PLSA Based Topic Mixture Language Modeling Approach.
Shuanhu BaiHaizhou LiPublished in: ISCSLP (2008)
Keyphrases
- language modeling
- expert finding
- language model
- probabilistic model
- mixture model
- topic models
- topic modeling
- retrieval model
- information retrieval
- query expansion
- cross lingual
- text classification
- probabilistic latent semantic analysis
- n gram
- expectation maximization
- improvements in retrieval effectiveness
- generative model
- latent dirichlet allocation
- test collection
- statistical language models
- visual features
- retrieval effectiveness
- statistical language modeling
- learning algorithm
- relevance model
- news articles
- co occurrence
- vector space model
- lda model
- document retrieval
- text documents