Search Sciweavers | Sciweavers

2223 search results - page 44 / 445

» Query Optimization in an OODBMS

click to vote

AAAI
1997

111views Intelligent Agents» more AAAI 1997»

Query Optimization Using Local Completeness

15 years 1 months ago

Download duschka.com

We consider the problem of query plan optimization in information brokers. Information brokers are programs that facilitate access to collections of information sources by hiding ...

Oliver M. Duschka

claim paper

Read More »

click to vote

LATIN
2010
Springer

164views Information Technology» more LATIN 2010»

Optimal Succinctness for Range Minimum Queries

15 years 6 months ago

Download www-ab.informatik.uni-tuebingen.de

For a static array A of n totally ordered objects, a range minimum query asks for the position of the minimum between two speciﬁed array indices. We show how to preprocess A into...

Johannes Fischer

claim paper

Read More »

101

click to vote

KRDB
2003

142views Database» more KRDB 2003»

Optimizing Query Answering in Description Logics using Disjunctive Deductive Databases

15 years 1 months ago

Download sunsite.informatik.rwth-aachen.de

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

claim paper

Read More »

174

click to vote

ICDE
2007
IEEE

107views Database» more ICDE 2007»

Robust Heuristics for Scalable Optimization of Complex SQL Queries

16 years 1 months ago