{ "model": { "rank": 3143, "code": "thing-q167918", "model_id": "vr.tr.grandparent", "name": "grandparent", "purpose": "Let an agent handle the grandparent relation as second-degree kinship with legal effects in contact, care, inheritance and immigration.", "family": "Thing Registry", "category": "Cross-cutting context", "status": "research-draft", "kind": "thing", "plane": "XCT", "domain": "XCT.REL", "industry": "", "version": "", "url": "/models/thing/q167918/", "tier": 2, "score": 90, "payload": { "layer": "wikidata", "aliases": [ "maternal grandfather", "maternal grandparent", "paternal grandparent" ], "aliasCount": 3, "merged": 3, "knownIn": 90, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q167918", "url": "https://www.wikidata.org/wiki/Q167918", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-11T05:41:46Z", "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-Q167918", "registryId": "vr.tr.grandparent", "name": "grandparent", "version": "0.2.0-wave.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "XCT.REL" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q167918/", "model": { "registry_id": "vr.tr.grandparent", "name": "grandparent", "purpose": "Let an agent handle the grandparent relation as second-degree kinship with legal effects in contact, care, inheritance and immigration.", "definition": "A parent of one own parent: a grandfather or grandmother, maternal or paternal, including step and adoptive grandparents in social and often legal usage.", "what_it_is_for": "Defining family relationships and the roles of grandparents.", "affordances": [ "establish the relationship by records", "seek contact or care arrangements, where law allows", "act as kinship carer", "translate kinship terms" ], "distinguishing_features": [ "Second-degree lineal ascendant", "Maternal and paternal sides often named differently", "Legal rights to contact vary widely", "Kinship care by grandparents has its own rules" ], "appearance": "A relationship shown in family trees and records.", "visual_identification": [ "Family trees two generations up", "Terms distinguishing maternal and paternal grandparents in many languages", "Records linking generations" ], "physical_properties": [], "families_and_kinds": [ "maternal and paternal grandparents", "grandfather and grandmother", "step and adoptive grandparents", "great-grandparents" ], "related_models": [ { "relation": "is a kind of", "target": "kinship", "why": "relation" }, { "relation": "is the converse of", "target": "grandchild", "why": "relation" }, { "relation": "has legal effect in", "target": "family law", "why": "contact and care" }, { "relation": "is established by", "target": "civil records", "why": "evidence" } ], "identifiers": [], "standards_and_regulation": [ "Family law on grandparent contact and kinship care", "Succession law", "Immigration rules on dependent relatives" ], "failure_modes_and_hazards": [ "Assuming rights that the law does not give", "Sharing family data without consent", "Translation errors" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "relation", "name": "Relation", "description": "Which grandparent.", "rationale": "Side and type matter.", "layers": [ { "id": "side", "name": "Side", "description": "Maternal or paternal.", "findings": [ { "id": "side-finding", "name": "Side", "description": "Side of family.", "questions": [ { "text": "Is this a maternal or paternal grandparent?", "kind": "definition" }, { "text": "Is the relation biological, step or adoptive?", "kind": "boundary" } ] } ] }, { "id": "evidence", "name": "Evidence", "description": "Records.", "findings": [ { "id": "evidence-finding", "name": "Evidence", "description": "Proof.", "questions": [ { "text": "Which records establish it?", "kind": "provenance" }, { "text": "Are they recognised here?", "kind": "boundary" } ] } ] } ] }, { "id": "roles", "name": "Roles", "description": "Care and contact.", "rationale": "Grandparents often have caring roles.", "layers": [ { "id": "care", "name": "Kinship care", "description": "Caring for grandchildren.", "findings": [ { "id": "care-finding", "name": "Kinship care", "description": "Kinship care arrangements.", "questions": [ { "text": "Is the grandparent a kinship carer, and under what arrangement?", "kind": "definition" }, { "text": "What support is available?", "kind": "action" } ] } ] }, { "id": "contact", "name": "Contact", "description": "Rights to contact.", "findings": [ { "id": "contact-finding", "name": "Contact rights", "description": "Contact rights.", "questions": [ { "text": "Can grandparents apply for contact here?", "kind": "boundary" }, { "text": "Through which court?", "kind": "provenance" } ] } ] } ] }, { "id": "language", "name": "Language", "description": "Kinship terms.", "rationale": "Many languages distinguish sides.", "layers": [ { "id": "terms", "name": "Terms", "description": "Words used.", "findings": [ { "id": "terms-finding", "name": "Terms", "description": "Kinship terms.", "questions": [ { "text": "Which term applies in this language?", "kind": "definition" }, { "text": "Does it mark maternal or paternal side?", "kind": "boundary" } ] } ] }, { "id": "translation", "name": "Translation", "description": "Equivalents.", "findings": [ { "id": "translation-finding", "name": "Translation", "description": "Translation.", "questions": [ { "text": "How should it be translated?", "kind": "action" }, { "text": "What nuance is lost?", "kind": "boundary" } ] } ] } ] }, { "id": "legal-and-privacy", "name": "Legal and privacy", "description": "Inheritance and data.", "rationale": "Law and privacy both apply.", "layers": [ { "id": "inheritance", "name": "Inheritance", "description": "Succession.", "findings": [ { "id": "inheritance-finding", "name": "Inheritance", "description": "Inheritance.", "questions": [ { "text": "Do grandparents inherit in this situation?", "kind": "boundary" }, { "text": "Under which rules?", "kind": "provenance" } ] } ] }, { "id": "privacy", "name": "Privacy", "description": "Family data.", "findings": [ { "id": "privacy-finding", "name": "Privacy", "description": "Data handling.", "questions": [ { "text": "Is family data being shared lawfully?", "kind": "boundary" }, { "text": "Who else is affected?", "kind": "boundary" } ] } ] } ] } ] }, "openQuestions": [ "Should kinship relations be modelled as relations?", "How should kinship care be linked?", "How should step relations 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 grandparent, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent handle the grandparent relation as second-degree kinship with legal effects in contact, care, inheritance and immigration.", "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: maternal grandfather, maternal grandparent, paternal grandparent.", "3 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 90 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 grandparent, 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": [ "maternal grandfather", "maternal grandparent", "paternal grandparent" ] } ], "standing": "Described in 90 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 3 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 grandparent from another, and a grandparent 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 grandparent, 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 grandparent, 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 grandparent 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 grandparent, 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 grandparent, 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 grandparent 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 grandparent 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 grandparent, 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 grandparent, 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 grandparent 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 grandparent from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a grandparent, 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 grandparent, 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 grandparent 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 grandparent 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 grandparent between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a grandparent, 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 grandparent, 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 grandparent 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 grandparent, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a grandparent 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 grandparent, 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 grandparent, 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 grandparent 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 grandparent 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 grandparent 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 grandparent 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 grandparent 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 grandparent?", "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 grandparent?", "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 grandparent 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 grandparent and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a grandparent, 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 grandparent, 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 grandparent 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 grandparent is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a grandparent, 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 grandparent, 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 grandparent 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 } } } }