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SPARQL Query Optimization Based on Longest Property Path Filtering

A large number of intermediate results during executing SPARQL query greatly affect the query efficiency.For this,a query optimization method with two phases is proposed.In the first phase,it divides a query that contains the same variable into a block by calculating the selectivity within each bloc...

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Hlavní autor: LIN Xiaoqing,ZHANG Fu,CHENG Jingwei
Médium: Artigo
Jazyk:Inglês
Vydáno: Editorial Office of Computer Engineering 2018-11-01
Edice:Jisuanji gongcheng
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On-line přístup:https://www.ecice06.com/fileup/1000-3428/PDF/18117.pdf
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