Wang He Currently works in Xiaomi's commercial algorithm department, engaged in the research and development of ad recommendation in app stores. He has participated in many domestic and international algorithm competitions from 2018 to 2020, and won 5 championships and 5 runner-ups, and was the champion of Tencent Advertising Algorithm Competition in 2019 and 2020. He graduated from the School of Computer Science of Wuhan University with a master's degree, and his research interest is focusing on graph data mining.Peng Liu is an algorithm engineer at Huawei Technologies Co., Ltd. and is engaged in the research and development of algorithms in the field of telecom operators and intelligent operation and maintenance. he graduated from Wuhan University in 2016 with a bachelor's degree in mathematics base class, and was admitted to the Department of Automation at the University of Science and Technology of China. His research interests during his master's degree are complex networks andmachine learning, and he has won several awards in machine learning-related competitions since 2018. Qian Qian is the Software Algorithm Expert, working on research and development of 3d point cloud perception algorithm for Innovusion. He studied at Georgia Tech University in the U.S., and his research interests include machine learning, deep learning, natural language processing, point cloud, etc.