Lee, K., Duan, N., Ji, L., Li, J., & Hwang, S.- won. (2020). Segment-Then-Rank: Non-Factoid Question Answering on Instructional Videos. Proceedings of the AAAI Conference on Artificial Intelligence, 34(05), 8147-8154. https://doi.org/10.1609/aaai.v34i05.6327