Nested Named Entity Recognition with Span-level Graphs.
Juncheng WanDongyu RuWeinan ZhangYong YuPublished in: ACL (1) (2022)
Keyphrases
- named entity recognition
- information extraction
- named entities
- natural language processing
- text summarization
- maximum entropy
- semi supervised
- conditional random fields
- relation extraction
- hand coded
- sequence labeling
- artificial intelligence
- co occurrence
- annotated corpus
- classifier ensemble
- proper names
- chinese named entity recognition
- question answering
- knowledge representation
- reinforcement learning
- information retrieval
- real world
- maximum entropy classifier
- named entity disambiguation
- databases