A global-to-local rewriting querying mechanism using semantic mapping for XML schema integration

被引:0
作者
Passi, K [1 ]
Chaudhry, E
Madria, S
Bhowmick, S
机构
[1] Laurentian Univ, Dept Math & Comp Sci, Sudbury, ON P3E 2C6, Canada
[2] Univ Missouri, Dept Comp Sci, Rolla, MO 65401 USA
[3] Nanyang Technol Univ, Sch Comp Engn, Singapore, Singapore
来源
ON THE MOVE TO MEANINGFUL INTERNET SYSTEMS 2004: COOPLS, DOA, AND ODBASE, PT 2, PROCEEDINGS | 2004年 / 3291卷
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
We have proposed a methodology for integrating local XML Schemas in [12]. An integrated global schema forms the basis for querying a set of local XML documents. In this paper, we discuss various strategies for rewriting the global query over the global schema into the sub-queries over local schemas. Their respective local schemas validate the sub-queries over the local XML documents. This requires the identification and use of mapping rules and relationships between the local schemas.
引用
收藏
页码:927 / 944
页数:18
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