Keyphrases
- named entity recognition
- case study
- information extraction
- named entities
- natural language processing
- maximum entropy
- conditional random fields
- semi supervised
- text summarization
- sequence labeling
- relation extraction
- annotated corpus
- hand coded
- classifier ensemble
- chinese named entity recognition
- text mining
- reference resolution
- information retrieval
- machine learning
- image retrieval
- natural language
- named entity disambiguation