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New Technology of Library and Information Service  2009, Vol. Issue (9): 51-56    DOI: 10.11925/infotech.1003-3513.2009.09.09
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P2P Search Approach Based on Query Expansion and Node Aggregation
Yang Jing   Wang Yamin
(School of Economics and Management, Xidian University, Xi’an 710071, China)
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Abstract  

This paper proposes an approach based on query expansion and node aggregation under the unstructured peer-to-peer network. This approach can find the relationships of keywords and nodes automatically, then it records the information on each local node and updates its knowledge base  continuously. In the future retrieval, the purpose of keywords relationship is to increase hit goals，and the purpose of similar nodes aggregation is to decrease the search scope. Simulation experiment results prove that this approach has high search hit rate and accuracy.
Key words： P2P      Unstructured      Relationship      Query expansion      Node aggregation     
Received: 11 August 2009      Published: 25 September 2009
: 

TP393

 		 
Corresponding Authors: Yang Jing     E-mail: yangjing0327@gmail.com
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Yang Jing,Wang Yamin. P2P Search Approach Based on Query Expansion and Node Aggregation. New Technology of Library and Information Service, 2009, (9): 51-56.

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https://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/10.11925/infotech.1003-3513.2009.09.09     OR     https://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/Y2009/V/I9/51

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