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PVLDB
2010
151views more  PVLDB 2010»
14 years 8 months ago
Database Compression on Graphics Processors
Query co-processing on graphics processors (GPUs) has become an effective means to improve the performance of main memory databases. However, this co-processing requires the data ...
Wenbin Fang, Bingsheng He, Qiong Luo
EVOW
2010
Springer
15 years 3 months ago
A Genetic Algorithm to Minimize Chromatic Entropy
We present an algorithmic approach to solving the problem of chromatic entropy, a combinatorial optimization problem related to graph coloring. This problem is a component in algor...
Greg Durrett, Muriel Médard, Una-May O'Reil...
JCT
2006
52views more  JCT 2006»
14 years 9 months ago
Further combinatorial constructions for optimal frequency-hopping sequences
Frequency-hopping multiple-access (FHMA) spread spectrum communication systems employing multiple frequency shift keying as data modulation technique were investigated by Fuji-Har...
Gennian Ge, Ryoh Fuji-Hara, Ying Miao
BIBE
2007
IEEE
128views Bioinformatics» more  BIBE 2007»
15 years 4 months ago
QOMA2: Optimizing the alignment of many sequences
Abstract—We consider the problem of aligning multiple protein sequences with the goal of maximizing the SP (Sum-of-Pairs) score, when the number of sequences is large. The QOMA (...
Xu Zhang, Tamer Kahveci
TWC
2010
14 years 4 months ago
Optimized Training Sequences for Spatially Correlated MIMO-OFDM
In this paper, the training sequence design for multiple-input multiple-output (MIMO) orthogonal frequencydivision multiplexing (OFDM) systems under the minimum mean square error (...
Hoang Duong Tuan, Ha Hoang Kha, Ha H. Nguyen, Viet...