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Super-peer-based routing and clustering strategies for RDF-based peer-to-peer networks


Wolfgang Nejdl, Martin Wolpers, Wolf Siberski, Christoph Schmitz, Mario Schlosser, Ingo Brunkhorst, Alexander Löser



Published: 2003

Buchtitel: Proc. 12th International World Wide Web Conference. Budapest, 20.-24.5.2003
Seiten: 536-543
Referierte Veröffentlichung
BibTeX

Kurzfassung
RDF-based P2P networks have a number of advantages compared to simpler P2P networks such as Napster, Gnutella or to approaches based on distributed indices on binary keys such as CAN and CHORD. RDF-based P2P networks allow complex and extendable descriptions of resources instead of fixed and limited ones, and they provide complex query facilities against these metadata instead of simple keyword-based searches. In this paper we will discuss RDF-based P2P networks like Edutella as a specific example of a new type of P2P networks - schema-based P2P networks - and describe the use of super-peer based topologies for these networks. Super-peer based networks can provide better scalability than broadcast based networks, and provide support for inhomogeneous schema-based networks, with different metadata schemas and ontologies (crucial for the Semantic Web). Based on (dynamic) metadata routing indices, stated in RDF, the super-peer network supports sophisticated routing and distribution strategies, as well as preparing the ground for advanced mediation and clustering functionalities.

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Projekt

PADLR



Forschungsgruppe

Wissensmanagement


Forschungsgebiet
Semantic Web, Web Science, E-Learning


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