Keyphrases
- information extraction
- genia corpus
- text mining
- information extraction systems
- text documents
- natural language text
- named entity recognition
- named entities
- domain dependent
- natural language processing
- free text
- information retrieval
- precision and recall
- semi structured
- natural language
- domain independent
- domain experts
- web documents
- domain specific
- machine learning
- machine translation
- domain ontology
- text summarization
- artificial intelligence
- data analysis
- linguistic patterns
- biomedical data
- search engine
- relation extraction
- conditional random fields