Lightweight analysis of operational specifications using inference graphs
ICSE '01 Proceedings of the 23rd International Conference on Software Engineering
An approach to integrating semi-formal and formal notations in software specification
Proceedings of the 2002 ACM symposium on Applied computing
IEEE Transactions on Software Engineering
Composing Models for Detecting Inconsistencies: A Requirements Engineering Perspective
REFSQ '09 Proceedings of the 15th International Working Conference on Requirements Engineering: Foundation for Software Quality
XML-based requirements engineering for an electronic clearinghouse
Information and Software Technology
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Many organizations desire the convenience of using multiple notations within a requirements specification. Rather than using separate tools for each notation, we advocate combining the parts semantically for tool-based analysis. We describe a framework for integrating notations from four distinct categories, namely, 驴models驴, 驴events驴, 驴actions驴, and 驴expressions驴. The categories allow us to view the notations independently, but in a manner whereby they can be combined to create a specification. The categories are implemented as types in higher-order logic. Type checking ensures conformance to the rules for combining notations. Our choice of higher-order logic as a base formalism allows the framework to support notations with uninterpreted constants. With our framework, it is possible to use new combinations of notations without changing existing notations or rebuilding formal analysis tools such as model checkers.