WI-ENRE in CLEF eHealth Evaluation Lab 2015: Clinical Named Entity Recognition Based on CRF.
Jingchi JiangYi GuanChao ZhaoPublished in: CLEF (Working Notes) (2015)
Keyphrases
- named entity recognition
- conditional random fields
- information extraction
- named entities
- natural language processing
- question answering
- maximum entropy
- semi supervised
- sequence labeling
- text summarization
- named entity recognizer
- annotated corpus
- information retrieval
- proper names
- relation extraction
- classifier ensemble
- graphical models
- hidden markov models
- maximum entropy classifier
- cross language
- query expansion
- generative model
- cross lingual
- machine learning
- crf model
- databases
- chinese named entity recognition
- web intelligence
- natural language
- artificial intelligence
- data mining