Can Generative Pre-trained Language Models Serve As Knowledge Bases for Closed-book QA?
Cunxiang WangPai LiuYue ZhangPublished in: ACL/IJCNLP (1) (2021)
Keyphrases
- language model
- pre trained
- knowledge base
- language modeling
- passage retrieval
- question answering
- document retrieval
- probabilistic model
- n gram
- training data
- generative model
- retrieval model
- information retrieval
- query expansion
- speech recognition
- language modelling
- training examples
- statistical language models
- test collection
- control signals
- pseudo relevance feedback
- relevance model
- language modeling framework
- language models for information retrieval
- neural network
- smoothing methods
- feature extraction
- wordnet
- prior knowledge