Topic-Oriented Words as Features for Named Entity Recognition.
Ziqi ZhangTrevor CohnFabio CiravegnaPublished in: CICLing (1) (2013)
Keyphrases
- named entity recognition
- information extraction
- named entities
- maximum entropy classifier
- natural language processing
- text summarization
- semi supervised
- sequence labeling
- feature extraction
- conditional random fields
- maximum entropy
- proper names
- keywords
- feature space
- maximum likelihood
- classifier ensemble
- segmentation method
- data mining
- co occurrence
- training data
- knowledge base
- machine learning