51 search results - page 4 / 11 » Computing consistent query answers using conflict hypergraph... |
SEMCO
2007
IEEE
13 years 11 months ago
2007
IEEE
In this paper, we present an approach which, given a knowledge base and an appropriate text corpus, automatically induces patterns which can be used to query the knowledge base. W...
ICPADS
2005
IEEE
13 years 11 months ago
2005
IEEE
Data warehouses store large volumes of data according to a multidimensional model with dimensions representing different axes of analysis. OLAP systems (OnLine Analytical Processi...
ICDE
2010
IEEE
14 years 5 months ago
2010
IEEE
Abstract-- This paper introduces a deterministic approximation algorithm with error guarantees for computing the probability of propositional formulas over discrete random variable...
FOIKS
2008
Springer
13 years 6 months ago
2008
Springer
Abstract In this paper we present a new rule-based approach for consistency preserving view updating in deductive databases. Based on rule transformations performed during schema d...
CORR
2002
Springer
13 years 5 months ago
2002
Springer
We address the problem of minimal-change integrity maintenance in the context of integrity constraints in relational databases. We assume that integrity-restoration actions are li...