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Author

  • Gregor Scheithauer (3) (remove)

Year of publication

  • 2008 (2)
  • 2006 (1)

Document Type

  • Verschiedenartige Texte (3) (remove)

Keywords

  • SOA (2)
  • BPMS (1)
  • Dienst-orientierte Architektur (1)
  • Dienstbeschreibungen (1)
  • Mehragentensystem / Agent <Informatik> / Online-Publikation (1)
  • Multi-Agent-Systeme (1)
  • Prozesskette / Managementinformationssystem / Online-Publikation (1)
  • Reputation management (1)
  • Service Description (1)
  • Service Ecosystems (1)

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Show/Hide Abstract A Service Description Framework for Service Ecosystems (2008)
Gregor Scheithauer Matthias Winkler
Recently, service orientation has strongly influenced the way enterprise applications are built. Service ecosystems, which provide means to trade services between companies like goods, are an evaluation of service orientation. To allow service ordering, discovering, selection, and consumption, a common way to describe services is a necessity. This paper discusses existing approaches to describe certain service aspects. Finally, a Service Description Framework for service ecosystems is proposed and exemplified.
Show/Hide Abstract Applying Business Process Management Systems - a Case Study (2008)
Gregor Scheithauer Guido Wirtz
Business Process Management Systems (BPMS) aim to support the Business Process Management paradigm and to ease legacy application integration. Often, they rely on Service-oriented Architecture (SoA). However, do such systems really meet real-world requirements? This paper introduces and discusses a set of criteria which are important for BPMS and applies these criteria in comparing tools from three important vendors, namely IDS Scheer, Oracle and Intalio based on a case study.
Show/Hide Abstract Decentralized Reputation Management for Cooperating Software Agents in Open Multi-Agent Systems (2006)
Marco Fischer Andreas Grünert Sebastian Hudert Stefan König Kira Lenskaya Gregor Scheithauer Sven Kaffille Guido Wirtz
Multi-Agent Systems (MAS) promise a new advance in distributed computing. In MAS autonomous software agents flexibly cooperate, coordinate, and compete to provide the desired function(s) of such a system. If some components of a MAS fail or do not provide the desired functionality, the system is expected to autonomously deal with these situations. It is desirable to reduce occurrences of such situations by selecting trustworthy cooperation partners before cooperating with them. This becomes even more desirable and important in an open MAS where arbitrary heterogeneous software agents, deployed by different parties, participate in the MAS, as it becomes more likely that these agents fail or try to exploit the MAS for their own purposes without reciprocation. In order to monitor agent behavior and enable selection of trustworthy cooperation partners, trust or reputation management services can be applied. As there is no central control in an open MAS and it is completely distributed these services themselves have to be distributed. This paper proposes a fully distributed reputation management service for open MAS based on peer-to-peer technology (especially distributed hash tables). A Java-based implementation of that service, which is intended as a plug-in for multi-agent platforms, is also described.

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