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» An algorithmic version of the blow-up lemma
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ECCC
1998
105views more  ECCC 1998»
13 years 7 months ago
Pseudorandom generators without the XOR Lemma
Impagliazzo and Wigderson IW97] have recently shown that if there exists a decision problem solvable in time 2O(n) and having circuit complexity 2 (n) (for all but nitely many n) ...
Madhu Sudan, Luca Trevisan, Salil P. Vadhan
MIR
2004
ACM
171views Multimedia» more  MIR 2004»
14 years 27 days ago
Mean version space: a new active learning method for content-based image retrieval
In content-based image retrieval, relevance feedback has been introduced to narrow the gap between low-level image feature and high-level semantic concept. Furthermore, to speed u...
Jingrui He, Hanghang Tong, Mingjing Li, HongJiang ...
CSR
2010
Springer
14 years 8 days ago
Comparing Two Stochastic Local Search Algorithms for Constraint Satisfaction Problems
Abstract. In this survey we compare the similarities, differences and the complexities of two very different approaches to solve a general constraint satisfaction probblems (CSP). ...
Uwe Schöning
JAPLL
2010
131views more  JAPLL 2010»
13 years 5 months ago
Algorithmic correspondence and completeness in modal logic. V. Recursive extensions of SQEMA
The previously introduced algorithm SQEMA computes first-order frame equivalents for modal formulae and also proves their canonicity. Here we extend SQEMA with an additional rule...
Willem Conradie, Valentin Goranko, Dimiter Vakarel...
JCT
1998
193views more  JCT 1998»
13 years 7 months ago
Fractional Kernels in Digraphs
The aim of this note is to point out some combinatorial applications of a lemma of Scarf, proved first in the context of game theory. The usefulness of the lemma in combinatorics...
Ron Aharoni, Ron Holzman