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Title: A two-tier semantic overlay network for P2P search
Authors: Gu, T.
Zhang, D.
Pung, H.K. 
Keywords: Context ontology
Context search
Semantic peer-to-peer network
Issue Date: 2007
Citation: Gu, T.,Zhang, D.,Pung, H.K. (2007). A two-tier semantic overlay network for P2P search. Proceedings of the International Conference on Parallel and Distributed Systems - ICPADS 1. ScholarBank@NUS Repository.
Abstract: This paper proposes a two-tier semantic peer-to-peer network that facilitates efficient search for context information in wide-area networks. Context data with the same semantics are grouped together into a one-dimensional semantic ring space in the upper-tier network. This is achieved by applying an ontology-based semantic clustering technique and dedicating part of node identifiers to correspond to their data semantics. In the lower-tier network, peers in each semantic cluster are organized as Chord identifier space. Thus, all the nodes in the same semantic cluster know which node is responsible for storing context data triples they are looking for, and context queries can be efficiently routed to those nodes. Through the simulation studies, we demonstrate the effectiveness of our proposed scheme. © 2007 IEEE.
Source Title: Proceedings of the International Conference on Parallel and Distributed Systems - ICPADS
ISBN: 9781424418909
ISSN: 15219097
DOI: 10.1109/ICPADS.2007.4447754
Appears in Collections:Staff Publications

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