Evaluating Corpora for Named Entity Recognition Using Character-Level Features.
Casey WhitelawJon PatrickPublished in: Australian Conference on Artificial Intelligence (2003)
Keyphrases
- named entities
- co occurrence
- natural language processing
- named entity recognition
- annotated corpus
- information extraction
- relation extraction
- contextual features
- maximum entropy model
- feature extraction
- news corpus
- named entity extraction
- global context
- question answering
- linguistic features
- low level
- feature set
- domain specific
- hidden markov models
- expert systems
- pattern recognition
- machine learning