Auflistung nach Autor:in "Geiger, Matthias"
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- KonferenzbeitragBPMN 2.0 Serialization - Standard Compliance Issues and Evaluation of Modeling Tools(Enterprise Modelling and Information Systems Architectures (EMISA 2013), 2013) Geiger, Matthias; Wirtz, GuidoBusiness Process Model and Notation (BPMN) 2.0 process models are used more and more, both in practice as in academia. Although academic research mainly focuses on sophisticated semantic checks and extensions there still exist problems in the basic usage of BPMN. This paper investigates issues in BPMN model serializations which arise as a result of the complexity and inconsistency of the standard document. We present a set of serialization constraints as a starting point for sophisticated compliance checks on serialized BPMN models. Furthermore, these constraints are used to perform an evaluation of current modeling tools. This evaluation reveals that the creation of standard compliant models is still a non-trivial endeavor.
- ZeitschriftenartikelProcess Engine Benchmarking with Betsy in the Context of ISO/IEC Quality Standards(Softwaretechnik-Trends Band 36, Heft 3, 2016) Geiger, Matthias; Harrer, Simon; Lenhard, JörgBusiness process management and automation has been the focus of intense research for a long time. Today, a plethora of process languages for specifying and implementing process models have evolved. Examples for such languages are established international standards, such as BPEL 2.0 or, more recently, BPMN 2.0. Implementations of these standards which are able to execute models, so called process engines, differ in their quality of service, e.g., in performance or usability, but also in the degree to which they actually implement a given standard. Selecting the “best” engine for a particular use case is hard, as none of the existing process standards features an objective certification process to assess the quality of its implementations. To fill this gap, we present the current achievements in process engine benchmarking and point out future directions.