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CSL SINE SEMINAR, Lili Su, Massachusetts Institute of Technology

Originating Calendar CSL SINE Group
Speaker Lili Su, Postdoc, Computer Science and Artificial Intelligence Laboratory, Massachusetts Institute of Technology
Date: 11/12/2019
Time: 4 p.m. - 5 p.m.
Location: 141 CSL; 1308 W. Main Street, Urbana
Event Contact: Peggy Wells
pwells@illinois.edu
Sponsor: Coordinated Science Lab
Event Type: Seminar/Symposium
 

Title: Learning with Distributed Systems: Adversary-Resilience 

Abstract: 

In this talk, I will talk about how to secure Federated Learning (FL) against adversarial faults.  FL is a new distributed learning paradigm proposed by Google. The goal of FL is to enable the cloud (i.e., the learner) to train a model without collecting the training data from users' mobile devices. Compared with traditional learning, FL suffers serious security issues and several practical constraints call for new security strategies. Towards quantitative and systematic insights into the impacts of those security issues, we formulated and studied the problem of Byzantine-resilient Federated Learning. We proposed two robust learning rules that secure gradient descent against Byzantine faults.  The estimation error achieved under our more recently proposed rule is order-optimal in the minimax sense. 

Bio:  Lili Su is a postdoc in the Computer Science and Artificial Intelligence Laboratory (CSAIL) at MIT, hosted by Professor Nancy Lynch.  She received a Ph.D. in Electrical and Computer Engineering from the University of Illinois at Urbana-Champaign in 2017, supervised by Professor Nitin H. Vaidya. Her research intersects distributed systems, learning, security, and brain computing. She was among three nominees (finalist) for the Best Student Paper Award at DISC 2016, and she received the 2015 Best Student Paper Award at SSS 2015. She received UIUC's Sundaram Seshu International Student Fellowship for 2016, and was invited to participate in Rising Stars in EECS (2018).  She has served on TPC for several conferences including ICDCS and ICDCN. 

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