Detection of Dialogue Acts Using Perplexity-Based Word Clustering.
Iosif MporasDimitrios P. LyrasKyriakos N. SgarbasNikos FakotakisPublished in: TSD (2007)
Keyphrases
- k means
- clustering algorithm
- detection algorithm
- anomaly detection
- automatic detection
- clustering method
- detection accuracy
- language model
- detection method
- false alarms
- n gram
- detection rate
- categorical data
- self organizing maps
- cluster analysis
- data clustering
- unsupervised learning
- co occurrence
- training corpus
- fuzzy clustering
- false positives
- topic models
- object detection
- feature space