The generalized dirichlet distribution in enhanced topic detection.
Karla L. Caballero EspinosaJoel BarajasRam AkellaPublished in: CIKM (2012)
Keyphrases
- dirichlet distribution
- topic detection
- mixture model
- discrete data
- text classification
- prior distribution
- document collections
- text data
- document clustering
- power law
- latent dirichlet allocation
- knn
- continuous data
- similarity measure
- unsupervised learning
- expectation maximization
- information retrieval systems
- principal component analysis
- bayesian classifiers
- knowledge discovery