Study on Feature Selection in Finance Text Categorization.
Changqiu SunXiaolong WangJun XuPublished in: SMC (2009)
Keyphrases
- text categorization
- feature selection
- text classification
- automated text categorization
- information gain
- knn
- reuters corpus
- feature generation
- multi label
- k nearest neighbor
- feature weighting
- naive bayes
- text classifiers
- text documents
- feature selections
- term frequency
- document frequency
- learning algorithm
- data sets
- unlabeled data
- semi supervised learning
- tf idf
- text filtering
- text mining
- term weighting
- distributional clustering
- svm classifier
- training documents
- image classification
- mutual information
- support vector machine
- neural network