1025 search results - page 181 / 205 » A machine learning approach for improved BM25 retrieval |
ICCV
2009
IEEE
16 years 4 months ago
2009
IEEE
Many machine learning algorithms require the summation of Gaussian kernel
functions, an expensive operation if implemented straightforwardly. Several methods
have been proposed t...
104
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ACL
2006
15 years 1 months ago
2006
We propose a collaborative framework for collecting Thai unknown words found on Web pages over the Internet. Our main goal is to design and construct a Webbased system which allow...
120
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CLEF
2009
Springer
15 years 25 days ago
2009
Springer
GikiCLEF focused on the evaluation of the reasoning capabilities of systems to provide right answers for geographically-challenging topics. As we did not have previous experience ...
117
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GECCO
2006
Springer
15 years 3 months ago
2006
Springer
Action set selection in Markov Decision Processes (MDPs) is an area of research that has received little attention. On the other hand, the set of actions available to an MDP agent...
SDM
2008
SIAM
15 years 1 months ago
2008
SIAM
This paper presents a stagewise least square (SLS) loss function for classification. It uses a least square form within each stage to approximate a bounded monotonic nonconvex los...