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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Knowledge Modeling Competency Questions |
|---|---|---|
Purposedifferent | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. | 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. |
Complexitydifferent | High | Medium |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 2-4 h |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 2-8 |
Formatsame | Workshop + async | Workshop + async |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Competency Question Set, Required Concepts, Test Queries, Coverage Matrix |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | OntologyKnowledge graphScopeRequirementsSemantic |
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