Recognizing Nested Entities from Flat Supervision: A New NER Subtask, Feasibility and Challenges.
Enwei ZhuYiyang LiuMing JinJinpeng LiPublished in: CoRR (2022)
Keyphrases
- named entities
- named entity recognition
- chinese named entity recognition
- conditional random fields
- lessons learned
- key issues
- information extraction
- maximum entropy
- real world
- neural network
- natural language processing
- text summarization
- relation extraction
- technical challenges
- open issues
- domain independent
- information systems
- entity ranking
- named entity disambiguation