An empirical investigation of sparse log-linear models for improved dialogue act classification.
Yun-Nung ChenWilliam Yang WangAlexander I. RudnickyPublished in: ICASSP (2013)
Keyphrases
- log linear models
- pattern recognition
- feature vectors
- decision trees
- feature extraction
- pattern classification
- classification algorithm
- training samples
- text classification
- information retrieval
- efficient learning
- image classification
- feature space
- support vector
- graphical models
- feature set
- supervised learning
- training set
- feature selection
- machine learning