Variational Bayesian PCA versus k-NN on a Very Sparse Reddit Voting Dataset.
Jussa KlapuriIlari T. NieminenTapani RaikoKrista LagusPublished in: IDA (2013)
Keyphrases
- knn
- variational bayesian
- k nearest neighbor
- k nearest
- nearest neighbor
- principal component analysis
- high dimensional
- text categorization
- factor analysis
- matrix factorization
- k nearest neighbour
- distance function
- expectation maximization
- feature selection
- similarity search
- independent component analysis
- neural network
- dirichlet process
- exponential family
- incomplete data
- face recognition
- support vector machine
- text classification
- dimensionality reduction
- machine learning
- image segmentation
- gaussian processes
- support vector
- discriminant analysis
- feature space
- probabilistic model