Document clustering using mixture model of von Mises-Fisher distributions on document manifold.
Nguyen Kim AnhNguyen The TarnNgo Van LinhPublished in: SoCPaR (2013)
Keyphrases
- document clustering
- von mises fisher
- mixture model
- unit sphere
- noise model
- document collections
- text mining
- text documents
- probabilistic model
- gaussian mixture model
- em algorithm
- multi variate
- clustering method
- clustering algorithm
- generative model
- vector space model
- unsupervised learning
- expectation maximization
- unsupervised classification
- maximum likelihood
- information retrieval
- k means
- high dimensional
- model selection
- low dimensional
- language model
- feature space
- machine learning
- bag of words
- noise level