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 ordinary (BPMN) to be had so far, in a mode that's simply comprehensible for quite a lot 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 company procedure management.
BPMN – issued via the article administration staff – is a regularly occurring regular for company strategy modeling. notwithstanding, significant drawbacks of BPMN contain its restricted aid for organizational modeling, its merely implicit expression of modalities, and its loss of built-in consumer interplay and knowledge modeling. additional, in lots of circumstances the syntactical and, particularly, semantic definitions of BPMN are faulty, incomplete or inconsistent. The booklet addresses concrete concerns in regards to the execution semantics of industrial techniques and offers a proper definition of BPMN method diagrams, that could function a valid foundation for extra extensions, i.e., within the type of horizontal refinements of the center language.
To this finish, the summary kingdom computing device (ASMs) approach is used to formalize the semantics of BPMN. ASMs have confirmed their worth in quite a few domain names, e.g. specifying the semantics of programming or modeling languages, verifying the specification of the Java digital desktop, or formalizing the ITIL swap administration process.
This type of development promotes extra consistency within the interpretation of entire types, in addition to actual exchangeability of types among varied instruments. within the outlook on the finish of the booklet, the authors finish with presenting extensions that deal with actor modeling (including an intuitive option to denote permissions and obligations), integration of user-centric perspectives, a elegant conversation thought, and information integration.
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Additional resources for A Rigorous Semantics for BPMN 2.0 Process Diagrams
1 General Features of the ASM Method 21 as (trivially) true (see stepwise refinement below). Then the guard is the conjunction of all these conditions (with the possibility that some of them are trivially true in a particular case): rule NodeTransition : flowNodes rule NodeTransition(flowNode) = if eventCondition(flowNode) and controlCondition (flowNode) and dataCondition(flowNode) and resourceCondition(flowNode) then parblock EventOperation(flowNode) ControlOperation (flowNode) DataOperation(flowNode) ResourceOperation(flowNode) endparblock ASMs are particularly suitable for (potential) parallel processing, synchronous as well as asynchronous.
G. for producing tokens of the original (triggering) parent process instance after the sub-process has completed. Furthermore, an instance should carry correlation information (if available) so messages with this correlation information can be caught by the right instance. To be available, this correlation information must have been relayed with the event which started the top-level process instance. (We will enlarge on this concept in Sect. ) rule CreateInstance : flowNodes instances correlationInfo !
An end event ends the flow of activities, that is, it will typically (under certain conditions) terminate a process instance. g. send a message to another process or to the environment. An end event is depicted by a thick-line circle. In our example, we have two end events (see Fig. 0 Process Diagrams completion of the process (“Finished”, at the bottom) and one for premature abortion in case no permission is obtained (“Aborted”, on top). Note that several end events can lead to confusion and cause design errors; thus, a diagram should be graphically designed such that all end events are easily seen at first sight.
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