Unsupervised biomedical named entity recognition: Experiments with clinical and biological texts.
Shaodian ZhangNoemie ElhadadPublished in: J. Biomed. Informatics (2013)
Keyphrases
- named entity recognition
- genia corpus
- semi supervised
- information extraction
- named entities
- natural language processing
- text mining
- maximum entropy
- unsupervised learning
- relation extraction
- text documents
- natural language text
- weakly supervised
- text summarization
- linguistic features
- conditional random fields
- supervised learning
- natural language
- pos tagging
- annotated corpus
- sequence labeling
- information retrieval
- classifier ensemble
- proper names
- question answering
- generative model
- active learning
- pairwise
- artificial intelligence
- chinese named entity recognition
- machine translation
- n gram
- pos taggers
- named entity recognizer
- machine learning