Span-Based Nested Named Entity Recognition with Pretrained Language Model.
Chenxu LiuHongjie FanJunfei LiuPublished in: DASFAA (2) (2021)
Keyphrases
- language model
- named entity recognition
- information extraction
- named entities
- natural language processing
- language modeling
- information retrieval
- semi supervised
- text summarization
- probabilistic model
- n gram
- conditional random fields
- retrieval model
- maximum entropy
- document retrieval
- relation extraction
- test collection
- query expansion
- pseudo relevance feedback
- co occurrence
- translation model
- query terms
- smoothing methods
- linguistic features
- training data
- text mining
- context sensitive
- machine learning
- relevance feedback
- information retrieval systems
- unsupervised learning
- generative model
- multiword
- higher order
- graphical models