Wang, L., J. Wu, S.-L. Huang, L. Zheng, X. Xu, L. Zhang, and J. Huang. “An Efficient Approach to Informative Feature Extraction from Multimodal Data”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 33, no. 01, July 2019, pp. 5281-8, doi:10.1609/aaai.v33i01.33015281.