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In a research project funded by the German Research Foundation, meteorologists, data publication experts, and computer scientists optimised the publication process of meteorological data and developed software that supports metadata review. The project group placed particular emphasis on scientific and technical quality assurance of primary data and metadata. At the end, the software automatically registers a Digital Object Identifier at DataCite. The software has been successfully integrated into the infrastructure of the World Data Center for Climate, but a key was to make the results applicable to data publication processes in other sciences as well.
YAWL (Yet Another Workflow Language) is an open source Business Process Management System, first released in 2003. YAWL grew out of a university research environment to become a unique system that has been deployed worldwide as a laboratory environment for research in Business Process Management and as a productive system in other scientific domains.
Zu den wichtigen und notwendigen Aufgaben von Personalabteilungen gehört die Darstellung der Organisationsstrukturen eines Unternehmes. Das im Folgenden beschriebene Verfahren basiert auf der Softwarelösung "Ingentis-OrgManager", die eine Darstellung der Organisationsstruktur in Form von Organigrammen auf der Basis von Daten ermöglicht, die zumeist ohnehin im Personalwirtschaftssystem enthalten sind. Der Autor beschreibt das Verfahren, die Voraussetzungen für den Einsatz der Software und bisherigen Erfahrungen.
Comparison of the subject-oriented and the Petri net based approach for business process automation
(2015)
The subject-oriented modelling approach [5] significally differs from the classic Petri net based approach of many business process modeling languages like EPC [9], Business Process Model and Notation (BPMN) [11], and also Yet Another Workflow Language (YAWL) [10]. In this work, we compare the two approaches by modeling a case study called "Procure to Pay"[3], a typical business process where some equipment for a construction site is rented and finally paid. The case study is not only modelled but also automated using the Metasonic Suite for the subject-oriented and YAWL for the Petri net based approach.
We present a type inference algoritm and its verification for an object-oriented programming language called O'SMALL. O'SMALL is a class-based language with imperative features. Classes are not first-class citizens. No type declarations are required. Type inference operates on an extended lambda-calculus into which O'SMALL is translated. The system features extensible record types, mu-types, and imperative types. This work belongs to both theoretical and practical computer science. In the theoretical part, the type inference algoritm for our lambda-calculus with records is formalized in order-sorted logic. In the practical part, the algoritm for let-polymorphism and imperative features is based on well-known approaches. These approaches are presented in a new fashion but they are not proven correct.
Communicating Sequential Processes (CSP) [7] is a calculus for concurrent systems that has been the basis of subject-oriented business process management (S-BPM) [4]. We use CSPm -- a machine readable dialect of CSP -- to create a sequence of models for a case study on an "Automated Teller Machine" [1]. We use the refinement checker FDR2 to prove that certain models are correct implementations of specifications.
YAWL User Group
(2012)
