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Selected:Risk StormingShape-First ModelingATAM (Architecture Tradeoff Analysis Method)Assumption Mapping
| Criterion |  Architecture Risk Storming |  Knowledge Modeling Shape-First Modeling |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. | Shape-First Modeling defines data quality through shapes before implementation or integration frays at the edges. The approach fits when validation and data contracts should be part of the design from the start. | 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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Low | Medium | High | Medium |
Timedifferent | 60-90 min | Halber Tag pro Domain Slice | Several meetings plus preparation and analysis; total effort depends on scope | 45-60 min |
Participantsdifferent | 4-12 | 1-4 | Evaluation team, architects, and relevant stakeholders | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Annotated Diagram, Prioritized Risk List, Action Backlog | SHACL or ShEx Shapes, Validation Reports, Data Contracts, Shape Documentation | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | RiskArchitectureWorkshopValidation | Knowledge graphValidationSemantic | ArchitectureQualityRiskTradeoffsStakeholders | AssumptionsRiskExperimentsValidation |