Query decomposition based on ontology mapping in data integration system

被引：0
|
作者：
Xu, Xuezhou [1 ]
Xiang, Hong [1 ]
Chen, Jingyu [1 ]
机构：
[1] Xidian Univ, Inst Software Engn, Xian, Shaanxi, Peoples R China
来源：
ICNC 2007: THIRD INTERNATIONAL CONFERENCE ON NATURAL COMPUTATION, VOL 1, PROCEEDINGS | 2007年
关键词：
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
A method of query decomposition based on ontology mapping is proposed. By analyzing the domain models and schemas of data sources, a global ontology and local ontology are established, and the mapping between them are generated as well. During the query process, the query is expressed in the form of a tree, and by taking advantage of mapping rules, the query is decomposed into sub-queries.
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页码：265 / +
页数：2
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