RegaVAE: A Retrieval-Augmented Gaussian Mixture Variational Auto-Encoder for Language Modeling.
Jingcheng DengLiang PangHuawei ShenXueqi ChengPublished in: CoRR (2023)
Keyphrases
- language modeling
- gaussian mixture
- retrieval model
- query expansion
- language model
- information retrieval
- document retrieval
- test collection
- information retrieval systems
- relevance model
- mixture model
- retrieval effectiveness
- expectation maximization
- em algorithm
- document length
- cross lingual
- relevance feedback
- closed form
- statistical language modeling
- probability density function
- retrieval systems
- probabilistic model
- vector space
- gaussian mixture model
- n gram
- covariance matrix
- query terms
- density estimation
- relevant documents
- text classification
- smoothing methods
- motion estimation
- learning algorithm
- image segmentation
- bayesian networks
- model selection
- document collections
- user queries