Keyphrases
- text classification
- active learning
- machine learning
- labeled data
- bag of words
- text mining
- unlabeled data
- text categorization
- feature selection
- transfer learning
- n gram
- learning algorithm
- document classification
- naive bayes
- text data
- active learning strategies
- selective sampling
- semantic features
- text documents
- sentiment analysis
- learning strategies
- data cleaning
- training examples
- supervised learning
- semi supervised
- text classification tasks
- training set
- semi supervised learning
- multi label
- knn
- text classifiers
- training documents
- pool based active learning
- imbalanced data classification
- batch mode
- learning process
- training data
- class labels
- unsupervised learning
- sample selection
- data mining
- data sets