A Scalable Generative Topographic Mapping for Sparse Data Sequences.
Ata KabánPublished in: ITCC (1) (2005)
Keyphrases
- sparse data
- high dimensional
- generative topographic mapping
- low dimensional
- dimension reduction
- self organizing maps
- databases
- random projections
- density estimation
- multi dimensional
- feature space
- data cube
- data clustering
- em algorithm
- learning algorithm
- high dimensional data
- machine learning
- euclidean distance
- data sets
- data mining
- least squares
- data warehouse
- real world
- image processing