Online sketching of big categorical data with absent features.
Yanning ShenMorteza MardaniGeorgios B. GiannakisPublished in: CISS (2015)
Keyphrases
- categorical data
- cluster analysis
- parameter free
- feature extraction
- numerical data
- online learning
- correspondence analysis
- numeric data
- feature set
- machine learning
- co occurrence
- data analysis
- pattern recognition
- text classification
- hierarchical clustering algorithm
- numerical attributes
- reinforcement learning
- databases
- hierarchical latent class models