PhD Student
Department of Computer Science
The University of Texas at Austin

Contact Information

Office: GDC 6.504D
Email: yxu AT cs DOT utexas DOT edu


I am a PhD student in the Department of Computer Science, working with Professor Emmett Witchel on operating systems and security. I got my Bachelor's degree from Shanghai Jiao Tong University in 2011.


Application-Defined Decentralized Access Control [pdf] [slides] [code]
Yuanzhong Xu, Alan M. Dunn, Owen S. Hofmann, Michael Z. Lee, Syed Akbar Mehdi, Emmett Witchel
in USENIX Annual Technical Conference (USENIX ATC), Philadelphia, PA, June 2014.

Eternal Sunshine of the Spotless Machine: Protecting Privacy with Ephemeral Channels [pdf]
Alan M. Dunn, Michael Z. Lee, Suman Jana, Sangman Kim, Mark Silberstein, Yuanzhong Xu, Vitaly Shmatikov, Emmett Witchel
in The 10th USENIX Symposium on Operating Systems Design and Implementation (OSDI), Hollywood, CA, October 2012.
Runner-up for 2013 Privacy Enhancing Technology award: [link]

Lower Bound for Node Buffer Size in Intermittently Connected Wireless Networks
Xinbing Wang, Tuo Yu, Yuanzhong Xu
in IEEE Transactions on Parallel and Distributed Systems (TPDS), 2012.

Fundamental Lower Bound for Node Buffer Size in Intermittently Connected Wireless Networks
Yuanzhong Xu, Xinbing Wang
in The 30th IEEE International Conference on Computer Communications (INFOCOM), Shanghai, China, April 2011.


Summer 2014 Microsoft Research
Summer 2012 Google


Fall 2011 TA for CS314 Data Structures
Spring 2012 TA for CS324E Elements of Graphics and Visualization


Fall 2011 CS380D Distributed Computing
Fall 2011 CS386W Wireless Networking
Spring 2012 CS391L Machine Learning
Spring 2012 CS388 Natural Language Processing
Fall 2012 CS388H Cryptography
Fall 2012 CS380S Secure Systems
Spring 2013 CS380C Compilers
Spring 2013 CS388G Algorithms
Fall 2013 EE382N.1 Computer Architecture


[some log] for file accesses in /etc.