Comprehensive Named Entity Recognition on CORD-19 with Distant or Weak Supervision.
Xuan WangXiangchen SongYingjun GuanBangzheng LiJiawei HanPublished in: CoRR (2020)
Keyphrases
- expert systems
- named entity recognition
- information extraction
- named entities
- natural language processing
- maximum entropy
- semi supervised
- conditional random fields
- text summarization
- relation extraction
- sequence labeling
- hand coded
- classifier ensemble
- annotated corpus
- natural language
- named entity disambiguation
- chinese named entity recognition
- maximum entropy classifier
- real world
- semantic relations
- co occurrence
- text mining
- prior knowledge
- machine learning
- data mining