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ICDM
2008
IEEE
160views Data Mining» more  ICDM 2008»
15 years 10 months ago
Direct Zero-Norm Optimization for Feature Selection
Zero-norm, defined as the number of non-zero elements in a vector, is an ideal quantity for feature selection. However, minimization of zero-norm is generally regarded as a combi...
Kaizhu Huang, Irwin King, Michael R. Lyu
ICRA
2007
IEEE
99views Robotics» more  ICRA 2007»
15 years 10 months ago
RFID-Based Exploration for Large Robot Teams
Abstract— To coordinate a team of robots for exploration is a challenging problem, particularly in large areas as for example the devastated area after a disaster. This problem c...
Vittorio A. Ziparo, Alexander Kleiner, Bernhard Ne...
SECON
2007
IEEE
15 years 10 months ago
Approximation Algorithm for Base Station Placement in Wireless Sensor Networks
Base station location has significant impact on network lifetime performance for a sensor network. For a multihop sensor network, this problem is particular challenging as we need ...
Yi Shi, Yiwei Thomas Hou
116
Voted
GLOBECOM
2006
IEEE
15 years 10 months ago
Analysis of Unfairness between TCP Uplink and Downlink Flows in Wi-Fi Hot Spots
Abstract— This paper focuses on the unfairness problem between TCP uplink and downlink flows in the 802.11 Wi-Fi hot spots and shows that the service is prone to be unfair. The ...
Eun-Chan Park, Dong-Young Kim, Chong-Ho Choi
123
Voted
IPPS
2005
IEEE
15 years 9 months ago
Parallelization of Direct Algorithms using Multisplitting Methods in Grid Environments
The goal of this paper is to introduce a new approach to the building of efficient distributed linear system solvers. The starting point of the results of this paper lies in the ...
Jacques M. Bahi, Raphaël Couturier