging is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a magnetic resonance imaging, 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 magnetic resonance imaging, 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 magnetic resonance imaging 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 } } } }