Can Generative Pre-trained Language Models Serve as Knowledge Bases for Closed-book QA?
Cunxiang WangPai LiuYue ZhangPublished in: CoRR (2021)
Keyphrases
- language model
- pre trained
- knowledge base
- language modeling
- passage retrieval
- probabilistic model
- document retrieval
- n gram
- training data
- question answering
- information retrieval
- language modelling
- generative model
- query expansion
- test collection
- speech recognition
- training examples
- retrieval model
- statistical language models
- relevance model
- language models for information retrieval
- control signals
- smoothing methods
- unsupervised learning
- pseudo relevance feedback
- multi modal
- prior knowledge
- computer vision