Improved Spoken Document Retrieval With Dynamic Key Term Lexicon and Probabilistic Latent Semantic Analysis (PLSA).
Ya-chao HsiehYu-tsun HuangChien-Chih WangLin-Shan LeePublished in: ICASSP (1) (2006)
Keyphrases
- probabilistic latent semantic analysis
- spoken document retrieval
- co occurrence
- visual features
- latent semantic
- latent semantic analysis
- negative matrix factorization
- probabilistic model
- latent dirichlet allocation
- topic models
- em algorithm
- information retrieval
- expectation maximization
- latent variables
- topic modeling
- latent topics
- generative model
- n gram
- query terms
- principal component analysis
- natural language
- keywords
- high level