How to Classify Tutorial Dialogue? Comparing Feature Vectors vs. Sequences.
José P. González-BrenesJack MostowWeisi DuanPublished in: EDM (2011)
Keyphrases
- feature vectors
- tutorial dialogue
- dialogue system
- natural language dialogue
- feature vectors are extracted
- intelligent tutoring systems
- rotation invariant
- hidden markov models
- euclidean distance
- feature space
- train a support vector machine
- sequential patterns
- feature extraction
- face images
- automatic classification
- gaussian mixture model
- machine learning
- support vector machine
- artificial intelligence