By Felix Kossak, Christa Illibauer, Verena Geist, Jan Kubovy, Christine Natschläger, Thomas Ziebermayr, Theodorich Kopetzky, Bernhard Freudenthaler, Klaus-Dieter Schewe

ISBN-10: 3319099302

ISBN-13: 9783319099309

ISBN-10: 3319099310

ISBN-13: 9783319099316

This booklet presents the main whole formal specification of the semantics of the company procedure version and Notation 2.0 regular (BPMN) on hand so far, in a method 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 company method management.

BPMN – issued via the article administration crew – is a prevalent regular 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 concerns in regards to the execution semantics of commercial techniques and gives a proper definition of BPMN technique diagrams, which 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 kingdom desktop (ASMs) procedure is used to formalize the semantics of BPMN. ASMs have verified their price in a variety 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 type of development promotes extra consistency within the interpretation of entire versions, in addition to genuine exchangeability of versions among diverse instruments. within the outlook on the finish of the publication, the authors finish with featuring extensions that deal with actor modeling (including an intuitive option to denote permissions and obligations), integration of user-centric perspectives, a sophisticated communique suggestion, and information integration.

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Additional info for A Rigorous Semantics for BPMN 2.0 Process Diagrams

Example text

In every state transition of an ASM, the value in one or more locations is changed. Such a change is stated by one or more updates of the form myFunction(parameter1, parameter2, : : :) := newValue newValue can thereby also be calculated from the old value in this location, as in “f(x) := f(x) C 1”. One state transition is affected by a set of such updates, all of which are supposed to be performed simultaneously. For instance, the following is a possible update set for our simple example: { lifecycleState(InstanceA, Activity1) := " Com pl et ed " , add newToken(InstanceB) to tokensInSequenceFlow(SequenceFlow2) } whereby the latter update statement abbreviates: tokensInSequenceFlow(SequenceFlow2) := tokensInSequenceFlow(SequenceFlow2) [ {newToken(InstanceB)} In contrast to most other state-based methods, there is no need to explicitly state that the values in certain locations remain the same as before.

In the example given above, lifecycleState and tokensInSequenceFlow are such functions. In this context, functions can be seen as tables in which values are stored—one value for each combination of parameter values. For instance, in the example above, there is one value of lifecycleState for each activity. There may be more parameters, however. For instance, in the semantic model introduced in this book, the function lifecycleState is also dependent on an instance—Activity1 can be “Active” with one instance and “Completed” with another instance, for instance: { lifecycleState(InstanceA, Activity1) = " A c t i v e ", lifecycleState(InstanceB, Activity1) = " Com pl et ed " } A particular combination of parameter values for a function is called a location.

E. the number of elements of X . e. ordered collections with a fixed length (also called sequences or arrays), are constructed using square brackets, as in “result WD Œx; y; z”. In the case of an ordered collection (such as a tuple), we denote with “collectionŒi ” the i th element; for instance, taking the example above, “resultŒ2” would return y. e. primitive types) start with a capital letter. Custom universes start with a small letter. Function names start with a small letter. Rule names start with a capital letter.

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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


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