Cherian, A., C. Hori, T. K. Marks, and J. Le Roux. “(2.5+1)D Spatio-Temporal Scene Graphs for Video Question Answering”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 36, no. 1, June 2022, pp. 444-53, doi:10.1609/aaai.v36i1.19922.