Keyphrases
- named entities
- named entity recognition
- information extraction
- named entity extraction
- relation extraction
- co occurrence
- natural language processing
- linguistic features
- question answering
- text mining
- databases
- data sets
- unsupervised learning
- speech recognition
- annotated corpus
- person names
- domain specific
- automatic speech recognition
- global context
- proper names
- pairwise
- machine learning
- spoken language
- broadcast news