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| Criterion |  Domain Modeling EventStorming |  Knowledge Modeling Event Modeling |  Knowledge Modeling IBIS |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
Purposedifferent | When a domain consists of many events, rules, and states, it creates a shared modeling space for the team. It bundles language, flows, and boundaries before domain knowledge fragments into siloed views. | Event Modeling connects business workflows with commands, events, and views into one coherent mental model. It helps design behavior, UI, and technical slices from the same underlying logic. | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 2-8 h | 2-6 h | 1-3 h | 45-90 min |
Participantsdifferent | 5-12 | 2-8 | 2-8 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Event Model, UI Flow, Commands, Read Models | Issue Map, Positions, Argument Notes | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | Domain-Driven DesignEventsDiscoveryWorkshop | EventsBlueprintDomain-Driven DesignBehavior | RationaleKnowledgeDecision | AssumptionsRiskDecisionDiscovery |