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» Genetic algorithms for large join query optimization
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SEMWEB
2009
Springer
14 years 2 months ago
Practical Aspects of Query Rewriting for OWL 2
Abstract. Query answering for the QL profile of OWL 2 and a substantial fragment of the EL profile can be implemented via query rewriting. In our previous work, we presented RQR...
Héctor Pérez-Urbina, Ian Horrocks, B...
CIKM
2009
Springer
14 years 10 days ago
Answering XML queries using materialized views revisited
Answering queries using views is a well-established technique in databases. In this context, two outstanding problems can be formulated. The first one consists in deciding whethe...
Xiaoying Wu, Dimitri Theodoratos, Wendy Hui Wang
ICDE
2007
IEEE
218views Database» more  ICDE 2007»
14 years 9 months ago
SKYPEER: Efficient Subspace Skyline Computation over Distributed Data
Skyline query processing has received considerable attention in the recent past. Mainly, the skyline query is used to find a set of non dominated data points in a multidimensional...
Akrivi Vlachou, Christos Doulkeridis, Yannis Kotid...
SPIRE
2005
Springer
14 years 1 months ago
Experimental Analysis of a Fast Intersection Algorithm for Sorted Sequences
Abstract. This work presents an experimental comparison of intersection algorithms for sorted sequences, including the recent algorithm of Baeza-Yates. This algorithm performs on a...
Ricardo A. Baeza-Yates, Alejandro Salinger
GECCO
2006
Springer
123views Optimization» more  GECCO 2006»
13 years 11 months ago
Fluctuating crosstalk, deterministic noise, and GA scalability
This paper extends previous work showing how fluctuating crosstalk in a deterministic fitness function introduces noise into genetic algorithms. In that work, we modeled fluctuati...
Paul Winward, David E. Goldberg