FIBER: Fill-in-the-Blanks as a Challenging Video Understanding Evaluation Framework Santiago Castro author Ruoyao Wang author Pingxuan Huang author Ian Stewart author Oana Ignat author Nan Liu author Jonathan Stroud author Rada Mihalcea author 2022-05 text Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Smaranda Muresan editor Preslav Nakov editor Aline Villavicencio editor Association for Computational Linguistics Dublin, Ireland conference publication castro-etal-2022-fiber 10.18653/v1/2022.acl-long.209 https://aclanthology.org/2022.acl-long.209/ 2022-05 2925 2940