On tractability from requirements to architecture in product line software engineering

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PLSE(Product Line Software Engineering) has been expected to be another breakthrough to the high productivity. We proposed and validated the methods for constructing product line architecture allowing for non-functional as well as functional requirements, and for ensuring tractability between requirements for the software and the architecture. Based on the methods, we also discussed about the issues on architecture-level pre-execution check, code inspection, and tools for generating codes from the architecture.