3103 search results - page 176 / 621 » Parsimonious relevance models |
145
Voted
BMCBI
2010
14 years 8 months ago
2010
Background: Profile HMMs (hidden Markov models) provide effective methods for modeling the conserved regions of protein families. A limitation of the resulting domain models is th...
140
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WWW
2011
ACM
14 years 8 months ago
2011
ACM
We investigate the problem of learning to rank for document retrieval from the perspective of learning with multiple objective functions. We present solutions to two open problems...
138
Voted
WWW
2011
ACM
14 years 8 months ago
2011
ACM
Ambiguous queries constitute a significant fraction of search instances and pose real challenges to web search engines. With current approaches the top results for these queries ...
139
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ICIP
2007
IEEE
16 years 3 months ago
2007
IEEE
A new method for object tracking in video sequences is presented. This method exploits the benefits of particle filters to tackle the multimodal distributions emerging from clutte...
160
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SIGIR
2012
ACM
13 years 4 months ago
2012
ACM
In this paper, we propose a novel top-k learning to rank framework, which involves labeling strategy, ranking model and evaluation measure. The motivation comes from the difficul...