Arbeitsberichte, FB Informatik
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2007,9
This paper offers an informal overview and discussion on first order predicate logic reasoning systems together with a description of applications which are carried out in the Artificial Intelligence Research Group of the University in Koblenz. Furthermore the technique of knowledge compilation is shortly introduced.
2007,14
This paper shows how multiagent systems can be modeled by a combination of UML statecharts and hybrid automata. This allows formal system specification on different levels of abstraction on the one hand, and expressing real-time system behavior with continuous variables on the other hand. It is not only shown how multi-robot systems can be modeled by a combination of hybrid automata and hierarchical state machines, but also how model checking techniques for hybrid automata can be applied. An enhanced synchronization concept is introduced that allows synchronization taking time and avoids state explosion to a certain extent.
2007,11
In this paper we describe a series of projects on location based and personalised information systems. We start wit a basic research project and we show how we came with the help of two other more application oriented project to a product. This is developed by a consortium of enterprises and it already is in use in the city of Koblenz.
2007,23
In this paper we describe a network for distributing personalized information within a pervasive university. We discuss the system architecture of our Bluetooth-based CampusNews-system, both, from the administrator and the user viewpoint. We furthermore present first statistical data about the usage of the partial installation at the Koblenz campus together with an outlook to future work.
2007,24
In this paper we describe a network for distributing personalized Information in a metropolitan area. We discuss the system architecture of our Bluetooth-based information system as well as the reasoning process that fits users" needs with potential messages. We furthermore present our findings on parallelizing Bluetooth connection setup and performance.
2009,16
This paper proposes model-driven techniques to extend IBM- SOMA method towards migrating legacy systems into Service-Oriented Architectures (SOA). The proposal explores how graph-based querying and transformation techniques enable the integration of legacy assets into a new SOA. The presented approach is applied to the identification and migration of services in an open source Java software system.
2008,11
ERP-Systeme stellen einen wichtigen Kompetenzbereich der Forschungsgruppe Betriebliche Anwendungssysteme (FG BAS) am Institut für Wirtschafts- und Verwaltungsinformatik (IWVI) der Universität Koblenz-Landau dar. In enger Zusammenarbeit mit Partnern aus Wirtschaft und Wissenschaft vermittelt die Forschungsgruppe sowohl Grundlagenforschung als auch praxisbezogenes Wissen an Studierende und Unternehmen. Der vorliegende Arbeitsbericht "Künftige Anforderungen an ERP-Systeme: Deutsche Anbieter im Fokus" beleuchtet auf vier Ebenen die Architektur, die verwendete Technologie, die praktischen Einsatzmöglichkeiten und die allgemeine Marktsituation aktueller ERP-Systeme auf dem deutschsprachigen Markt. Ein besonderer Dank geht in diesem Zusammenhang an Peter Herzog (zum damaligen Zeitpunkt Marketingleiter der Bison AG), der die Idee einer solchen Untersuchung hatte und die FG BAS mit deren Durchführung betraute. Die Studie wurde vom Sommer 2007 bis zum Frühling 2008 von Norbert Frick im Rahmen seiner Diplomarbeit im Fach Informatik durchgeführt. Die Auswertung der Ergebnisse wurde inhaltlich und wissenschaftlich betreut von Prof. Dr. Petra Schubert. Die Arbeit entstand aufgrund von Literaturrecherchen, schriftlichen Umfragen und Telefoninterviews mit ERPAnbietern.
2008,12
Semantic desktop environments aim at improving the effectiveness and efficiency of users carrying out daily tasks within their personal information management infrastructure (PIM). They support the user by transferring and exploiting the explicit semantics of data items across different PIM applications. Whether such an approach does indeed reach its aim of facilitating users" life and—if so—to which extent, however, remains an open question that we address in this paper with the first summative evaluation of a semantic desktop approach. We approach the research question exploiting our own semantic desktop infrastructure, X-COSIM. As data corpus, we have used over 100 emails and 50 documents extracted from the organizers of a conference-like event at our university. The evaluation has been carried out with 18 subjects. We have developed a test environment to evaluate COSIMail and COSIFile, two semantic PIM applications based on X-COSIM. As result, we have found a significant improvement for typical PIM tasks compared to a standard desktop environment.
2009,14
The STOR project aims at the development of a scientific component system employing models and knowledge for object recognition in images. This interim report elaborates on the requirements for such a component system, structures the application area by identifying a large set of basic operations, and shows how a set of appropriate data structures and components can be derived. A small case studies exemplifies the approach.
2011,10
Expert-driven business process management is an established means for improving efficiency of organizational knowledge work. Implicit procedural knowledge in the organization is made explicit by defining processes. This approach is not applicable to individual knowledge work due to its high complexity and variability. However, without explicitly described processes there is no analysis and efficient communication of best practices of individual knowledge work within the organization. In addition, the activities of the individual knowledge work cannot be synchronized with the activities in the organizational knowledge work.rnrnSolution to this problem is the semantic integration of individual knowledgernwork and organizational knowledge work by means of the patternbased core ontology strukt. The ontology allows for defining and managing the dynamic tasks of individual knowledge work in a formal way and to synchronize them with organizational business processes. Using the strukt ontology, we have implemented a prototype application for knowledge workers and have evaluated it at the use case of an architectural fifirm conducting construction projects.