Modeling concurrency with partial orders
International Journal of Parallel Programming
Message Sequence Graphs and Decision Problems on Mazurkiewicz Traces
MFCS '99 Proceedings of the 24th International Symposium on Mathematical Foundations of Computer Science
Syntactic Detection of Process Divergence and Non-local Choice inMessage Sequence Charts
TACAS '97 Proceedings of the Third International Workshop on Tools and Algorithms for Construction and Analysis of Systems
An Analyser for Mesage Sequence Charts
TACAs '96 Proceedings of the Second International Workshop on Tools and Algorithms for Construction and Analysis of Systems
Non-local choice and beyond: intricacies of MSC choice nodes
FASE'05 Proceedings of the 8th international conference, held as part of the joint European Conference on Theory and Practice of Software conference on Fundamental Approaches to Software Engineering
Dealing with non-local choice in IEEE 1073.2's standard for remote control
SAM'04 Proceedings of the 4th international SDL and MSC conference on System Analysis and Modeling
A framework for pathologies of message sequence charts
Information and Software Technology
On the realizability of collaborative services
Software and Systems Modeling (SoSyM)
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Some confusing Message Sequence Charts are identified, that can be considered as syntactically correct, but may lead to ambiguous interpretations. The first kind of MSC identified appears when parallel components of a parallel frame synchronize implicitly to continue an execution. The second case is called non-local choice, and appears when more than one instance is responsible for a choice. Non-local choice has already been studied before. This paper provides an extension of the definitions and corresponding detection algorithms. The third case is confluent MSCs, and appears when concurrency is expressed through a choice.