Nested Named Entity Recognition with Partially-Observed TreeCRFs.
Yao FuChuanqi TanMosha ChenSongfang HuangFei HuangPublished in: CoRR (2020)
Keyphrases
- named entity recognition
- partially observed
- information extraction
- named entities
- natural language processing
- maximum entropy
- text summarization
- semi supervised
- conditional random fields
- sequence labeling
- relation extraction
- machine learning
- hand coded
- annotated corpus
- classifier ensemble
- reference resolution
- proper names
- maximum entropy classifier
- question answering
- co occurrence
- chinese named entity recognition