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| Criterion |  Knowledge Modeling Ontology Design Patterns |  Operations Family Tree Analysis |  Operations Causal Factor Analysis |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | Ontology Design Patterns provide reusable building blocks for recurring modeling problems. The method brings structure to the search for clean concepts, relationships, and roles. | For a series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | 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 | Medium | Medium | High | Medium |
Timedifferent | 1-3 h pro Pattern | 2-4 h | 2-6 h | 2-4 h |
Participantsdifferent | 1-6 | 2-6 | 3-10 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Selected Patterns, Adapted Schema Fragments, Pattern Documentation | Family Tree Diagram, Pattern Notes, Systemic Measures | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | OntologyPatternsReuseSemanticModeling | Root causePatternsIncidentSystemic | CausalityIncidentRoot causeTimeline | Root causeSafetyIncident |