Theoretical Computer Science
Partial commutation and traces
Handbook of formal languages, vol. 3
Regular Collections of Message Sequence Charts
MFCS '00 Proceedings of the 25th International Symposium on Mathematical Foundations of Computer Science
Towards Regular Languages over Infinite Alphabets
MFCS '01 Proceedings of the 26th International Symposium on Mathematical Foundations of Computer Science
Compositional Message Sequence Charts
TACAS 2001 Proceedings of the 7th International Conference on Tools and Algorithms for the Construction and Analysis of Systems
A Further Step towards a Theory of Regular MSC Languages
STACS '02 Proceedings of the 19th Annual Symposium on Theoretical Aspects of Computer Science
Model Checking of Message Sequence Charts
CONCUR '99 Proceedings of the 10th International Conference on Concurrency Theory
Beyond Message Sequence Graphs
FST TCS '01 Proceedings of the 21st Conference on Foundations of Software Technology and Theoretical Computer Science
Modelling, Specifying, and Verifying Message Passing Systems
TIME '01 Proceedings of the Eighth International Symposium on Temporal Representation and Reasoning (TIME'01)
Extending Compositional Message Sequence Graphs
LPAR '02 Proceedings of the 9th International Conference on Logic for Programming, Artificial Intelligence, and Reasoning
A theory of regular MSC languages
Information and Computation
A theory of regular MSC languages
Information and Computation
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We establish the concept of regularity for languages consisting of Message Sequence Charts (MSCs). To this aim, we formalise their behaviour by string languages and give a natural definition of regularity in terms of an appropriate Nerode right congruence. Moreover, we present a class of accepting automata and establish several decidability and closure properties of MSC languages. We also provide a logical characterisation by a monadic second-order logic interpreted over MSCs. In contrast to existing work on regular MSC languages, our approach is neither restricted to a certain class of MSCs nor tailored to a fixed communication medium (such as a FIFO channel). It explicitly allows MSCs with message overtaking and is thus applicable to a broad range of channel types like mixtures of stacks and FIFOs.