When Not to Trust Language Models: Investigating Effectiveness and Limitations of Parametric and Non-Parametric Memories.
Alex MallenAkari AsaiVictor ZhongRajarshi DasHannaneh HajishirziDaniel KhashabiPublished in: CoRR (2022)
Keyphrases
- language model
- language modeling
- n gram
- speech recognition
- probabilistic model
- information retrieval
- document retrieval
- retrieval model
- query expansion
- ad hoc information retrieval
- statistical language models
- test collection
- document ranking
- smoothing methods
- language modelling
- mixture model
- parametric models
- document length
- language models for information retrieval
- word error rate
- query terms