一种基于语义相似度的P2P数据查询方法  

Research of P2P Data Query Based on Semantic Similarity

作　　者：林晓[1] 

机构地区：[1]南京航空航天大学,210000

出　　处：《电子测试》2014年第12期31-34,共4页Electronic Test

基　　金：中央高校基本业务费项目(NR2014024;NR2014059)

摘　　要：目前P2P网络中数据查询在语义方面的研究较少,而基于DHT的数据检索只支持准确查询,导致查询准确率不高,但是好的索引项的建立会给查询带来很大的方便。本文结合了RDF和Word Net在语义方面的特点提出了一种新的简易RDF概念列表来表示文档,并通过计算语义相似度来决定输出结果的P2P数据查询方法。仿真实验证明本文方法可以较好的提高查询成功率。There is less research on data query of P2P network based on semantic, and data query based on DHT can only support precise query ,so the precision is not high. But a good queryindex can play an important role and help enhance the success ratio. This paper introduced a new data query approach, which integrated RDF with WordNet based on their semantic feature and use a new description method to describe document ,which is called simple RDF concept list. The query result is decided by the semantic similarity computed by our new formula. It is approved that the new method is advanced in improving the query success ratio.

关 键 词：P2P网络 简易RDF概念列表 语义相似度 数据查询 

分 类 号：TP393.02[自动化与计算机技术—计算机应用技术]