Sciweavers

4234 search results - page 534 / 847
» OLAP on sequence data
Sort
View
SODA
2010
ACM
181views Algorithms» more  SODA 2010»
16 years 4 months ago
On the Cell Probe Complexity of Dynamic Membership
We study the dynamic membership problem, one of the most fundamental data structure problems, in the cell probe model with an arbitrary cell size. We consider a cell probe model e...
KE YI, QIN ZHANG
GLOBECOM
2009
IEEE
16 years 1 months ago
Maximizing Lifetime of Sensor-Target Surveillance in Wireless Sensor Networks
—The paper addresses the maximal lifetime problem in sensor-target surveillance networks. Given a set of sensors and targets in an Euclidean plane, each sensor can watch all targ...
Hai Liu, Xiaowen Chu, Yiu-Wing Leung, Xiaohua Jia,...
ADMA
2009
Springer
186views Data Mining» more  ADMA 2009»
16 years 1 months ago
Mining Compressed Repetitive Gapped Sequential Patterns Efficiently
Mining frequent sequential patterns from sequence databases has been a central research topic in data mining and various efficient mining sequential patterns algorithms have been p...
Yongxin Tong, Zhao Li, Dan Yu, Shilong Ma, Zhiyuan...
ICDM
2008
IEEE
160views Data Mining» more  ICDM 2008»
16 years 1 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
VTC
2007
IEEE
138views Communications» more  VTC 2007»
16 years 29 days ago
Applicability of UWB Double Directional Propagation Modeling for Evaluating UWB Transmission Performance
Abstract— This paper investigates the applicability of deterministic ultra wideband (UWB) propagation modeling for evaluating UWB system performances. The modeling explores the w...
Katsuyuki Haneda, Jun-ichi Takada, Takehiko Kobaya...