Text Classification in a Hierarchical Mixture Model for Small Training Sets.
Kristina ToutanovaFrancine ChenKris PopatThomas HofmannPublished in: CIKM (2001)
Keyphrases
- mixture model
- text classification
- unsupervised learning
- em algorithm
- probabilistic model
- gaussian mixture model
- generative model
- bag of words
- density estimation
- feature selection
- maximum likelihood
- text categorization
- mixture modeling
- model selection
- language model
- expectation maximization
- machine learning
- naive bayes
- text mining
- probability density function
- knn
- text documents
- labeled data
- supervised learning
- multi label
- learning algorithm
- language modeling
- mixture components
- finite mixture model
- unlabeled data
- image processing
- semi supervised learning
- image classification