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» Consistent query answering in databases
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KRDB
2003
142views Database» more  KRDB 2003»
15 years 6 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 9 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 5 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 11 months ago
View-Based Query Processing: On the Relationship Between Rewriting, Answering and Losslessness
Diego Calvanese, Giuseppe De Giacomo, Maurizio Len...