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| Criterion |  Knowledge Modeling Competency Questions |  Operations Fault Tree Analysis |  Knowledge Modeling NeOn Methodology |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | Competency Questions translate a domain model into concrete questions that it must be able to answer. The method keeps the model's scope clean and prevents pretty but useless structures. | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | The NeOn Methodology structures ontology work as a controlled process with reuse, scenarios, and reviews. It is useful when ontologies should not emerge ad hoc but modularly and reusably. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. |
Complexitydifferent | Medium | High | High | High |
Timedifferent | 2-4 h | 2-6 h | Mehrere Wochen bis Monate | 2-6 h |
Participantsdifferent | 2-8 | 3-8 | 2-10 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Competency Question Set, Required Concepts, Test Queries, Coverage Matrix | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Ontology Requirements Specification, Reuse Plan, Ontology Modules, Evaluation Report | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | OntologyKnowledge graphScopeRequirementsSemantic | RiskRoot causeSafety | OntologyMethodologyReuseSemanticEngineering | RiskQualityOperationsRoot cause |