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| Criterion |  Operations Fishbone Diagram |  Knowledge Modeling Competency Questions |  Operations Fault Tree Analysis |
|---|---|---|---|
Purposedifferent | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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. |
Complexitydifferent | Low | Medium | High |
Timedifferent | 30-60 min | 2-4 h | 2-6 h |
Participantsdifferent | 2-8 | 2-8 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | Competency Question Set, Required Concepts, Test Queries, Coverage Matrix | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions |
Tagsno overlap | Root causeQualityOperations | OntologyKnowledge graphScopeRequirementsSemantic | RiskRoot causeSafety |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
