134 search results - page 4 / 27 » Optimizing repair programs for consistent query answering |
PODS
1999
ACM
13 years 9 months ago
1999
ACM
In this paper we consider the problem of the logical characterization of the notion of consistent answer in a relational database that may violate given integrity constraints. Thi...
AMW
2009
13 years 6 months ago
2009
Abstract. A Data Warehouse (DW) is a data repository that organizes and physically integrates data from multiple sources under special kinds of schemas. A DW is composed by a set o...
DEXAW
2006
IEEE
13 years 11 months ago
2006
IEEE
This paper briefly reviews the recent literature on consistent query answering, an approach to handle database inconsistency in a systematic and logical manner based on the notio...
ICDT
2007
ACM
13 years 11 months ago
2007
ACM
Abstract. Consistent query answering (CQA) is an approach to querying inconsistent databases without repairing them first. This invited talk introduces the basics of CQA, and disc...
ADBIS
2004
Springer
13 years 10 months ago
2004
Springer
Repairing a database means making the database consistent by applying changes that are as small as possible. Nearly all approaches to repairing have assumed deletions and insertion...