{ "model": { "rank": 6950, "code": "thing-q185836", "model_id": "vr.tr.age-of-a-person", "name": "age of a person", "purpose": "Let an agent compute and express age correctly, explain legal age thresholds by country, handle age groups and cultural reckoning, and apply age-appropriate and non-discriminatory practice.", "family": "Thing Registry", "category": "Cross-cutting context", "status": "research-draft", "kind": "thing", "plane": "XCT", "domain": "XCT.QLT", "industry": "", "version": "", "url": "/models/thing/q185836/", "tier": 2, "score": 57, "payload": { "layer": "wikidata", "aliases": [ "age group", "canonical age", "retirement age", "academic age", "school age", "eighteen years or older", "Crisciutu", "subjective age", "aspirational age", "marital majority", "relative age", "age limit", "age of onset", "age at death", "sport category by age", "sexarche", "East Asian age reckoning", "For all ages", "social media age restriction", "minimum age", "maximum age", "prohibited", "not recommended", "accompanying adult required", "accompanying adult recommended", "no restrictions or recommendations", "recommended", "parental guidance recommended", "any age", "congenital onset", "neonatal onset", "infantile onset", "childhood onset", "juvenile onset", "adult onset", "late onset disorder" ], "aliasCount": 36, "merged": 36, "knownIn": 57, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q185836", "url": "https://www.wikidata.org/wiki/Q185836", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-11T16:05:29Z", "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": 1, "engine": "claude" }, "metaModel": { "id": "THING-Q185836", "registryId": "vr.tr.age-of-a-person", "name": "age of a person", "version": "0.2.0-wave.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "XCT.QLT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q185836/", "model": { "registry_id": "vr.tr.age-of-a-person", "name": "age of a person", "purpose": "Let an agent compute and express age correctly, explain legal age thresholds by country, handle age groups and cultural reckoning, and apply age-appropriate and non-discriminatory practice.", "definition": "The length of time a person has lived, measured from birth, used to define life stages, age groups and legal thresholds such as school age, voting age, age of majority, eighteen years or older, and retirement age; age is computed differently in some cultures and is a protected characteristic in anti-discrimination law.", "what_it_is_for": "Identifying life stage and legal eligibility.", "affordances": [ "compute age from dates", "explain legal age thresholds", "define age groups for statistics", "apply age-related protections" ], "distinguishing_features": [ "Measured from birth", "Defines legal thresholds", "Culturally reckoned", "Protected characteristic" ], "appearance": "Not physical; a number of years, months or days.", "visual_identification": [ "Years since birth", "Thresholds in law", "Biological or developmental age are different measures" ], "physical_properties": [], "families_and_kinds": [ "chronological age", "age groups and cohorts", "legal age thresholds", "East Asian age reckoning", "academic and sporting age categories" ], "related_models": [ { "relation": "is a kind of", "target": "duration", "why": "category" }, { "relation": "is a kind of", "target": "physical quantity", "why": "category" }, { "relation": "is related to", "target": "definite-quantity", "why": "quantities" }, { "relation": "is protected by", "target": "anti-discrimination law", "why": "law" } ], "identifiers": [], "standards_and_regulation": [ "National laws on age of majority and thresholds", "Anti-discrimination law on age", "Data protection rules for children data" ], "failure_modes_and_hazards": [ "Off-by-one errors in age calculation", "Wrong legal thresholds by country", "Age discrimination" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "compute", "name": "Compute", "description": "Calculating age.", "rationale": "Dates and rules.", "layers": [ { "id": "calculate", "name": "Calculate", "description": "From dates.", "findings": [ { "id": "calculate-finding", "name": "Calculate", "description": "Calculation.", "questions": [ { "text": "What is the person age today, given their birth date, with correct handling of birthdays and leap years?", "kind": "measurement" }, { "text": "Should it be expressed in years, months or days?", "kind": "definition" } ] } ] }, { "id": "reckoning", "name": "Reckoning", "description": "Cultural systems.", "findings": [ { "id": "reckoning-finding", "name": "Reckoning", "description": "Reckoning.", "questions": [ { "text": "Does the context use East Asian or other age reckoning?", "kind": "boundary" }, { "text": "How is it converted?", "kind": "measurement" } ] } ] } ] }, { "id": "law", "name": "Law", "description": "Legal thresholds.", "rationale": "Thresholds vary.", "layers": [ { "id": "thresholds", "name": "Thresholds", "description": "Ages in law.", "findings": [ { "id": "thresholds-finding", "name": "Thresholds", "description": "Thresholds.", "questions": [ { "text": "What are the ages of majority, consent, voting, driving and retirement here, according to official sources?", "kind": "provenance" }, { "text": "Has the threshold changed recently?", "kind": "provenance" } ] } ] }, { "id": "verification", "name": "Verification", "description": "Age verification.", "findings": [ { "id": "verification-finding", "name": "Verification", "description": "Verification.", "questions": [ { "text": "Which age verification rules apply to this service or purchase?", "kind": "provenance" }, { "text": "How is children data protected?", "kind": "provenance" } ] } ] } ] }, { "id": "groups", "name": "Groups", "description": "Age groups.", "rationale": "Groups for analysis.", "layers": [ { "id": "statistics", "name": "Statistics", "description": "Cohorts.", "findings": [ { "id": "statistics-finding", "name": "Statistics", "description": "Cohorts.", "questions": [ { "text": "Which age groups does this statistical source use?", "kind": "provenance" }, { "text": "How should groups be defined for this analysis?", "kind": "action" } ] } ] }, { "id": "categories", "name": "Categories", "description": "Sport and school.", "findings": [ { "id": "categories-finding", "name": "Categories", "description": "Categories.", "questions": [ { "text": "Which age category applies in this sport or school system, and on which cut-off date?", "kind": "provenance" }, { "text": "How is academic age defined?", "kind": "definition" } ] } ] } ] }, { "id": "fairness", "name": "Fairness", "description": "Age and rights.", "rationale": "Avoid discrimination.", "layers": [ { "id": "discrimination", "name": "Discrimination", "description": "Age discrimination.", "findings": [ { "id": "discrimination-finding", "name": "Discrimination", "description": "Discrimination.", "questions": [ { "text": "Does this practice discriminate by age unlawfully?", "kind": "boundary" }, { "text": "Which exceptions does the law allow?", "kind": "provenance" } ] } ] }, { "id": "appropriate", "name": "Appropriate", "description": "Age-appropriate content.", "findings": [ { "id": "appropriate-finding", "name": "Appropriate", "description": "Age-appropriate content.", "questions": [ { "text": "Is the content and interaction appropriate for the person age?", "kind": "boundary" }, { "text": "Which safeguards apply for minors?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should legal thresholds be a separate entry?", "How should country rules be linked?", "How should age reckoning systems be recorded?" ], "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 age of a person, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent compute and express age correctly, explain legal age thresholds by country, handle age groups and cultural reckoning, and apply age-appropriate and non-discriminatory practice.", "characteristics": { "substance": "abstract", "origin": "conceptual", "agency": "inert" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: age group, canonical age, retirement age, academic age, school age, eighteen years or older, Crisciutu, subjective age, aspirational age, marital majority, relative age, age limit.", "36 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 57 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 age of a person, and on what evidence are they told apart?" ], "whatItIsMadeOf": "an abstraction with no physical instance", "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": [ "age group", "canonical age", "retirement age", "academic age", "school age", "eighteen years or older", "Crisciutu", "subjective age", "aspirational age", "marital majority", "relative age", "age limit" ] } ], "standing": "Described in 57 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 36 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 age of a person from another, and a age of a person 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 age of a person, 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 age of a person, 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 age of a person 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 age of a person, 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 age of a person, 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 age of a person 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 age of a person 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 age of a person, 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 age of a person, 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 age of a person 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 age of a person from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a age of a person, 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 age of a person, 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 age of a person 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 age of a person 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 age of a person between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a age of a person, 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 age of a person, 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 age of a person 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 age of a person, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a age of a person 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 age of a person, 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 age of a person, 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 age of a person 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 age of a person 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 age of a person 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 age of a person 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 age of a person 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 age of a person?", "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 age of a person?", "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 age of a person 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 age of a person and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a age of a person, 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 age of a person, 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 age of a person 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 age of a person is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a age of a person, 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 age of a person, 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 age of a person is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 5, "layers": 10, "findings": 12, "questions": 32 } } } }