Unsupervised topic clustering of switchboard speech messages.
Beth A. CarlsonPublished in: ICASSP (1996)
Keyphrases
- conversational speech
- unsupervised learning
- topic discovery
- clustering algorithm
- automatic speech recognition
- k means
- speech recognition
- clustering method
- unsupervised clustering
- unsupervised manner
- topic modeling
- cluster validation
- unsupervised classification
- information bottleneck
- agglomerative clustering
- supervised classification
- hierarchical clustering
- data clustering
- topic detection
- information theoretic
- unsupervised feature selection
- supervised learning
- spectral clustering
- topic models
- speech signal
- latent dirichlet allocation
- document clustering
- information retrieval
- completely unsupervised
- data sets
- broadcast news
- news stories
- categorical data
- news articles
- outlier detection