Cascaded classifiers for confidence-based chemical named entity recognition.
Peter T. CorbettAnn A. CopestakePublished in: BMC Bioinform. (2008)
Keyphrases
- named entity recognition
- classifier ensemble
- information extraction
- named entities
- natural language processing
- text summarization
- conditional random fields
- maximum entropy
- semi supervised
- sequence labeling
- decision trees
- relation extraction
- proper names
- classification algorithm
- training set
- training data
- feature selection
- annotated corpus
- feature set
- ensemble classifier
- maximum entropy classifier
- databases
- class labels
- computer vision
- data sets
- training samples
- higher order
- ensemble learning
- text mining
- supervised learning
- data analysis
- feature extraction
- artificial intelligence
- machine learning
- named entity disambiguation