Sophia: A Scalable Stochastic Second-order Optimizer for Language Model Pre-training.
Hong LiuZhiyuan LiDavid HallPercy LiangTengyu MaPublished in: CoRR (2023)
Keyphrases
- language model
- language modeling
- speech recognition
- n gram
- information retrieval
- document retrieval
- probabilistic model
- retrieval model
- query expansion
- mixture model
- test collection
- ad hoc information retrieval
- statistical language models
- language modelling
- document ranking
- pseudo relevance feedback
- smoothing methods
- language model for information retrieval
- query terms
- vector space model
- context sensitive
- training set
- translation model
- image retrieval
- dirichlet prior
- statistical language modeling
- keywords