Clustering-based Method for Positive and Unlabeled Text Categorization Enhanced by Improved TFIDF.

Lu Liu Tao Peng

Published in: J. Inf. Sci. Eng. (2014)

Keyphrases

text categorization
feature selection
document classification
mutual information
unsupervised learning
neural network
k nearest neighbor
semi supervised learning
multi label
document frequency
transductive support vector machine
data sets
prior knowledge
classification accuracy
feature set
model selection