Improving Language Models with Advantage-based Offline Policy Gradients.
Ashutosh BahetiXiming LuFaeze BrahmanRonan Le BrasMaarten SapMark O. RiedlPublished in: CoRR (2023)
Keyphrases
- language model
- language modeling
- probabilistic model
- n gram
- document retrieval
- speech recognition
- query expansion
- information retrieval
- language modelling
- statistical language models
- retrieval model
- context sensitive
- test collection
- ad hoc information retrieval
- pseudo relevance feedback
- relevance model
- language models for information retrieval
- query terms
- smoothing methods
- document length
- language model for information retrieval
- passage retrieval
- vector space model
- information retrieval systems
- term dependencies
- translation model
- language modeling approaches
- machine learning