Sciweavers

9 search results - page 1 / 2
» Project-Join-Repair: An Approach to Consistent Query Answeri...
Sort
View
FQAS
2006
Springer
186views Database» more  FQAS 2006»
13 years 8 months ago
Project-Join-Repair: An Approach to Consistent Query Answering Under Functional Dependencies
Consistent query answering is the term commonly used for the problem of answering queries on databases that violate certain integrity constraints. We address this problem for univ...
Jef Wijsen
PVLDB
2010
120views more  PVLDB 2010»
13 years 2 months ago
Sampling the Repairs of Functional Dependency Violations under Hard Constraints
Violations of functional dependencies (FDs) are common in practice, often arising in the context of data integration or Web data extraction. Resolving these violations is known to...
George Beskales, Ihab F. Ilyas, Lukasz Golab
WEBDB
2004
Springer
202views Database» more  WEBDB 2004»
13 years 9 months ago
Mining Approximate Functional Dependencies and Concept Similarities to Answer Imprecise Queries
Current approaches for answering queries with imprecise constraints require users to provide distance metrics and importance measures for attributes of interest. In this paper we ...
Ullas Nambiar, Subbarao Kambhampati
JIIS
2006
119views more  JIIS 2006»
13 years 4 months ago
Answering constraint-based mining queries on itemsets using previous materialized results
Abstract In recent years, researchers have begun to study inductive databases, a new generation of databases for leveraging decision support applications. In this context, the user...
Roberto Esposito, Rosa Meo, Marco Botta
ICDT
2009
ACM
135views Database» more  ICDT 2009»
13 years 11 months ago
Repair checking in inconsistent databases: algorithms and complexity
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...
Foto N. Afrati, Phokion G. Kolaitis