Unsupervised Corpus Aware Language Model Pre-training for Dense Passage Retrieval.
Luyu GaoJamie CallanPublished in: CoRR (2021)
Keyphrases
- language model
- passage retrieval
- document retrieval
- language modeling
- document level
- retrieval model
- query expansion
- n gram
- document ranking
- information retrieval
- supervised learning
- speech recognition
- statistical machine translation
- sentence retrieval
- relevance model
- multiword
- probabilistic model
- test collection
- pseudo relevance feedback
- vector space model
- translation model
- question answering
- smoothing methods
- document representation
- query terms
- natural language