Extraction of Chemical and Drug Named Entities by Ensemble Learning Using Chemical NER Tools Based on Different Extraction Guidelines.
Thaer M. DiebMasaharu YoshiokaPublished in: Trans. Mach. Learn. Data Min. (2015)
Keyphrases
- named entities
- information extraction
- named entity recognition
- ensemble learning
- relation extraction
- co occurrence
- chinese named entity recognition
- text mining
- question answering
- natural language processing
- annotated corpus
- automatic extraction
- generalization ability
- neural network
- ensemble methods
- concept drift
- genia corpus
- base classifiers
- maximum entropy
- data analysis
- natural language
- pattern recognition
- text summarization
- similarity measure
- feature selection
- data sets