NIPPERS: Network of InterPolated PeERS for Web Service Discovery

  • Authors:

  • Ch. Makris;E. Sakkopoulos;S. Sioutas;P. Triantafillou;A. Tsakalidis;B. Vassiliadis

  • Affiliations:

  • University of Patras, Greece;RA Computer Technology Institute, Patras, Greece/ University of Patras, Greece;University of Patras, Greece;RA Computer Technology Institute, Patras, Greece/ University of Patras, Greece;RA Computer Technology Institute, Patras, Greece/ University of Patras, Greece;Hellenic Open University, Patras, Greece

  • Venue:
  • ITCC '05 Proceedings of the International Conference on Information Technology: Coding and Computing (ITCC'05) - Volume II - Volume 02
  • Year:
  • 2005

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Abstract

Web services are becoming an important enabler of the Semantic Web. Besides the need for a rich description mechanism, Web Service information should be made available in an accessible way for machine processing. In this paper, we propose a new P2P basedapproach for Web Services discovery. Peers that store Web Services information, such as data item descriptions, are efficiently located using a scalable and robust data indexing structure for Peer-to-Peer data networks, NIPPERS. We present a theoretical analysis which shows that the communication cost of the query and update operations scale double-logarithmically with the number of NIPPERS nodes. Furthermore, we show that the network is robust with respect to failures fulfilling quality of web services requirements.