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SSD
2005
Springer
105views Database» more  SSD 2005»
15 years 6 months ago
Evaluation of Top-k OLAP Queries Using Aggregate R-Trees
Abstract. A top-k OLAP query groups measures with respect to some abstraction level of interesting dimensions and selects the k groups with the highest aggregate value. An example ...
Nikos Mamoulis, Spiridon Bakiras, Panos Kalnis
100
Voted
ICDM
2005
IEEE
138views Data Mining» more  ICDM 2005»
15 years 6 months ago
On Feature Selection through Clustering
We study an algorithm for feature selection that clusters attributes using a special metric and then makes use of the dendrogram of the resulting cluster hierarchy to choose the m...
Richard Butterworth, Gregory Piatetsky-Shapiro, Da...
98
Voted
MFCS
2005
Springer
15 years 6 months ago
On Beta-Shifts Having Arithmetical Languages
Let β be a real number with 1 < β < 2. We prove that the language of the β-shift is ∆0 n iff β is a ∆n-real. The special case where n is 1 is the independently inter...
Jakob Grue Simonsen
95
Voted
EOR
2007
76views more  EOR 2007»
15 years 17 days ago
Lower bounds and heuristics for the Windy Rural Postman Problem
In this paper we present several heuristic algorithms and a cutting-plane algorithm for the Windy Rural Postman Problem. This problem contains a big number of important Arc Routin...
Enrique Benavent, Alessandro Carrotta, Angel Corbe...
104
Voted
BMCBI
2008
114views more  BMCBI 2008»
15 years 22 days ago
Visualization of large influenza virus sequence datasets using adaptively aggregated trees with sampling-based subscale represen
Background: With the amount of influenza genome sequence data growing rapidly, researchers need machine assistance in selecting datasets and exploring the data. Enhanced visualiza...
Leonid Zaslavsky, Yiming Bao, Tatiana A. Tatusova