Visually Grounded Follow-up Questions: a Dataset of Spatial Questions Which Require Dialogue History Tianai Dong author Alberto Testoni author Luciana Benotti author Raffaella Bernardi author 2021-08 text Proceedings of Second International Combined Workshop on Spatial Language Understanding and Grounded Communication for Robotics Malihe Alikhani editor Valts Blukis editor Parisa Kordjamshidi editor Aishwarya Padmakumar editor Hao Tan editor Association for Computational Linguistics Online conference publication dong-etal-2021-visually 10.18653/v1/2021.splurobonlp-1.3 https://aclanthology.org/2021.splurobonlp-1.3/ 2021-08 22 31