Wu, H., Z. Hu, J. Jia, Y. Bu, X. He, and T.-S. Chua. “Mining Unfollow Behavior in Large-Scale Online Social Networks via Spatial-Temporal Interaction”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 34, no. 01, Apr. 2020, pp. 254-61, doi:10.1609/aaai.v34i01.5358.