Powerful LMs such as GPT-3 and T5 have impressive ability to answer questions by continuing a textual prompt. However, how can we know when an LM knows the answer with confidence, and when it's making a random guess? Our new preprint asks this: https://t.co/Gupb7WP9zS 1/N pic.twitter.com/aahY9P4hZU
— Graham Neubig (@gneubig) December 2, 2020