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» Query Answering in Inconsistent Databases
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VLDB
2007
ACM
102views Database» more  VLDB 2007»
14 years 7 months ago
Randomized Algorithms for Data Reconciliation in Wide Area Aggregate Query Processing
Many aspects of the data integration problem have been considered in the literature: how to match schemas across different data sources, how to decide when different records refer...
Fei Xu, Chris Jermaine
WWW
2009
ACM
14 years 8 months ago
Answering approximate queries over autonomous web databases
To deal with the problem of empty or too little answers returned from a Web database in response to a user query, this paper proposes a novel approach to provide relevant and rank...
Xiangfu Meng, Z. M. Ma, Li Yan
KRDB
2003
142views Database» more  KRDB 2003»
13 years 9 months ago
Optimizing Query Answering in Description Logics using Disjunctive Deductive Databases
Motivated by the possibilities of applying deductive database technology for efficient query answering in description logics, we present a translation operator µ that transforms...
Boris Motik, Raphael Volz
VLDB
1991
ACM
157views Database» more  VLDB 1991»
13 years 11 months ago
Integrating Implicit Answers with Object-Oriented Queries
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...
Hava T. Siegelmann, B. R. Badrinath
ICDT
2005
ACM
97views Database» more  ICDT 2005»
14 years 1 months ago
View-Based Query Processing: On the Relationship Between Rewriting, Answering and Losslessness
Diego Calvanese, Giuseppe De Giacomo, Maurizio Len...