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Context: We consider the following pretraining datasets: English Wikipedia(11.8GB); BookCorpus (Zhu et al. 2015, 4.2GB); Stories (Trinh and Le 2018, 31GB); OpenWebText (Gokaslan and Cohen 2019, 38GB), which is an open-source version of WebText Radford et al. (2019); CC-NEWS (Liu et al. 2019, 76 GB); and C4.En (Raffel et al. 2020, 305GB), as provided by Dodge et al. (2021). We use the versions of Wikipedia, BookCorpus, and CC-NEWS used to pretrain RoBERTa.

Question: What are the pretraining datasets used in analyses?
English Wikipedia, BookCorpus, Stories, OpenWebText, CC-NEWS, and C4.En datasets were used in pretraining.