By Felix Kossak, Christa Illibauer, Verena Geist, Jan Kubovy, Christine Natschläger, Thomas Ziebermayr, Theodorich Kopetzky, Bernhard Freudenthaler, Klaus-Dieter Schewe
This ebook presents the main entire formal specification of the semantics of the enterprise technique version and Notation 2.0 general (BPMN) on hand up to now, in a mode that's simply comprehensible for a variety of readers – not just for specialists in formal tools, yet e.g. additionally for builders of modeling instruments, software program architects, or graduate scholars focusing on enterprise approach management.
BPMN – issued by way of the item administration team – is a frequent ordinary for enterprise approach modeling. even if, significant drawbacks of BPMN comprise its restricted aid for organizational modeling, its simply implicit expression of modalities, and its loss of built-in person interplay and information modeling. extra, in lots of situations the syntactical and, particularly, semantic definitions of BPMN are misguided, incomplete or inconsistent. The ebook addresses concrete matters about the execution semantics of commercial strategies and offers a proper definition of BPMN procedure diagrams, that may function a valid foundation for extra extensions, i.e., within the kind of horizontal refinements of the middle language.
To this finish, the summary kingdom computer (ASMs) procedure is used to formalize the semantics of BPMN. ASMs have tested their worth in a variety of domain names, e.g. specifying the semantics of programming or modeling languages, verifying the specification of the Java digital computing device, or formalizing the ITIL swap administration process.
This form of development promotes extra consistency within the interpretation of finished types, in addition to actual exchangeability of types among diverse instruments. within the outlook on the finish of the booklet, the authors finish with providing extensions that tackle actor modeling (including an intuitive method to denote permissions and obligations), integration of user-centric perspectives, a cultured conversation suggestion, and information integration.
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Additional resources for A Rigorous Semantics for BPMN 2.0 Process Diagrams
We discuss these issues in detail. This is not the first attempt to define a rigorous semantics for BPMN, as has already been outlined in Sect. 3. 0 process models . However, the semantic model presented here is considerably more detailed, and we discuss various problems in more detail. We also deviate from the model of Börger and Sörensen in that we explicitly provide for parallel processing of different, concurrent instances of a single process. In this chapter, we only present the most important rules and derived functions.
As the number of locations can be infinite, this would not even be possible in many cases. Instead, it is assumed that all locations which are not stated at the left-hand side of an update statement keep their current value. Thereby the dreaded frame problem is solved, and even in the case of a finite state space, very much overhead is avoided and models can be kept much smaller, to the benefit of overview. This also implies that at each state transition, that is, at each step of the automaton, only finitely many locations change their values.
The set of processes is not supposed to change during runtime in this model. main rule RunTopLevelProcesses = if not abortedByEnvironment then if topLevelProcesses ¤ undef then forall process 2 topLevelProcesses do WorkflowTransitionInterpreter(process) Note that we do not model initialisation or environmental behaviour. We assume a set of processes being given statically (as values of static function locations) and that all the necessary data have been initialised. Interaction with the environment is possible via event triggers (including messages).
A Rigorous Semantics for BPMN 2.0 Process Diagrams by Felix Kossak, Christa Illibauer, Verena Geist, Jan Kubovy, Christine Natschläger, Thomas Ziebermayr, Theodorich Kopetzky, Bernhard Freudenthaler, Klaus-Dieter Schewe