Sciweavers

374 search results - page 61 / 75
» A Genetic Algorithm for the Index Selection Problem
Sort
View
PKDD
2000
Springer
125views Data Mining» more  PKDD 2000»
15 years 1 months ago
Materialized Data Mining Views
Data mining is a useful decision support technique, which can be used to find trends and regularities in warehouses of corporate data. A serious problem of its practical applicatio...
Tadeusz Morzy, Marek Wojciechowski, Maciej Zakrzew...
ADBIS
2009
Springer
135views Database» more  ADBIS 2009»
14 years 7 months ago
Systematic Exploration of Efficient Query Plans for Automated Database Restructuring
We consider the problem of selecting views and indexes that minimize the evaluation costs of the important queries under an upper bound on the disk space available for storing the ...
Maxim Kormilitsin, Rada Chirkova, Yahya Fathi, Mat...
64
Voted
AUSAI
2007
Springer
15 years 3 months ago
The Detrimentality of Crossover
The traditional concept of a genetic algorithm (GA) is that of selection, crossover and mutation. However, a limited amount of data from the literature has suggested that the nich...
Andrew Czarn, Cara MacNish, Kaipillil Vijayan, Ber...
MDM
2009
Springer
121views Communications» more  MDM 2009»
15 years 4 months ago
Lazy-Update B+-Tree for Flash Devices
— With the rapid increasing capacity of flash chips, flash-aware indexing techniques are highly desirable for flash devices. The unique features of flash memory, such as the ...
Sai Tung On, Haibo Hu, Yu Li, Jianliang Xu
PRIS
2004
14 years 11 months ago
Comparison of Combination Methods using Spectral Clustering Ensembles
We address the problem of the combination of multiple data partitions, that we call a clustering ensemble. We use a recent clustering approach, known as Spectral Clustering, and th...
André Lourenço, Ana L. N. Fred