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EVOW
2003
Springer
14 years 2 months ago
A Genetic Algorithm for the Index Selection Problem
This paper considers the problem of minimizing the response time for a given database workload by a proper choice of indexes. This problem is NP-hard and known in the literature as...
Jozef Kratica, Ivana Ljubic, Dusan Tosic
ISDA
2009
IEEE
14 years 3 months ago
Clustering-Based Feature Selection in Semi-supervised Problems
— In this contribution a feature selection method in semi-supervised problems is proposed. This method selects variables using a feature clustering strategy, using a combination ...
Ianisse Quinzán, José Manuel Sotoca,...
CIKM
2009
Springer
14 years 3 months ago
Text summarization model based on the budgeted median problem
We propose a multi-document generic summarization model based on the budgeted median problem. Our model selects sentences to generate a summary so that every sentence in the docum...
Hiroya Takamura, Manabu Okumura
DEXA
2005
Springer
93views Database» more  DEXA 2005»
14 years 2 months ago
Provable Data Privacy
In relational database systems a combination of privileges and views is employed to limit a user’s access and to hide non-public data. The data privacy problem is to decide wheth...
Kilian Stoffel, Thomas Studer
ICDE
2007
IEEE
126views Database» more  ICDE 2007»
14 years 10 months ago
Efficient Approximation Algorithms for Repairing Inconsistent Databases
We consider the problem of repairing a database that is inconsistent wrt a set of integrity constraints by updating numerical values. In particular, we concentrate on denial integ...
Andrei Lopatenko, Loreto Bravo