3718 search results - page 509 / 744 » On learning with dissimilarity functions |
174
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COLT
2005
Springer
16 years 6 days ago
2005
Springer
The problem of ranking, in which the goal is to learn a real-valued ranking function that induces a ranking or ordering over an instance space, has recently gained attention in mac...
199
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COLT
2005
Springer
16 years 6 days ago
2005
Springer
We discuss a simple sparse linear problem that is hard to learn with any algorithm that uses a linear combination of the training instances as its weight vector. The hardness holds...
150
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COLT
2004
Springer
16 years 2 days ago
2004
Springer
Abstract. We show several PAC-style concentration bounds for learning unigrams language model. One interesting quantity is the probability of all words appearing exactly k times in...
184
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SIGIR
2003
ACM
15 years 12 months ago
2003
ACM
Question classification is very important for question answering. This paper presents our research work on automatic question classification through machine learning approaches. W...
189
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ECAGENTS
2001
Springer
15 years 11 months ago
2001
Springer
Abstract. This paper designs an electronic commerce system that integrates conventional electronic commerce services with contemporary WWW advantages, such as comprehensive coverag...