134 search results - page 6 / 27 » Optimizing repair programs for consistent query answering |
CL
2000
Springer
13 years 12 months ago
2000
Springer
Abstract. We consider the problem of specifying and computing consistent answers to queries against databases that do not satisfy given integrity constraints. This is done by simul...
AMW
2010
13 years 9 months ago
2010
A Data Warehouse (DW) is a data repository that integrates data from multiple sources and organizes the data according to a set of data structures called dimensions. Each dimension...
ICDT
2009
ACM
14 years 2 months ago
2009
ACM
Managing inconsistency in databases has long been recognized as an important problem. One of the most promising approaches to coping with inconsistency in databases is the framewo...
VLDB
1987
ACM
13 years 11 months ago
1987
ACM
Severalmethodshavebeenproposedto compile recursive Datalog programs. The most well-known perform a rewriting of rules using MAGIC or PROBLEM predicates in order to push selections...
ICDE
2000
IEEE
14 years 8 months ago
2000
IEEE
In information-integration systems, sources may have diverse and limited query capabilities. In this paper we show that because sources have restrictions on retrieving their infor...