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CEC
2009
IEEE
15 years 11 months ago
Tackling high dimensional nonseparable optimization problems by cooperatively coevolving particle swarms
— This paper attempts to address the question of scaling up Particle Swarm Optimization (PSO) algorithms to high dimensional optimization problems. We present a cooperative coevo...
Xiaodong Li, Xin Yao
PAMI
2007
202views more  PAMI 2007»
15 years 4 months ago
Weighted Graph Cuts without Eigenvectors A Multilevel Approach
—A variety of clustering algorithms have recently been proposed to handle data that is not linearly separable; spectral clustering and kernel k-means are two of the main methods....
Inderjit S. Dhillon, Yuqiang Guan, Brian Kulis
VLDB
2007
ACM
113views Database» more  VLDB 2007»
16 years 4 months ago
Fast nGram-Based String Search Over Data Encoded Using Algebraic Signatures
We propose a novel string search algorithm for data stored once and read many times. Our search method combines the sublinear traversal of the record (as in Boyer Moore or Knuth-M...
Witold Litwin, Riad Mokadem, Philippe Rigaux, Thom...
DEBU
2010
128views more  DEBU 2010»
15 years 2 months ago
Designing Database Operators for Flash-enabled Memory Hierarchies
Flash memory affects not only storage options but also query processing. In this paper, we analyze the use of flash memory for database query processing, including algorithms that...
Goetz Graefe, Stavros Harizopoulos, Harumi A. Kuno...
ACISICIS
2009
IEEE
15 years 8 months ago
A Novel Approach Based on PCNNs Template for Fingerprint Image Thinning
A PCNNs-based square-and-triangle-template method for binary fingerprint image thinning is proposed. The algorithm is iterative, in which a combined sequential and parallel proces...
Dacheng Xu, Bailiang Li, Anton Nijholt