2597 search results - page 238 / 520 » Learning Sunspot Classification |
152
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CVPR
2003
IEEE
16 years 6 months ago
2003
IEEE
We consider the problem of learning with instances defined over a space of sets of vectors. We derive a new positive definite kernel f(A B) defined over pairs of matrices A B base...
146
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CVPR
2007
IEEE
16 years 6 months ago
2007
IEEE
Considerable advances have been made in learning to recognize and localize visual object classes. Simple bag-offeature approaches label each pixel or patch independently. More adv...
152
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WWW
2003
ACM
16 years 4 months ago
2003
ACM
The web contains a wealth of product reviews, but sifting through them is a daunting task. Ideally, an opinion mining tool would process a set of search results for a given item, ...
180
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SIGIR
2005
ACM
15 years 9 months ago
2005
ACM
Accurate topical categorization of user queries allows for increased effectiveness, efficiency, and revenue potential in general-purpose web search systems. Such categorization be...
156
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APWEB
2009
Springer
15 years 8 months ago
2009
Springer
We present a new method to evaluate a search ontology, which relies on mapping ontology instances to textual documents. On the basis of this mapping, we evaluate the adequacy of on...