Bottom-Up Constituency Parsing and Nested Named Entity Recognition with Pointer Networks.
Songlin YangKewei TuPublished in: CoRR (2021)
Keyphrases
- named entity recognition
- natural language processing
- information extraction
- named entities
- text summarization
- relation extraction
- semi supervised
- natural language
- maximum entropy
- sequence labeling
- conditional random fields
- machine learning
- parse tree
- hand coded
- pos tagging
- annotated corpus
- classifier ensemble
- wordnet
- text mining
- proper names
- maximum entropy classifier
- artificial intelligence
- semantic relations
- question answering
- part of speech
- unsupervised learning
- probabilistic model
- object recognition
- chinese named entity recognition