Chen, Jin, Tiezheng Ge, Gangwei Jiang, Zhiqiang Zhang, Defu Lian, and Kai Zheng. 2021. “Efficient Optimal Selection for Composited Advertising Creatives With Tree Structure”. Proceedings of the AAAI Conference on Artificial Intelligence 35 (5):3967-75. https://doi.org/10.1609/aaai.v35i5.16516.