Zhijing Li

I am a research scientist at Facebook. I work on ads ranking ML modeling.

I completed my Ph.D. from the Department of Computer Science at UC Santa Barbara in June, 2019, where I was co-advised by Prof. Ben Y. Zhao and Prof. Heather Zheng. I was a visiting scholar of University of Chicago in 2018 and 2019, working in SAND Lab. I received my Bachelor's degree from the Department of Computer Science and Engineering at Shanghai Jiao Tong University in July, 2014.

My PhD focuses on networking/mobile measurement, and developing end-to-end systems that leverage data-driven & machine learning techniques to optimize the networking/mobile applications.

News

Feb. 2020: Our work on Wearable Microphone Jammers is reported by New York Times!
Aug. 2019: Adversarial WiFi sensing paper is accepted by NDSS'20.
Jun. 2019: Passed the PhD defense.
Mar. 2019: ML for spectrum anomaly detection paper is accepted by MobiHoc'19.

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Publications

Wearable Microphone Jamming
Yuxin Chen, Huiying Li, Shan-Yuan Teng, Steven Nagels, Zhijing Li, Pedro Lopes, Ben Y Zhao and Haitao Zheng.
In Proceedings of ACM CHI Conference on Human Factors in Computing Systems (CHI), Honolulu, HI, Apr 2020
Et Tu Alexa? When Commodity WiFi Devices Turn into Adversarial Motion Sensors
Yanzi Zhu, Zhujun Xiao, Yuxin Chen, Zhijing Li, Max Liu, Ben Y Zhao and Haitao Zheng.
In Proceedings of the 27th Network & Distributed System Security Symposium (NDSS), San Diego, CA, Feb 2020.
Scaling Deep Learning Models for Spectrum Anomaly Detection
Zhijing Li, Zhujun Xiao, Bolun Wang, Ben. Y. Zhao and Haitao Zheng.
In Proceedings of the 20th ACM International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc), Catania, Italy, Jul 2019.
Predictive Analysis in Network Function Virtualization
Zhijing Li, Zihui Ge, Ajay Mahimkar, Jia Wang, Ben Y. Zhao, Haitao Zheng, Joanne Emmons and Laura Ogden.
In Proceedings of 18th ACM SIGCOMM Internet Measurement Conference (IMC), Boston, USA, Nov 2018.
Adversarial Localization against Wireless Cameras
Zhijing Li, Zhujun Xiao, Yanzi Zhu, Irene Pattarachanyakul, Ben Y. Zhao and Haitao Zheng.
In Proceedings of the 19th International Workshop on Mobile Computing Systems and Applications (HotMobile), Tempe, USA, Feb 2018.
Identifying Value in Crowdsourced Wireless Signal Measurements
Zhijing Li, Ana Nika, Xinyi Zhang, Yanzi Zhu, Yuanshun Yao, Ben Y. Zhao and Haitao Zheng.
In Proceedings of the 26th World Wide Web Conference (WWW), Perth, Australia, Apr 2017.
Accuracy vs. Cost in Commodity Spectrum Monitoring
Ana Nika, Zhijing Li, Yanzi Zhu, Yibo Zhu, Xia Zhou, Ben Y. Zhao and Haitao Zheng.
In Proceedings of the 14th ACM Conference on Embedded Networked Sensor Systems (SenSys), Stanford, USA, Nov 2016.
Differentially Private Spectrum Auction with Approximate Revenue Maximization
Ruihao Zhu, Zhijing Li, Fan Wu, Kang G. Shin and Guihai Chen.
In Proceedings of the 15th ACM International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc), Philadelphia, USA, Aug 2014.
Adversarial WiFi Sensing
Yanzi Zhu, Zhujun Xiao, Yuxin Chen, Zhijing Li, Max Liu, Ben Y Zhao and Haitao Zheng.
arXiv preprint arXiv:1810.10109
Understanding the Effectiveness of Ultrasonic Microphone Jammer
Yuxin Chen, Huiying Li, Steven Nagels, Zhijing Li, Pedro Lopes, Ben Y Zhao and Haitao Zheng.
arXiv preprint arXiv:1904.08490