Keyphrases
- named entities
- named entity recognition
- information extraction
- named entity extraction
- co occurrence
- natural language processing
- text mining
- named entity disambiguation
- linguistic features
- question answering
- text documents
- noun phrases
- relation extraction
- person names
- weakly supervised
- text corpus
- global context
- semantic relations
- graphical models
- annotated corpus
- feature extraction
- machine learning