Chemical entity extraction using CRF and an ensemble of extractors.
Madian KhabsaC. Lee GilesPublished in: J. Cheminformatics (2015)
Keyphrases
- entity extraction
- information extraction
- conditional random fields
- relation extraction
- natural language processing
- text mining
- text processing
- named entity recognition
- entity ranking
- pairwise
- information retrieval
- coreference resolution
- maximum entropy
- question answering
- web documents
- graphical models
- general purpose
- automatic extraction
- semantic features
- classification accuracy
- training set
- search engine
- machine learning
- higher order
- low level