By Felix Kossak, Christa Illibauer, Verena Geist, Jan Kubovy, Christine Natschläger, Thomas Ziebermayr, Theodorich Kopetzky, Bernhard Freudenthaler, Klaus-Dieter Schewe
This ebook offers the main entire formal specification of the semantics of the enterprise technique version and Notation 2.0 commonplace (BPMN) on hand to this point, in a method that's simply comprehensible for a variety of readers – not just for specialists in formal equipment, yet e.g. additionally for builders of modeling instruments, software program architects, or graduate scholars focusing on enterprise technique management.
BPMN – issued by way of the article administration crew – is a well-known typical for company strategy modeling. in spite of the fact that, significant drawbacks of BPMN comprise its constrained aid for organizational modeling, its in simple terms implicit expression of modalities, and its loss of built-in consumer interplay and knowledge modeling. extra, in lots of instances the syntactical and, particularly, semantic definitions of BPMN are faulty, incomplete or inconsistent. The e-book addresses concrete concerns in regards to the execution semantics of industrial tactics and gives a proper definition of BPMN technique diagrams, that may function a valid foundation for additional extensions, i.e., within the kind of horizontal refinements of the middle language.
To this finish, the summary country desktop (ASMs) approach is used to formalize the semantics of BPMN. ASMs have tested their worth in numerous domain names, e.g. specifying the semantics of programming or modeling languages, verifying the specification of the Java digital computer, or formalizing the ITIL swap administration process.
This form of development promotes extra consistency within the interpretation of accomplished versions, in addition to actual exchangeability of types among diversified instruments. within the outlook on the finish of the booklet, the authors finish with offering extensions that handle actor modeling (including an intuitive solution to denote permissions and obligations), integration of user-centric perspectives, a cultured verbal exchange thought, and knowledge integration.
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Additional resources for A Rigorous Semantics for BPMN 2.0 Process Diagrams
428; see also Fig. 7). Furthermore, the fact that instances in Ready or Active states should not be interrupted is also counter-intuitive considering the motivation we gave at the start of this section. We consider the quoted text to be erroneous and consider only final states as exemptions for interruption. The rule InterruptActivity performs all necessary steps if an interrupting event has occurred during the execution of an activity. It ignores interrupting events if the activity is in a final lifecycle state; otherwise, all running, non-interrupting event sub-processes and all active or ready activities are interrupted.
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.
While we do not consider collaboration and conversation diagrams, we at least have to provide for the possibility of communication between one process and its environment, including other processes. The environment as a whole is taken for granted here (we will provide a proposal in a follow-up to this book), but the possibility to run different processes in parallel is modelled in the ground model for process diagrams in the rule RunTopLevelProcesses, which is the main rule of this ASM. An example for different processes running independently of each other but communicating with each other might be an internal order from one division by another division of the same company.