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» Consistent query answering in databases
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KRDB
2003
142views Database» more  KRDB 2003»
15 years 4 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»
15 years 6 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
SIGMOD
2008
ACM
111views Database» more  SIGMOD 2008»
16 years 3 months ago
Efficiently answering reachability queries on very large directed graphs
Ruoming Jin, Yang Xiang, Ning Ruan, Haixun Wang
ICDT
2005
ACM
97views Database» more  ICDT 2005»
15 years 8 months ago
View-Based Query Processing: On the Relationship Between Rewriting, Answering and Losslessness
Diego Calvanese, Giuseppe De Giacomo, Maurizio Len...