Repairing queries in a mediator approach

被引：0
|
作者：
Bidault, A [1 ]
Froidevaux, C [1 ]
Safer, B [1 ]
机构：
[1] CNRS, LRI, F-91405 Orsay, France
来源：
ECAI 2000: 14TH EUROPEAN CONFERENCE ON ARTIFICIAL INTELLIGENCE, PROCEEDINGS | 2000年 / 54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：
In this paper, we study unsatisfiable queries posed to a mediator in an information integration system and expressed in the logical formalism of the information integration system PICSEL2 First, we characterise conflicts as the minimal causes of the unsatisfiability of a query. Then, we produce its set of repairs: a repair is a query that does not generate any conflict and that has a common generalisation with the initial query and is semantically close to it.
引用
收藏
页码：406 / 410
页数：5
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