Garcia, N., M. Otani, C. Chu, and Y. Nakashima. “KnowIT VQA: Answering Knowledge-Based Questions about Videos”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 34, no. 07, Apr. 2020, pp. 10826-34, doi:10.1609/aaai.v34i07.6713.