Fraud Detection in Telecommunications Using Kullback-Leibler Divergence and Latent Dirichlet Allocation.
Dominik OlszewskiPublished in: ICANNGA (2) (2011)
Keyphrases
- fraud detection
- kullback leibler divergence
- latent dirichlet allocation
- topic models
- outlier detection
- information theoretic
- generative model
- mutual information
- data mining techniques
- probability density function
- distance measure
- cost sensitive
- text mining
- social network analysis
- probabilistic latent semantic analysis
- data mining
- dimensionality reduction
- bayesian framework
- knowledge discovery
- probabilistic model
- high dimensional
- feature space
- data analysis
- training data
- image processing