{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.cycle-2","code":"thing-cycle-2","url":"https://ver.cy/models/thing/cycle-2/","name":"cycle","alternateNames":["oscillation","cardiac cycle","pass","menstrual cycle"],"kind":"thing","status":"published","version":"0.2.0-wave.4","language":"en","classifiers":{"family":"Thing Registry","category":"Activities and processes","entryKind":"noun.event","plane":"ACT","domain":["ACT.EVT"],"industry":[],"navPath":"","tags":[],"facets":{"substance":"activity","origin":"conceptual","agency":"inert","mobility":"not-applicable","scale":"not-applicable","affordances":["observable"]}},"whatItIs":"A single complete execution of a periodically repeated phenomenon, in the WordNet sense covering one oscillation of a wave or pendulum, one cardiac cycle of contraction and relaxation, one menstrual cycle, or one pass of a repeated process; the cycle is the unit counted by frequency and the basis of periodic analysis in physics, biology and engineering.","purpose":"Let an agent explain the cycle as one complete repetition, relay how cycles are counted and analysed in physics, biology and engineering from reference sources, describe examples such as oscillation, cardiac and menstrual cycles, and distinguish this sense from bicycles, business cycles and cyclic structures.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Unit of periodicity","Counted by frequency","Cross-field","Homonyms"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What a cycle is.","layers":[{"id":"definition","name":"Definition","description":"Definition.","findings":[{"id":"definition-finding","name":"Definition","description":"Definition.","questions":[{"text":"What is a cycle as one complete repetition, and how does it relate to period and frequency?","kind":"definition"},{"text":"Is the question about this sense, a bicycle, a business cycle or a chemical ring?","kind":"boundary"}]}]},{"id":"examples","name":"Examples","description":"Examples.","findings":[{"id":"examples-finding","name":"Examples","description":"Examples.","questions":[{"text":"What are oscillation, cardiac and menstrual cycles and passes of a process?","kind":"definition"},{"text":"Which entry fits the specific cycle?","kind":"action"}]}]}]},{"id":"physics","name":"Physics","description":"Physics and engineering.","layers":[{"id":"oscillation","name":"Oscillation","description":"Oscillation.","findings":[{"id":"oscillation-finding","name":"Oscillation","description":"Oscillation.","questions":[{"text":"How are cycles analysed in waves, oscillators and signals?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]},{"id":"machines","name":"Machines","description":"Machines and computing.","findings":[{"id":"machines-finding","name":"Machines","description":"Machines.","questions":[{"text":"What are engine cycles, duty cycles and clock cycles?","kind":"provenance"},{"text":"Which sources are cited?","kind":"provenance"}]}]}]},{"id":"biology","name":"Biology","description":"Biological cycles.","layers":[{"id":"cardiac","name":"Cardiac","description":"Cardiac cycle.","findings":[{"id":"cardiac-finding","name":"Cardiac","description":"Cardiac.","questions":[{"text":"What happens in one cardiac cycle, in general terms?","kind":"provenance"},{"text":"Is the user asking about their own heart, which needs a clinician?","kind":"boundary"}]}]},{"id":"menstrual","name":"Menstrual","description":"Menstrual cycle.","findings":[{"id":"menstrual-finding","name":"Menstrual","description":"Menstrual.","questions":[{"text":"What happens in one menstrual cycle, in general terms?","kind":"provenance"},{"text":"Which entry fits menstrual cycle?","kind":"action"}]}]}]},{"id":"context","name":"Context","description":"Homonyms and history.","layers":[{"id":"homonyms","name":"Homonyms","description":"Homonyms.","findings":[{"id":"homonyms-finding","name":"Homonyms","description":"Homonyms.","questions":[{"text":"What are the bicycle, business cycle and cyclic compound senses?","kind":"provenance"},{"text":"Which entry fits the specific homonym?","kind":"action"}]}]},{"id":"history","name":"History","description":"History.","findings":[{"id":"history-finding","name":"History","description":"History.","questions":[{"text":"How did the concept of the cycle and the hertz develop?","kind":"provenance"},{"text":"Which entry fits the history of physics?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Count and measure cycles in signals, oscillations and repeated processes.","Explain the link between cycles, period and frequency.","Distinguish this sense from bicycles, business cycles and cyclic structures."],"mustNot":["Diagnose a person from their heart or menstrual cycle data.","Share cycle-tracking data, such as menstrual records, without the person's consent.","Confuse the count of cycles with the length of one cycle in calculations."],"requiresHuman":["Any use of a person's physiological cycle data in a medical or legal decision."]},"ethics":{"considerations":["Menstrual and heart cycle data are intimate health information.","Errors in counting cycles can mislead engineering and medical readings."],"affectedParties":["People whose cycles are tracked","Engineers and analysts"]},"owners":{"steward":"Nobody owns the concept; the person a physiological cycle belongs to controls their own data.","roles":[],"masterSystems":[]},"relations":[{"target":"oewn-07310808-n","type":"parent","note":"registry parent class"},{"target":"event","type":"related","note":"in general terms"},{"target":"frequency","type":"related","note":"as cycles per unit time"},{"target":"cardiac cycle","type":"related","note":"in physiology"},{"target":"business cycle","type":"related","note":"an economic sense"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.cycle-2","Open English WordNet: oewn-07355638-n","WordNet: oewn-07310808-n a single complete execution of a periodically repeated phenomenon"]},"properties":{"applicability":"not-applicable","items":["frequency unit: hertz, cycles per second note","cardiac cycle at rest: about 0.8 seconds","menstrual cycle: about 28 days - typical"]},"recognition":{"applicability":"optional","items":["One complete repetition of a periodic phenomenon","Oscillation, cardiac cycle, menstrual cycle, pass","A bicycle is a vehicle; a business cycle is economic; cyclic structures are rings","Not a visible object; one repetition on a graph."]},"capabilities":{"applicability":"required","items":["explain the concept","relay analysis","describe examples","distinguish homonyms"]},"hazards":{"applicability":"required","items":["Confusing homonyms","Agents giving medical advice about cardiac or menstrual cycles","Confusing cycle with period"]},"interfaces":{"applicability":"required","items":["SI definition of the hertz","No regulation"]},"context":{"applicability":"required","items":["Counting and analysing repetition.","oscillation cycles in waves and pendulums","engine and machine cycles","biological cycles such as cardiac and menstrual cycles","computational cycles such as clock cycles and passes","daily and seasonal cycles"]}},"sources":[{"title":"Open English WordNet 2024, synset oewn-07355638-n","url":"https://en-word.net/id/oewn-07355638-n","note":"sense and gloss of the concept"},{"title":"Wiktionary: cycle","url":"https://en.wiktionary.org/wiki/cycle","note":"word senses and usage"}],"openQuestions":["Should oscillation, cardiac cycle and menstrual cycle be the primary linked entries?","How should reference sources be linked?","How should the homonyms of cycle be kept apart?"],"resources":{"spec":"/models/things/publications/thing-cycle-2/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-cycle-2/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-13T13:03:31Z","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":"not-applicable","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","interaction.properties":"Plane ACT: no invented physical properties."},"score":1.0}}