3499 search results - page 202 / 700 » On the local optimality of LambdaRank |
110
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NIPS
2004
15 years 3 months ago
2004
We study a method of optimal data-driven aggregation of classifiers in a convex combination and establish tight upper bounds on its excess risk with respect to a convex loss funct...
MP
2007
15 years 1 months ago
2007
Many practical optimization problems involve nonsmooth (that is, not necessarily differentiable) functions of thousands of variables. In the paper [Haarala, Miettinen, M¨akel¨a,...
133
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CEC
2009
IEEE
15 years 8 months ago
2009
IEEE
— We propose a robot path planning method based on particle swarm optimization in an uncertain environment. We consider the case that a robot’s cognition to its environment is ...
92
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ICIP
2008
IEEE
15 years 8 months ago
2008
IEEE
Optimizing the ratio of two functions of binary variables is a common task in many image analysis applications. In general, such a ratio is not amenable to graph-cut based optimiz...
122
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ICIC
2007
Springer
15 years 8 months ago
2007
Springer
: - This paper introduces the main ideas of the nested partitions (NP) method, analyses its efficiency theoretically and proposes the way to improve the optimization efficiency of ...