448 search results - page 44 / 90 » Directly optimizing evaluation measures in learning to rank |
WWW
2009
ACM
15 years 10 months ago
2009
ACM
Measuring the similarity between semantic relations that hold among entities is an important and necessary step in various Web related tasks such as relation extraction, informati...
ICPR
2010
IEEE
15 years 27 days ago
2010
IEEE
Appropriate feature selection is a very crucial issue in any machine learning framework, specially in Maximum Entropy (ME). In this paper, the selection of appropriate features for...
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CIVR
2010
Springer
15 years 2 months ago
2010
Springer
This paper describes an approach to optimize query by visual example results, by combining visual features and implicit user feedback in interactive video retrieval. To this end, ...
ICML
2008
IEEE
15 years 10 months ago
2008
IEEE
Identifying the appropriate kernel function/matrix for a given dataset is essential to all kernel-based learning techniques. A variety of kernel learning algorithms have been prop...
ESCIENCE
2007
IEEE
15 years 1 months ago
2007
IEEE
Abstract. We study the implementation on grid systems of an efficient algorithm for demanding global optimization problems. Specifically, we consider problems arising in the geneti...