Parallel querying of grid data based on multi-ontology

doi:10.3778/j.issn.1002-8331.2008.30.008

Computer Engineering and Applications ›› 2008, Vol. 44 ›› Issue (30): 26-29.DOI: 10.3778/j.issn.1002-8331.2008.30.008

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Parallel querying of grid data based on multi-ontology

LUO Yong-hong^1,2,CHEN Te-fang¹,ZHANG You-sheng³

1.School of Traffic and Transportation Engineering，Central South University，Changsha 410083，China
2.College of Computer and Communication Engineering，Changsha University of Science and Technology，Changsha 410076，China
3.College of Physics and Information Science，Hunan Normal University，Changsha 410081，China

Received:2008-06-03 Revised:2008-07-29 Online:2008-10-21 Published:2008-10-21
Contact: LUO Yong-hong

基于多本体的网格数据并行查询

罗永红^1,2,陈特放¹,张友生³

1.中南大学交通运输工程学院，长沙 410083
2.长沙理工大学计算机与通信工程学院，长沙 410076
3.湖南师范大学物理与信息科学学院，长沙 410081

通讯作者: 罗永红

Abstract

Abstract: The heterogeneous data sources of highway，railway，waterway，and aviation etc.Transportation system in comprehensive transportation can be integrated using grid technology.In order to improve the performance and accuracy of user querying（refer to multi-heterogeneous data sources） in grid environment，the paper presents a parallel querying solution based on multi-ontology.Furthermore，the paper also gives a global query forming algorithm and a global query decomposing algorithm based on query tree.

Key words: grid, multi-otology, parallel query, query tree

摘要： 对于综合运输中的铁路、公路、水路和航空运输系统中的异构数据源可以使用网格来实现数据的集成。为了提高网格集成环境中用户查询（涉及多异构数据源）的效率和精确性，提出了基于多本体的并行查询处理方法，给出了全局查询的生成算法和基于查询树的全局查询分解算法。

关键词: 网格, 多本体, 并行查询, 查询树

LUO Yong-hong^1,2,CHEN Te-fang¹,ZHANG You-sheng³. Parallel querying of grid data based on multi-ontology[J]. Computer Engineering and Applications, 2008, 44(30): 26-29.

罗永红^1,2,陈特放¹,张友生³. 基于多本体的网格数据并行查询[J]. 计算机工程与应用, 2008, 44(30): 26-29.

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Parallel querying of grid data based on multi-ontology

基于多本体的网格数据并行查询

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