VinAI at ChEMU 2020: An Accurate System for Named Entity Recognition in Chemical Reactions from Patents.
Mai Hoang DaoDat Quoc NguyenPublished in: CLEF (Working Notes) (2020)
Keyphrases
- named entity recognition
- information extraction
- chemical reactions
- named entities
- natural language processing
- text summarization
- conditional random fields
- maximum entropy
- semi supervised
- chemical reaction
- classifier ensemble
- relation extraction
- hand coded
- co occurrence
- information retrieval
- sequence labeling
- maximum entropy classifier
- chinese named entity recognition
- automatic extraction
- higher order
- high dimensional
- data sets