Hu, B., Zhang, Z., Shi, C., Zhou, J., Li, X., & Qi, Y. (2019). Cash-Out User Detection Based on Attributed Heterogeneous Information Network with a Hierarchical Attention Mechanism. Proceedings of the AAAI Conference on Artificial Intelligence, 33(01), 946-953. https://doi.org/10.1609/aaai.v33i01.3301946