Characteristics of Harmful Text: Towards Rigorous Benchmarking of Language Models - Rauh, Maribeth; Mellor, John; Uesato, Jonathan; Huang, Po-Sen; Welbl, Johannes; Weidinger, Laura; Dathathri, Sumanth; Glaese, Amelia; Irving, Geoffrey; Gabriel, Iason; Isaac, William; Hendricks, Lisa Anne (Advances in Neural Information Processing Systems, 2022)