Alogic-based approach to data integration

被引：14
作者：
Grant, J [1 ]
Minker, J
机构：
[1] Towson Univ, Dept Comp & Informat Sci, Towson, MD USA
[2] Towson Univ, Dept Math, Towson, MD USA
[3] Univ Maryland, Dept Comp Sci, College Pk, MD 20742 USA
[4] Univ Maryland, Inst Adv Comp Studies, College Pk, MD 20742 USA
来源：
THEORY AND PRACTICE OF LOGIC PROGRAMMING | 2002年 / 2卷
关键词：
Clark completion; data integration; materialized views; query folding; resolution method; stratified databases;
D O I：
10.1017/S1471068401001375
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
An important aspect of data integration involves answering queries using various resources rather than by accessing database relations. The process of transforming a query from the database relations to the resources is often referred to as query folding or answering queries using views, where the views are the resources. We present a uniform approach that includes as special cases much of the previous work on this subject. Our approach is logic-based using resolution. We deal with integrity constraints, negation, and recursion also within this framework.
引用
收藏
页码：323 / 368
页数：46
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