Keyphrases
- named entities
- named entity recognition
- named entity extraction
- co occurrence
- relation extraction
- information extraction
- text mining
- natural language processing
- question answering
- chinese named entity recognition
- person names
- noun phrases
- global context
- annotated corpus
- text documents
- unsupervised learning
- text corpus
- learning algorithm
- text classification
- image retrieval
- face recognition
- web news
- clustering algorithm
- machine learning