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