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JAIR
2007
107views more  JAIR 2007»
15 years 6 months ago
Compressed Pattern Databases
A pattern database (PDB) is a heuristic function implemented as a lookup table that stores the lengths of optimal solutions for subproblem instances. Standard PDBs have a distinct...
Ariel Felner, Richard E. Korf, Ram Meshulam, Rober...
TKDE
2008
111views more  TKDE 2008»
15 years 6 months ago
A Point Symmetry-Based Clustering Technique for Automatic Evolution of Clusters
In this paper, a new symmetry-based genetic clustering algorithm is proposed which automatically evolves the number of clusters as well as the proper partitioning from a data set. ...
Sanghamitra Bandyopadhyay, Sriparna Saha
TMI
2008
136views more  TMI 2008»
15 years 6 months ago
Classification of fMRI Time Series in a Low-Dimensional Subspace With a Spatial Prior
We propose a new method for detecting activation in functional magnetic resonance imaging (fMRI) data. We project the fMRI time series on a low-dimensional subspace spanned by wave...
François G. Meyer, Xilin Shen
TMM
2008
86views more  TMM 2008»
15 years 6 months ago
Implementing the 2-D Wavelet Transform on SIMD-Enhanced General-Purpose Processors
Abstract--The 2-D Discrete Wavelet Transform (DWT) consumes up to 68% of the JPEG2000 encoding time. In this paper, we develop efficient implementations of this important kernel on...
Asadollah Shahbahrami, Ben H. H. Juurlink, Stamati...
TON
2008
144views more  TON 2008»
15 years 6 months ago
A comprehensive analysis of mobility management in MPLS-based wireless access networks
Efficient mobility management is one of the major challenges for next-generation mobile systems. Indeed, a mobile node (MN) within an access network may cause excessive signaling t...
Rami Langar, Nizar Bouabdallah, Raouf Boutaba