Keyphrases
- named entities
- news corpus
- web news
- information extraction
- relation extraction
- natural language processing
- named entity recognition
- named entity extraction
- person names
- co occurrence
- text documents
- text mining
- question answering
- news articles
- maximum entropy model
- data mining
- computer vision
- artificial intelligence
- proper names
- named entity disambiguation
- annotated corpus
- global context
- cross media
- weakly supervised
- noun phrases
- probabilistic model