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成果搜索

author:

陈双 (陈双.) [1] | 汪璟玢 (汪璟玢.) [2]

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Abstract:

针对现存资源描述框架(RDF)查询方案不能满足日益剧增的海量RDF数据的关键词搜索要求,提出一种面向大规模RDF数据的分布式搜索算法(KDSOS).该算法首先结合RDF本体构建查询关键词对应的本体子图集并利用评分函数评分;其次在大规模的RDF数据图上优先搜索评分高的本体子图对应的结果子图,直到找到Top-k结果.实验结果表明,KDSOS算法在搜索效率和准确率上都具有明显的优势.

Keyword:

MapReduce 关键词搜索 本体 资源描述框架

Community:

  • [ 1 ] 福州大学数学与计算机科学学院,福建福州350116

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Source :

福州大学学报:自然科学版

ISSN: 1000-2243

CN: 35-1337/N

Year: 2017

Issue: 6

Volume: 45

Page: 822-828

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 2

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