726 search results - page 18 / 146 » Extended Query Answering Using Integrity Rules |
AWIC
2005
Springer
14 years 2 months ago
2005
Springer
In data integration systems there is a problem of answering queries through a target schema, given a set of mappings between source schemas and the target schema, and given that th...
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
on Uncertain Data (Extended Abstract) Ming Hua Jian Pei Wenjie Zhang Xuemin Lin Simon Fraser University, Canada The University of New South Wales & NICTA {mhua, jpei}@cs.sfu.c...
JIDM
2010
13 years 7 months ago
2010
The need for incorporating preference querying in database technology is a very important issue in a variety of applications ranging from e-commerce to personalized search engines....
PODS
1998
ACM
14 years 25 days ago
1998
ACM
We study the complexity of the problem of answering queries using materialized views. This problem has attracted a lot of attention recently because of its relevance in data integ...
FOIKS
2004
Springer
14 years 2 months ago
2004
Springer
Abstract. We give a general framework for approximate query processing in semistructured databases. We focus on regular path queries, which are the integral part of most of the que...