Improving Patient Opinion Mining through Multi-step Classification.
Lei XiaAnna Lisa GentileJames MunroJosé IriaPublished in: TSD (2009)
Keyphrases
- multi step
- opinion mining
- sentiment analysis
- support vector machine svm
- feature vectors
- text classification
- decision trees
- support vector machine
- machine learning
- customer reviews
- support vector
- feature space
- image classification
- online product reviews
- product features
- feature extraction
- k nearest neighbor
- artificial intelligence
- product reviews
- semi supervised
- supervised learning
- knn
- training set
- reinforcement learning
- feature selection
- information retrieval