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| Criterion |  Operations 5 Whys |  Knowledge Modeling NeOn Methodology |  Operations Root Cause Tree Analysis |
|---|---|---|---|
Purposedifferent | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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 problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitydifferent | Low | High | Medium |
Timedifferent | 15-30 min | Mehrere Wochen bis Monate | 1-3 h |
Participantsdifferent | 2-6 | 2-10 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Root cause notes, Countermeasures | Ontology Requirements Specification, Reuse Plan, Ontology Modules, Evaluation Report | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | Root causeIncidentLeanProblem solving | OntologyMethodologyReuseSemanticEngineering | Root causeTreeIncidentQuality |
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