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ICIP
2009
IEEE
13 years 5 months ago
Efficient reduction of support vectors in kernel-based methods
Kernel-based methods, e.g., support vector machine (SVM), produce high classification performances. However, the computation becomes time-consuming as the number of the vectors su...
Takumi Kobayashi, Nobuyuki Otsu
CC
2010
Springer
117views System Software» more  CC 2010»
13 years 5 months ago
Efficiently Certifying Non-Integer Powers
We describe a randomized algorithm that, given an integer a, produces a certificate that the integer is not a pure power of an integer in expected (log a)1+o(1) bit operations unde...
Erich Kaltofen, Mark Lavin
CDC
2010
IEEE
142views Control Systems» more  CDC 2010»
13 years 2 months ago
Consensus with constrained convergence rate: Agreement in communities
The study focuses on a class of discrete-time multi-agent systems modelling opinion dynamics with decaying confidence. Essentially, we propose an agreement protocol that impose a p...
Constantin-Irinel Morarescu, Antoine Girard
DEXA
2006
Springer
193views Database» more  DEXA 2006»
13 years 11 months ago
Understanding and Enhancing the Folding-In Method in Latent Semantic Indexing
Abstract. Latent Semantic Indexing(LSI) has been proved to be effective to capture the semantic structure of document collections. It is widely used in content-based text retrieval...
Xiang Wang 0002, Xiaoming Jin
CORR
2006
Springer
94views Education» more  CORR 2006»
13 years 7 months ago
Computing spectral sequences
John McCleary insisted in his interesting textbook entitled "User's guide to spectral sequences" on the fact that the tool "spectral sequence" is not in t...
Ana Romero, Julio Rubio, Francis Sergeraert