{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.line-3","code":"thing-line-3","url":"https://ver.cy/models/thing/line-3/","name":"line","alternateNames":["feeder line","main line","track","data track","axis","coordinate axis","x-axis","y-axis","z-axis","major axis","semimajor axis","minor axis"],"kind":"thing","status":"published","version":"0.2.0-wave.2","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"noun.location","plane":"PHY","domain":["PHY.PLC"],"industry":[],"navPath":"","tags":[],"facets":{"substance":"place","origin":"natural","agency":"inert","mobility":"fixed","scale":"geographic","affordances":["observable"]}},"whatItIs":"A spatial location defined by a real or imaginary one-dimensional extent, such as a railway track, a main or feeder line in a network, a coordinate axis, a data track on a disc, a boundary line or a route marked on a map; in this sense a line is a place or path rather than a geometric abstraction, a written row of text or a queue.","purpose":"Let an agent interpret line as a spatial location or path, distinguish it from other senses, and support questions about tracks, routes, axes and boundaries.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Spatial","One-dimensional","Real or imaginary","Named by function"],"structure":{"bundles":[{"id":"sense","name":"Sense","description":"Which line.","layers":[{"id":"which","name":"Which","description":"Which sense.","findings":[{"id":"which-finding","name":"Which","description":"Sense.","questions":[{"text":"Is a track, route, axis, boundary, data track or another spatial line meant?","kind":"boundary"},{"text":"Or is a geometric line, a row of text, a queue or a lineage meant?","kind":"boundary"}]}]},{"id":"locate","name":"Locate","description":"Locating a line.","findings":[{"id":"locate-finding","name":"Locate","description":"Location.","questions":[{"text":"Where does this line run, and how is it identified on maps or signage?","kind":"provenance"},{"text":"Which entry fits a specific line?","kind":"action"}]}]}]},{"id":"transport","name":"Transport","description":"Tracks and routes.","layers":[{"id":"lines","name":"Lines","description":"Main and feeder lines.","findings":[{"id":"lines-finding","name":"Lines","description":"Network lines.","questions":[{"text":"What are main lines, feeder lines and tracks in this transport or utility network?","kind":"definition"},{"text":"How are they numbered or named?","kind":"provenance"}]}]},{"id":"follow","name":"Follow","description":"Following a line.","findings":[{"id":"follow-finding","name":"Follow","description":"Navigation.","questions":[{"text":"How can a route along this line be planned or followed?","kind":"action"},{"text":"Which stops or points lie along it?","kind":"provenance"}]}]}]},{"id":"reference","name":"Reference","description":"Axes and boundaries.","layers":[{"id":"axes","name":"Axes","description":"Coordinate axes.","findings":[{"id":"axes-finding","name":"Axes","description":"Axes.","questions":[{"text":"What is a coordinate axis, and how are axes oriented in this system?","kind":"definition"},{"text":"How do map grids use lines?","kind":"definition"}]}]},{"id":"boundaries","name":"Boundaries","description":"Boundary lines.","findings":[{"id":"boundaries-finding","name":"Boundaries","description":"Boundaries.","questions":[{"text":"Where does this boundary line run, and how was it surveyed?","kind":"provenance"},{"text":"Is it disputed, and are positions attributed?","kind":"boundary"}]}]}]},{"id":"data","name":"Data","description":"Data tracks.","layers":[{"id":"tracks","name":"Tracks","description":"Data tracks.","findings":[{"id":"tracks-finding","name":"Tracks","description":"Data tracks.","questions":[{"text":"What is a data track on a disc or tape, and how is it addressed?","kind":"definition"},{"text":"Which entry fits a storage format?","kind":"action"}]}]},{"id":"teach","name":"Teach","description":"Teaching.","findings":[{"id":"teach-finding","name":"Teach","description":"Teaching.","questions":[{"text":"How can the many senses of line be taught?","kind":"action"},{"text":"Which confusions arise?","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Locate and describe a line, such as a railway, network feeder or boundary, from authoritative maps and records.","State which sense of line is meant when the word is ambiguous."],"mustNot":["Treat a disputed or approximate boundary line as settled and exact.","Enter or work on a railway or power line without the operator's authority and protection.","Give route references that could send people onto the wrong line or track.","Move or alter markers that show where a boundary or service line runs."],"requiresHuman":["Deciding where a boundary line lies in a dispute.","Authorizing work near live lines or active tracks."]},"ethics":{"considerations":["Lines on the ground divide property and territory; misplacing them takes from someone.","Railways and power lines are deadly places for people who do not know they are live."],"affectedParties":["Landowners on either side","Workers near lines","Travellers and users of a network"]},"owners":{"steward":"Depends on the line: the infrastructure operator for tracks and networks, the land or boundary authority for boundaries.","roles":[],"masterSystems":["Cadastre and boundary records","Infrastructure operators' asset registers"]},"relations":[{"target":"oewn-00027365-n","type":"parent","note":"registry parent class"},{"target":"location","type":"related","note":"category"},{"target":"railway line/metro line","type":"related","note":"transport sense"},{"target":"boundary","type":"related","note":"boundary lines"},{"target":"line","type":"related","note":"geometric sense"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.line-3","Open English WordNet: oewn-08610818-n"]},"properties":{"applicability":"required","items":["Path length:  metres - Measure distance along a specified finite path or between defined endpoints using survey data or spatial coordinates.","Local curvature:  inverse metres - Determine the change in path direction per unit distance from surveyed or modelled coordinates where the path is smooth."]},"recognition":{"applicability":"required","items":["One-dimensional spatial extent","Real or imaginary","A geometric line has no physical location","A path, track or marked extent on the ground, a map or a device."]},"capabilities":{"applicability":"required","items":["interpret which spatial line is meant","explain tracks, routes and axes","distinguish from other senses","support mapping and navigation"]},"hazards":{"applicability":"required","items":["Confusing senses of line","Ambiguous route references","Misreading boundary lines"]},"interfaces":{"applicability":"required","items":["Mapping and survey conventions","Transport network naming conventions"]},"context":{"applicability":"required","items":["Naming one-dimensional places and paths.","railway and transit lines","main and feeder lines in networks","coordinate axes","data tracks on media","boundary and survey lines"]}},"sources":[{"title":"Open English WordNet 2024, synset oewn-08610818-n","url":"https://en-word.net/id/oewn-08610818-n","note":"sense and gloss of the concept"},{"title":"Wiktionary: line","url":"https://en.wiktionary.org/wiki/line","note":"word senses and usage"}],"openQuestions":["Should each spatial sense be a separate entry?","How should transport data be linked?","How should survey lines be linked?"],"resources":{"spec":"/models/things/publications/thing-line-3/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-line-3/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T21:25:36Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T12:16:27+00:00: completeness 1.00; sense: WordNet gloss; 2 live sources; review by codex: pass"},"score":1.0}}