Spin model checker, the: primer and reference manual
Spin model checker, the: primer and reference manual
The Resultmaker Online Consultant: From Declarative Workflow Management in Practice to LTL
EDOCW '08 Proceedings of the 2008 12th Enterprise Distributed Object Computing Conference Workshops
From Dynamic Condition Response Structures to Büchi Automata
TASE '10 Proceedings of the 2010 4th IEEE International Symposium on Theoretical Aspects of Software Engineering
Safe distribution of declarative processes
SEFM'11 Proceedings of the 9th international conference on Software engineering and formal methods
A declarative approach for flexible business processes management
BPM'06 Proceedings of the 2006 international conference on Business Process Management Workshops
Nested dynamic condition response graphs
FSEN'11 Proceedings of the 4th IPM international conference on Fundamentals of Software Engineering
A process-oriented event-based programming language
Proceedings of the 6th ACM International Conference on Distributed Event-Based Systems
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We propose the recently introduced declarative and event-based Dynamic Condition Response (DCR) Graphs process model as a formal basis for modular implementation of context-sensitive and aspect-oriented processes. The proposal is supported by a new join operator allowing modular composition and refinement of DCR Graphs. We give small illustrative examples of DCR Graphs defining context-sensitive processes where context-events dynamically enable and disable the need for authentication and the join operator is used to add authentication to a process. Finally, we discuss the use of formal verification to ensure that processes satisfy safety and liveness properties, and define two liveness properties (deadlock freedom and liveness) that can be verified directly on the state graph for DCR Graphs.