Efficient Hierarchical Entity Classifier Using Conditional Random Fields.

Koen Deschacht Marie-Francine Moens

Published in: OntologyLearning@COLING/ACL (2006)

Keyphrases

training data
hierarchical classification
classifier systems
named entities
hierarchical structure
coarse to fine
ensemble learning
decision trees
feature space
support vector machine
unsupervised learning
classification method
linear classifiers
multiple classifiers