305 search results - page 6 / 61 » Query Answering Using Views for Data Integration over the We... |
EDBT
2012
ACM
11 years 9 months ago
2012
ACM
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
SIGMOD
2002
ACM
14 years 7 months ago
2002
ACM
As WWW becomes more and more popular and powerful, how to search information on the web in database way becomes an important research topic. COMMIX, which is developed in the DB g...
VLDB
1991
ACM
13 years 11 months ago
1991
ACM
Queries in object-oriented datab;Lqcs are formulated against a class and retrieve instnnccls of the class sat,isfying a certain predicate on the att,riblltes of the class. The pre...
DBISP2P
2006
Springer
13 years 11 months ago
2006
Springer
Abstract. The both-as-view (BAV) approach to data integration has the advantage of specifying mappings between schemas in a bidirectional manner, so that once a BAV mapping has bee...
ER
2005
Springer
14 years 24 days ago
2005
Springer
Query rewriting is a fundamental task in query optimization and data integration. With the advent of the web, there has been renewed interest in data integration, where data is dis...