BidH: A Bidirectional Hierarchical Model for Nested Named Entity Recognition.
Wanyang XuWengen LiJihong GuanShuigeng ZhouPublished in: CIKM (2022)
Keyphrases
- hierarchical model
- named entity recognition
- information extraction
- named entities
- natural language processing
- text summarization
- latent variables
- maximum entropy
- semi supervised
- hierarchical models
- relation extraction
- human body
- annotated corpus
- sequence labeling
- conditional random fields
- classifier ensemble
- proper names
- text mining
- question answering
- prior knowledge
- object recognition
- machine learning
- maximum entropy classifier
- unsupervised learning
- information retrieval