2683 search results - page 253 / 537 » Machine learning problems from optimization perspective |
115
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ALT
2000
Springer
15 years 7 months ago
2000
Springer
A conjunctive query problem in relational database theory is a problem to determine whether or not a tuple belongs to the answer of a conjunctive query over a database. Here, a tup...
157
Voted
EDM
2010
15 years 4 months ago
2010
It is argued that the analysis of the learner's generated log files during interactions with a learning environment is necessary to produce interpretative views of their activ...
121
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AAAI
2006
15 years 4 months ago
2006
L1 regularized logistic regression is now a workhorse of machine learning: it is widely used for many classification problems, particularly ones with many features. L1 regularized...
112
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ICML
2008
IEEE
16 years 4 months ago
2008
IEEE
We consider feature extraction (dimensionality reduction) for compositional data, where the data vectors are constrained to be positive and constant-sum. In real-world problems, t...
165
Voted
CIVR
2008
Springer
15 years 5 months ago
2008
Springer
We present a probabilistic ranking-driven classifier for the detection of video semantic concept, such as airplane, building, etc. Most existing concept detection systems utilize ...