Varifocal Question Generation for Fact-checking Nedjma Ousidhoum author Zhangdie Yuan author Andreas Vlachos author 2022-12 text Proceedings of the 2022 Conference on Empirical Methods in Natural Language Processing Yoav Goldberg editor Zornitsa Kozareva editor Yue Zhang editor Association for Computational Linguistics Abu Dhabi, United Arab Emirates conference publication ousidhoum-etal-2022-varifocal 10.18653/v1/2022.emnlp-main.163 https://aclanthology.org/2022.emnlp-main.163/ 2022-12 2532 2544