Nested Named Entity Recognition with Partially-Observed TreeCRFs.
Yao FuChuanqi TanMosha ChenSongfang HuangFei HuangPublished in: AAAI (2021)
Keyphrases
- partially observed
- named entity recognition
- named entities
- information extraction
- natural language processing
- text summarization
- semi supervised
- conditional random fields
- maximum entropy
- relation extraction
- hand coded
- sequence labeling
- annotated corpus
- proper names
- co occurrence
- learning process
- pairwise
- unsupervised learning
- graphical models
- expert systems
- information retrieval
- machine learning