Partially Supervised Named Entity Recognition via the Expected Entity Ratio Loss.
Thomas EfflandMichael CollinsPublished in: CoRR (2021)
Keyphrases
- named entity recognition
- named entities
- partially supervised
- information extraction
- natural language processing
- named entity recognizer
- multi class
- co occurrence
- relation extraction
- named entity disambiguation
- text summarization
- question answering
- conditional random fields
- text mining
- maximum entropy
- semi supervised
- multi instance
- data sets
- unsupervised learning
- maximum likelihood
- knowledge base
- information retrieval