Communicating sequential processes
Communicating sequential processes
The B-book: assigning programs to meanings
The B-book: assigning programs to meanings
ZB '02 Proceedings of the 2nd International Conference of B and Z Users on Formal Specification and Development in Z and B
Introducing Dynamic Constraints in B
B '98 Proceedings of the Second International B Conference on Recent Advances in the Development and Use of the B Method
A Systematic Approach to Transform OMT Diagrams to a B Specification
FM '99 Proceedings of the Wold Congress on Formal Methods in the Development of Computing Systems-Volume I - Volume I
csp2B: A Practical Approach to Combining CSP and B
FM '99 Proceedings of the Wold Congress on Formal Methods in the Development of Computing Systems-Volume I - Volume I
How to Verify Dynamic Properties of Information Systems
SEFM '04 Proceedings of the Software Engineering and Formal Methods, Second International Conference
Proving event ordering properties for information systems
ZB'03 Proceedings of the 3rd international conference on Formal specification and development in Z and B
Synthesizing b specifications from EB3 attribute definitions
IFM'05 Proceedings of the 5th international conference on Integrated Formal Methods
Mapping object diagrams into B specifications
Methods'96 Proceedings of the 1996 international conference on Methods Integration
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On one hand, eb3 is a trace-based formal language created for the specification of information systems (IS). In particular, eb3 points out the dynamic behaviour of the system. On the other hand, B is a state-based formal language well adapted for the specification of the IS static properties. We are defining a new approach called eb4 that integrates both eb3 and B to specify IS. eb3 process expressions are used to represent and validate the behaviour of the system. Then, the specification is translated into B in order to specify and verify the main static properties of the IS. In this paper, we deal with the refinement of eb3 process expressions into B specifications. Since this process cannot be automated, we define refinement patterns that can be reused to obtain B specifications that refine the event ordering properties specified in eb3.