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ICDE
2007
IEEE
228views Database» more  ICDE 2007»
15 years 4 months ago
A General Cost Model for Dimensionality Reduction in High Dimensional Spaces
Similarity search usually encounters a serious problem in the high dimensional space, known as the “curse of dimensionality”. In order to speed up the retrieval efficiency, p...
Xiang Lian, Lei Chen 0002
NA
2007
120views more  NA 2007»
14 years 9 months ago
On choosing "optimal" shape parameters for RBF approximation
Many radial basis function (RBF) methods contain a free shape parameter that plays an important role for the accuracy of the method. In most papers the authors end up choosing this...
Gregory E. Fasshauer, Jack G. Zhang
ECAI
2010
Springer
14 years 9 months ago
Mining Outliers with Adaptive Cutoff Update and Space Utilization (RACAS)
Recently the efficiency of an outlier detection algorithm ORCA was improved by RCS (Randomization with faster Cutoff update and Space utilization after pruning), which changes the ...
Chi-Cheong Szeto, Edward Hung
73
Voted
COMPGEOM
2006
ACM
15 years 3 months ago
A fast k-means implementation using coresets
In this paper we develop an efficient implementation for a k-means clustering algorithm. The novel feature of our algorithm is that it uses coresets to speed up the algorithm. A ...
Gereon Frahling, Christian Sohler
GI
2007
Springer
15 years 3 months ago
Developing a Security Event Management System for Intermodal Transport
: Bremen, Federal State of Germany, is planning to set up a headquarter for GMES - Global Monitoring of Environment and Security. One goal of the Institute of Shipping Economics an...
Rainer Müller