Surface-Based Retrieval Reduces Perplexity of Retrieval-Augmented Language Models.
Ehsan DoostmohammadiTobias NorlundMarco KuhlmannRichard JohanssonPublished in: CoRR (2023)
Keyphrases
- language model
- retrieval model
- document retrieval
- test collection
- query expansion
- information retrieval
- ad hoc information retrieval
- language modeling
- language models for information retrieval
- relevance model
- n gram
- smoothing methods
- query specific
- statistical language models
- document length
- query terms
- cross language retrieval
- document ranking
- speech recognition
- text retrieval
- term dependencies
- retrieval effectiveness
- passage retrieval
- language modelling
- probabilistic model
- information retrieval systems
- image database
- ir models
- pseudo relevance feedback
- okapi bm
- image retrieval
- document level
- ad hoc retrieval
- expert finding
- translation model
- retrieved documents
- word error rate
- retrieval accuracy
- retrieval process
- relevant documents
- retrieval systems