Query division and reformullation in ontology-based heterogeneous information integration

被引：0
|
作者：
Li Jian [1 ]
Jin Beihong [1 ]
机构：
[1] Chinese Acad Sci, Inst Software, Technol Ctr Software Engn, Beijing 100080, Peoples R China
来源：
CIC 2006: 15TH INTERNATIONAL CONFERENCE ON COMPUTING, PROCEEDINGS | 2006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：
People could obtain information from heterogeneous data resources by semantic querying based on ontologies. In ontology-based heterogeneous information integration, dividing and reformulating a global query for ontology concepts' instances into multiple sub-queries over those local information sources is a fundamental challenge. This paper presents a kind of uniform expression for concept instances' queries and a method to divide the global query into local ones. All local query results could be integrated as answers of the global query according to the integration expression got by query division.
引用
收藏
页码：186 / +
页数：2
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