2252 search results - page 258 / 451 » Improving Random Forests |
92
Voted
ICCSA
2010
Springer
15 years 2 months ago
2010
Springer
This paper achieves O(n3 log log n/ log n) time for the 2center problems on a directed graph with non-negative edge costs under the conventional RAM model where only arithmetic ope...
115
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PAKDD
2010
ACM
15 years 2 months ago
2010
ACM
Abstract. One of the more challenging problems faced by the data mining community is that of imbalanced datasets. In imbalanced datasets one class (sometimes severely) outnumbers t...
111
Voted
ECAI
2008
Springer
15 years 2 months ago
2008
Springer
While stochastic local search (SLS) techniques are very efficient in solving hard randomly generated propositional satisfiability (SAT) problem instances, a major challenge is to i...
116
Voted
ACL
2008
15 years 2 months ago
2008
Statistical machine learning methods are employed to train a Named Entity Recognizer from annotated data. Methods like Maximum Entropy and Conditional Random Fields make use of fe...
81
Voted
EMNLP
2007
15 years 2 months ago
2007
In this paper, we address the problem of extracting data records and their attributes from unstructured biomedical full text. There has been little effort reported on this in the ...