text-only or response selection settings (Zhu et al., 2018;Mazaré et al., 2018;Dinan et al., 2018), These approaches consider the knowledge to be grounded in text, whereas in VGDS, the knowledge is grounded in videos (with multimodal sources of information).
all of these methods are restricted to answering specific queries, and do not maintain a dialogue context, unlike what we aim to achieve in VGDS.