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author:

汪璟玢 (汪璟玢.) [1] | 方知立 (方知立.) [2] | 张燕琴 (张燕琴.) [3]

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PKU CSCD

Abstract:

采用分布式来实现SPARQL(Simple Protocol and RDF Query Language)查询是解决海量RDF(Resource Description Framework)查询的一种新思路。目前实现的基于Hadoop的RDF查询都要启用多个MapReduce来完成任务,浪费时间。为了克服此缺点,提出MRQJ(using MapReduce to query and join)算法,用以实现SPARQL的分布式查询。该算法分为连接计划生成与SPARQL查询执行两个部分:连接计划生成采用贪心策略,生成最优的连接方案;在SPARQL查询执行中只需结合一次MapReduce计算即可...

Keyword:

Hadoop MapReduce RDF SPARQL查询

Community:

  • [ 1 ] 福州大学数学与计算机科学学院

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Source :

计算机科学

Year: 2014

Issue: 07

Volume: 41

Page: 227-231

Cited Count:

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SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

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Chinese Cited Count:

30 Days PV: 0

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