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Selected:Architecture Decision RecordConcept MappingSAAM (Software Architecture Analysis Method)Change Analysis
| Criterion |  Architecture Architecture Decision Record |  Knowledge Modeling Concept Mapping |  Architecture SAAM (Software Architecture Analysis Method) |  Operations Change Analysis |
|---|---|---|---|---|
Purposedifferent | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | Concept Mapping arranges terms and relationships in a network that makes subject-matter connections tangible. It fits when a topic needs to be understood structurally rather than linearly. | SAAM helps teams judge an architecture’s suitability for selected tasks and changes. It is particularly useful for examining modifiability and comparing architecture alternatives with clear reasoning. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. |
Complexitydifferent | Low | Medium | High | Medium |
Timedifferent | 15-45 min | 1-2 h | Preparation, scenario analysis, and findings review; effort depends on scope | 45-120 min |
Participantsdifferent | 1-3 | 1-8 | Architecture experts and stakeholders for scenarios and weighting | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Concept Map, Relationship Labels, Knowledge Gaps | Domain functions mapped to components and connections, Quality attributes and evaluation criteria, Typical tasks and their effects on the architecture, Reasoned evaluation or comparison of alternatives | Change Matrix, Cause Hypotheses, Validation Questions, Action List |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | KnowledgeConceptsMappingSensemaking | ArchitectureChangeAnalysisComparisonQuality | ChangeRoot causeTroubleshootingComparison |