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» Improved analysis methods for crossover-based algorithms
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118
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SIGIR
2008
ACM
15 years 3 months ago
Bag-of-visual-words expansion using visual relatedness for video indexing
Bag-of-visual-words (BoW) has been popular for visual classification in recent years. In this paper, we propose a novel BoW expansion method to alleviate the effect of visual word...
Yu-Gang Jiang, Chong-Wah Ngo
118
Voted
ICML
2001
IEEE
16 years 4 months ago
Round Robin Rule Learning
In this paper, we discuss a technique for handling multi-class problems with binary classifiers, namely to learn one classifier for each pair of classes. Although this idea is kno...
Johannes Fürnkranz
156
Voted
SIGIR
2003
ACM
15 years 8 months ago
Text categorization by boosting automatically extracted concepts
Term-based representations of documents have found widespread use in information retrieval. However, one of the main shortcomings of such methods is that they largely disregard le...
Lijuan Cai, Thomas Hofmann
137
Voted
STOC
2009
ACM
99views Algorithms» more  STOC 2009»
16 years 4 months ago
Testing juntas nearly optimally
A function on n variables is called a k-junta if it depends on at most k of its variables. In this article, we show that it is possible to test whether a function is a k-junta or ...
Eric Blais
281
Voted
WWW
2011
ACM
14 years 10 months ago
Automatic construction of a context-aware sentiment lexicon: an optimization approach
The explosion of Web opinion data has made essential the need for automatic tools to analyze and understand people’s sentiments toward different topics. In most sentiment analy...
Yue Lu, Malú Castellanos, Umeshwar Dayal, C...