Study on semantic-oriented hybrid indexing strategy of resource metadata in peer-to-peer network 被引量：1

Study on semantic-oriented hybrid indexing strategy of resource metadata in peer-to-peer network

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摘要 Applying ontology to describe resource metadata richly in the peer-to-peer environment has become current research trend. In this semantic peer-to-peer environment, indexing semantic element of resource description to support efficient resource location is a difficult and challenging problem. This paper provided a hybrid indexing architecture, which combines local indexing and global indexing. It uses community strategy and semantic routing strategy to organize key layer metadata element and uses DHT (distributed hash table) to index extensional layer metadata element. Compared with related system, this approach is more efficient in resource location and more scalable. Applying ontology to describe resource metadata richly in the peer-to-peer environment has become current research trend. In this semantic peer-to-peer environment, indexing semantic element of resource description to support efficient resource location is a difficult and challenging problem. This paper provided a hybrid indexing architecture, which combines local indexing and global indexing. It uses community strategy and semantic routing strategy to organize key layer metadata element and uses DHT （distributed hash table） to index extensional layer metadata element. Compared with related system, this approach is more efficient in resource location and more scalable.

作者 LIU Zhen ZHOU Mao-wei HUANG Hong-bin LUO Xue-shan

机构地区 College of Information System and Management

出处《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》 SCIE EI CAS CSCD 2007年第1期88-94,共7页 浙江大学学报（英文版）A辑（应用物理与工程）

关键词对等网络 P2P 元数据资源目录资源描述语义元素混合索引策略 Peer-to-peer （P2P）, Ontology, Metadata, Resource indexing

分类号 TP393.01 [自动化与计算机技术—计算机应用技术]

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