Yu, Z., D. Xu, J. Yu, T. Yu, Z. Zhao, Y. Zhuang, and D. Tao. “ActivityNet-QA: A Dataset for Understanding Complex Web Videos via Question Answering”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 33, no. 01, July 2019, pp. 9127-34, doi:10.1609/aaai.v33i01.33019127.