By Felix Kossak, Christa Illibauer, Verena Geist, Jan Kubovy, Christine Natschläger, Thomas Ziebermayr, Theodorich Kopetzky, Bernhard Freudenthaler, Klaus-Dieter Schewe
This booklet offers the main entire formal specification of the semantics of the company technique version and Notation 2.0 common (BPMN) on hand thus far, 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 means of the thing administration staff – is a time-honored ordinary for enterprise technique modeling. although, significant drawbacks of BPMN contain its constrained help for organizational modeling, its basically implicit expression of modalities, and its loss of built-in person interplay and information modeling. additional, in lots of situations the syntactical and, specifically, semantic definitions of BPMN are misguided, incomplete or inconsistent. The publication addresses concrete matters about the execution semantics of commercial procedures and offers a proper definition of BPMN procedure diagrams, which may function a valid foundation for extra extensions, i.e., within the type of horizontal refinements of the middle language.
To this finish, the summary nation laptop (ASMs) technique is used to formalize the semantics of BPMN. ASMs have proven their worth in a number of domain names, e.g. specifying the semantics of programming or modeling languages, verifying the specification of the Java digital desktop, or formalizing the ITIL switch administration process.
This form of development promotes extra consistency within the interpretation of accomplished versions, in addition to genuine exchangeability of types among diverse instruments. within the outlook on the finish of the e-book, the authors finish with offering extensions that handle actor modeling (including an intuitive approach to denote permissions and obligations), integration of user-centric perspectives, a elegant communique idea, and information integration.
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Extra info for A Rigorous Semantics for BPMN 2.0 Process Diagrams
Springer International Publishing Switzerland 2014 F. 0 developed by Christine Natschläger . 1 Process Diagrams We start with a brief, general introduction to process diagrams. A process diagram is a graphical representation of a process. A process is a well-defined succession of activities designed to achieve a particular goal—deliver a service, procure raw materials, grant or reject an application, etc. (cf. [95, p. 145]). More precisely, a process can comprise several (or many) variants of successions of activities which allow for different courses of action under different circumstances, though the overall goal remains the same.
Fig. 2). Other factors have to be considered as well: for a flow node to fire, it may be necessary that suitable triggers are available, that necessary data are available, and/or that certain resources are available (like someone sitting at a particular desk, a Web service, or a printer). In between consuming and producing tokens, actions will have to be taken: the actual work of an activity has to be done, and an event may have to be thrown, data written and resources released. This means that before a flow node can fire, we have to check controlConditions (the availability of tokens), eventConditions (the availability of triggers), dataConditions, and resourceConditions.
Then when the work of the flow node is done, the enabling tokens are consumed and new tokens of the same instance are placed on the outgoing sequence flows, thereby passing on control to the next flow node(s) (cf. Fig. 2). Control flow ends for an instance when end events have consumed all its tokens. End events do not produce new tokens. In this section we specify rules for producing and consuming tokens, which will be used throughout the transition rules for different types of flow nodes (see Sect.
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