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| Criterion |  Architecture arc42 |  Knowledge Modeling Competency Questions |  Agile Specification by Example |  Agile Acceptance Criteria Workshop |
|---|---|---|---|---|
Purposedifferent | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | 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. | When business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. | When a story needs clear checkpoints before implementation, it sharpens expectation and scope together. It sorts work by value, risk, and delivery ability. The result is captured as Acceptance Criteria and a Story Update. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 1-2 Tage | 2-4 h | 60-90 min pro Feature | 20-40 min pro Story |
Participantsdifferent | 1-4 | 2-8 | 3-6 | 3-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Architecture Document, Context View, Runtime View, Deployment View | Competency Question Set, Required Concepts, Test Queries, Coverage Matrix | Example Table, Acceptance Tests | Acceptance Criteria, Story Update |
Tagsno overlap | ArchitectureDocumentationCommunication | OntologyKnowledge graphScopeRequirementsSemantic | AgileRequirementsExamplesBehavior-Driven Development | AgileRequirementsRefinementBehavior-Driven Development |