Bibster — A Semantics-Based Bibliographic Peer-to-Peer System

Peter Haase, Jeen Broekstra, Marc Ehrig, Maarten Menken, Peter Mika, Michal Plechawski, Pawel Pyszlak, Björn Schnizler, Ronny Siebes, Steffen Staab, Christoph Tempich


This paper describes the design and implementation of Bibster, a Peer-to-Peer system for exchanging bibliographic data among Computer Science researchers. Bibster exploits ontologies in data-storage, query formulation, query-routing and answer presentation: When bibliographic entries are made available for use in Bibster, they are structured and classified according to two different ontologies. This ontological structure is then exploited to help user formulate their queries. Subsequently, the ontologies are used to improve query routing across the Peer-to-Peer network. Finally, the ontologies are used to post-process the returned answers in order to do duplicate detection. The paper describes each of these ontology-based aspects of Bibster. Bibster is fully implemented on top of the JXTA platform, and is about to be rolled out for field testing.


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