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2004
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Peer Selection in Peer-to-Peer Networks with Semantic Topologies

8 years 8 months ago
Peer Selection in Peer-to-Peer Networks with Semantic Topologies
Peer-to-Peer systems have proven to be an effective way of sharing data. Modern protocols are able to efficiently route a message to a given peer. However, determining the destination peer in the first place is not always trivial. Especially in a distributed knowledge management setting [8], knowing the right peers for answering a given query can be difficult. We propose a model in which peers advertise their expertise in the Peer-to-Peer network. The knowledge about the expertise of other peers forms a semantic topology. Based on the semantic similarity between the subject of a query and the expertise of other peers, a peer can select appropriate peers to forward queries to, instead of broadcasting the query or sending it to a random set of peers. For our similarity measure we assume that the peers share the same ontology. We evaluate the model in a bibliographic scenario, where peers share bibliographic descriptions of publications among each other. In simulation experiments we s...
Peter Haase, Ronny Siebes, Frank van Harmelen
Added 01 Jul 2010
Updated 01 Jul 2010
Type Conference
Year 2004
Where ICSNW
Authors Peter Haase, Ronny Siebes, Frank van Harmelen
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