Query Classification using LDA Topic Model and Sparse Representation Based Classifier.
Indrani BhattacharyaJaya SilPublished in: CODS (2016)
Keyphrases
- topic models
- latent dirichlet allocation
- classification algorithm
- topic modeling
- class labels
- feature space
- latent topics
- topic discovery
- training samples
- support vector machine
- support vector
- decision trees
- text classification
- text documents
- binary classifiers
- generative model
- co occurrence
- latent variables
- text mining
- svm classifier
- image classification
- gibbs sampling
- variational inference
- training set
- multi class
- feature selection
- multi label classification
- latent topic models
- author topic model
- feature set
- support vector machine svm
- query expansion
- text classifiers
- supervised learning
- probabilistic model
- feature vectors
- lda model
- feature extraction
- naive bayes
- pattern classification
- text categorization
- em algorithm
- keywords
- face recognition