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| Criterion |  Knowledge Modeling Linked Open Terms |  Product Discovery Assumption Mapping |  Product Discovery Test Card |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | Linked Open Terms connects terminology work with linked-data thinking and makes terminology technically connectable. Vocabulary, meanings, and references can thereby be maintained consistently. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | Wochen bis Monate | 45-60 min | 20-35 min | 1-5 Tage |
Participantsdifferent | 2-8 | 2-8 | 1-5 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Ontology Requirements, Conceptual Model, Published Ontology, Documentation, Maintenance Plan | Assumption map, Test backlog, Risk ranking | Test Card with a pre-set threshold | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | OntologyMethodologyAgileSemantic | AssumptionsRiskExperimentsValidation | ExperimentsValidationDiscoveryHypothesis | ValidationExperimentsDemandDiscovery |