5692 search results - page 442 / 1139 » Challenges and Unsolved Problems |
156
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CEC
2009
IEEE
15 years 10 months ago
2009
IEEE
Landing on distant planets is always a challenging task due to the distance and hostile environments found. In the design of autonomous hazard avoidance systems we find the particu...
210
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PAKDD
2010
ACM
15 years 10 months ago
2010
ACM
Abstract. Privacy protection in publishing transaction data is an important problem. A key feature of transaction data is the extreme sparsity, which renders any single technique i...
165
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ECML
2007
Springer
15 years 10 months ago
2007
Springer
Most text categorization methods require text content of documents that is often difficult to obtain. We consider "Collaborative Text Categorization", where each document...
166
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GECCO
2007
Springer
15 years 10 months ago
2007
Springer
Stock selection for hedge fund portfolios is a challenging problem for Genetic Programming (GP) because the markets (the environment in which the GP solution must survive) are dyn...
180
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ICA
2007
Springer
15 years 10 months ago
2007
Springer
Deriving a thematically meaningful partition of an unlabeled document corpus is a challenging task. In this context, the use of document representations based on latent thematic ge...