| 基于分布化元数据管理的P2P文件共享模型研究 |
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| 引用本文： | 杨静,曹静霞,顾君忠.基于分布化元数据管理的P2P文件共享模型研究[J].计算机工程与应用,2006,42(20):150-153,232. |
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| 作者姓名： | 杨静 曹静霞 顾君忠 |
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| 作者单位： | 华东师范大学计算机系,上海,200062 |
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| 摘 要： | P2P模式的文件共享系统在Internet上得到广泛应用,但在无中央服务器的纯P2P文件共享系统中,多关键词检索问题还没有得到很好解决。针对此问题,文章提出基于分布化元数据管理DMM(DistributedMetadataManagement)的P2P文件共享模型,基于模型对多关键词检索进行分析,并以资源描述框架RDF1]和结构化纯P2P结构P-Grid9]为基础,介绍了支持多关键词检索的P2P文件共享模型的实现。
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| 关 键 词： | P2P 多关键词检索 元数据 资源描述框架 |
| 文章编号： | 1002-8331-（2006）20-0150-04 |
| 收稿时间： | 2005-11 |
| 修稿时间： | 2005-11 |
A P2P File Sharing Model Based on Distributed Metadata Management |
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| Yang Jing,Cao Jingxia,Gu Junzhong.A P2P File Sharing Model Based on Distributed Metadata Management[J].Computer Engineering and Applications,2006,42(20):150-153,232. |
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| Authors: | Yang Jing Cao Jingxia Gu Junzhong |
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| Affiliation: | Department of Computer Science,East China Normal University,Shanghai 200062 |
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| Abstract: | The file sharing systems based on Peer-to-Peer architecture are being rapid and wide-spread on the Internet.Unfortunately,most of the current structured P2P systems which have not any central server can not support the keywords-based retrieval.In order to resolve this problem,a file sharing model based on DMM(Distributed Metadata Man- agement) is put forwarded in this paper and keywords-based retrieval is analyzed based on the model.A proto- typing system is implemented to confirm the model's feasibility,using RDF1] as metadata standard and P-Grid9] as infrastructure. |
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| Keywords: | P2P |
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