Boosting drug named entity recognition using an aggregate classifier.
Ioannis KorkontzelosDimitrios PiliourasAndrew W. DowseySophia AnaniadouPublished in: Artif. Intell. Medicine (2015)
Keyphrases
- named entities
- co training
- weak classifiers
- named entity recognition
- ensemble learning
- weak learners
- information extraction
- feature selection
- natural language processing
- text mining
- named entity extraction
- co occurrence
- learning algorithm
- relation extraction
- ensemble classifier
- noun phrases
- annotated corpus
- decision trees
- linguistic features
- question answering
- unsupervised learning
- maximum entropy model
- feature set
- training set
- feature space
- ensemble methods
- global context
- weakly supervised
- proper names
- class labels
- real world
- principal component analysis
- pattern recognition
- feature extraction
- machine learning