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| Criterion |  Operations Fault Tree Analysis |  Knowledge Modeling NeOn Methodology |  Operations Barrier Analysis |
|---|---|---|---|
Purposedifferent | 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 risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. |
Complexitydifferent | High | High | Medium |
Timedifferent | 2-6 h | Mehrere Wochen bis Monate | 2-4 h |
Participantsdifferent | 3-8 | 2-10 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Ontology Requirements Specification, Reuse Plan, Ontology Modules, Evaluation Report | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | RiskRoot causeSafety | OntologyMethodologyReuseSemanticEngineering | Root causeSafetyIncident |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
