315 search results - page 20 / 63 » Text classification from positive and unlabeled documents |
BMCBI
2005
13 years 8 months ago
2005
Background: Text mining has spurred huge interest in the domain of biology. The goal of the BioCreAtIvE exercise was to evaluate the performance of current text mining systems. We...
COLING
2002
13 years 8 months ago
2002
This paper proposes a new approach for text categorization, based on a feature projection technique. In our approach, training data are represented as the projections of training ...
ACL
2008
13 years 10 months ago
2008
Since facts or statements in a hedge or negated context typically appear as false positives, the proper handling of these language phenomena is of great importance in biomedical t...
KDD
2004
ACM
14 years 9 months ago
2004
ACM
Abstract. Current text classification systems typically use term stems for representing document content. Semantic Web technologies allow the usage of features on a higher semantic...
CIKM
2009
Springer
14 years 16 days ago
2009
Springer
We describe an efficient technique to weigh word-based features in binary classification tasks and show that it significantly improves classification accuracy on a range of proble...