Dongbo Xi/奚冬博

 Meituan

1

Education

Dongbo Xi is a research engineer in Meituan. Before joining Meituan, he received M.S. degree under the supervision of Prof. Qing He and Fuzhen Zhuang in the Key Laboratory of Intelligent Information Processing, Institute of Computing Technology, Chinese Academy of Sciences (ICT, CAS) in 2020 and B.S. degree in  Computer Science and Technology from Nanjing University of Aeronautics and Astronautics (NUAA) in 2017.

2

Research

His research interests include Recommender Systems and Transfer Learning.

3

Publications

Google Scholar: Dongbo Xi
DBLP: Dongbo Xi

[1] Dongbo Xi, Fuzhen Zhuang, Yanchi Liu, Jingjing Gu, Hui Xiong, Qing He: Modelling of Bi-directional Spatio-Temporal Dependence and Users' Dynamic Preferences for Missing POI Check-in Identification. AAAI  2019. [paper]
[2] Dongbo Xi, Fuzhen Zhuang, Ganbin Zhou, Xiaohu Chen, Fen Lin, Qing He: Domain Adaptation with Category Attention Network for Deep Sentiment Analysis. TheWebConf 2020. [paper]
[3] Dongbo Xi, Fuzhen Zhuang, Bowen Song, Yongchun Zhu, Shuai Chen, Dan Hong, Tao Chen, Xi Gu, Qing He: Neural Hierarchical Factorization Machines for User's Event Sequence Analysis. SIGIR 2020.  [paper]
[4] Yongchun Zhu, Dongbo Xi, Bowen Song, Fuzhen Zhuang, Shuai Chen, Xi Gu, Qing He: Modeling Users’ Behavior Sequences with Hierarchical Explainable Network for Cross-domain Fraud Detection. TheWebConf 2020. [paper]
[5] Fuzhen Zhuang, Zhiyuan Qi, Keyu Duan, Dongbo Xi, Yongchun Zhu, Hengshu Zhu, Hui Xiong, Qing He: A Comprehensive Survey on Transfer Learning. Proceedings of the IEEE, 2020.  [paper]
[6] Dongbo Xi, Fuzhen Zhuang, Yanchi Liu, Hengshu Zhu, Pengpeng Zhao, Chang Tan, Qing He: Exploiting Bi-directional Global Transition Patterns and Personal Preferences for Missing POI Category Identification. Neural Networks 2020.  [paper]
[7] Dongbo Xi, Bowen Song, Fuzhen Zhuang, Yongchun Zhu, Shuai Chen, Tianyi Zhang, Yuan Qi, Qing He: Modeling the Field Value Variations and Field Interactions Simultaneously for Fraud Detection. AAAI 2021. [paper]
[8] Yongchun Zhu, Kaikai Ge, Fuzhen Zhuang, Ruobing Xie, Dongbo Xi, Xu Zhang, Leyu Lin, Qing He: Transfer-Meta Framework for Cross-domain Recommendation to Cold-Start Users. SIGIR 2021. [paper]
[9] Dongbo Xi, Zhen Chen, Peng Yan, Yinger Zhang, Yongchun Zhu, Fuzhen Zhuang, Yu Chen: Modeling the Sequential Dependence among Audience Multi-step Conversions with Multi-task Learning in Targeted Display Advertising. KDD 2021. [paper]

Under Review
[1] Dongbo Xi, Fuzhen Zhuang, Yongchun Zhu, Pengpeng Zhao, Xiangliang Zhang, Qing He: Graph Factorization Machines for Cross-Domain Recommendation. [paper]

4

Projects

· 2019-2020: Ant Financial Security Special Research Fund
We focus on the fraud detection tasks in a world-leading e-commerce platform LAZADA. We not only solve the fraud detection task in one country, but also cross-border fraud detection. Our work has been accepted by TheWebConf2020, SIGIR2020 and AAAI2021. Besides, we won the first place in the Ant Financial Security Special Research Fund (1/19).

5

Internships

· Research intern at Ant Financial Services Group, 2019.
· Research intern at Baidu, 2018.

6

Awards

· Meituan Financial New Star (美团金服新星)
· Excellent Award of President of Chinese Academy of Sciences (中国科学院院长优秀奖)
· National Scholarship (国家奖学金)
· National Encouragement Scholarship (国家励志奖学金)
· Master's Award of E fund (易方达金融科技硕士生奖)
· CATIC Scholarship (中航技奖学金)
· Merit Student many times (多次三好学生)
· Multiple First-class Scholarships (多次一等奖学金)
· AAAI2019 Scholarship 
· The First Prize of the Third National University Mobile Internet Application Development Innovation Competition (第三届MIAC全国高校移动互联网应用开发创新大赛一等奖)
...

7

Patents

· 宋博文,奚冬博:一种私有数据保护的模型学习方法、装置及系统 - 202010198214.X 审中-实审.
· 张颖而,奚冬博,陈振,燕鹏:一种信息推荐的方法及装置 - 202011479723.6 审中-公开.

8

Journal and Conference Reviewer

· COMPUTATIONAL INTELLIGENCE.
· AAAI 2021.

Contacts

Address:

Block B, Hengdian Building, No.4, Wangjing East Road, Chaoyang District, Beijing, China

E-mail:

xidongbo[at]meituan[dot]com

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