I am currently a Ph.D. student in the Department of Computer Science at UNC-Chapel Hill, under the supervision of Professor Sanjoy K. Baruah. I am a member of the Real-Time Systems Group. I received my B.E. at the Department of Computer Science and Engineering at Shanghai Jiao Tong University in 2008.

Research Interests

Publications

Refereed Journal Papers

• Sanjoy Baruah, Vincenzo Bonifaci, Gianlorenzo D'Angelo, Haohan Li, Alberto Marchetti-Spaccamela, Nicole Megow and Leen Stougie. Scheduling real-time mixed-criticality jobs. IEEE Transactions on Computers, to appear.
  

Refereed Conference Papers

• Haohan Li and Sanjoy Baruah. An algorithm for scheduling certifiable mixed-criticality sporadic task systems. Proceedings of the IEEE Real-Time Systems Symposium (RTSS), San Diego, CA. December 2010. IEEE Computer Society Press. [presentation slides]
  
• Haohan Li and Sanjoy Baruah. Load-based schedulability analysis of certifiable mixed-criticality systems. Proceedings of the 10th International Conference on Embedded Software (EMSOFT), Scottsdale, AZ. October 2010. ACM Press.
  
• Sanjoy Baruah, Vincenzo Bonifaci, Gianlorenzo D'Angelo, Haohan Li, Alberto Marchetti-Spaccamela, Nicole Megow, and Leen Stougie. Scheduling real-time mixed-criticality jobs. Proceedings of the 35th International Symposium on the Mathematical Foundations of Computer Science (MFCS), Brno, Czech Republic. August 2010. Springer-Verlag.
  
• Sanjoy Baruah, Haohan Li, and Leen Stougie. Mixed-criticality scheduling: improved resource-augmentation results. Proceedings of the ISCA International Confernece on Computers and Their Applications (CATA), Honolulu, Hawaii. March 2010.
  
• Sanjoy Baruah, Haohan Li, and Leen Stougie. Towards the design of certifiable mixed-criticality systems. Proceedings of the Real-Time Technology and Applications Symposium (RTAS), Stockholm, Sweden. April 2010. IEEE Computer Society Press. [presentation slides]
  

Workshop Papers

• Sanjoy Baruah, Vincenzo Bonifaci, Gianlorenzo D'Angelo, Haohan Li, Alberto Marchetti-Spaccamela, Nicole Megow and Leen Stougie. Mixed-criticality scheduling. 10th Workshop on Models and Algorithms for Planning and Scheduling Problems (MAPSP), Nymburk, Czech Republic. June 2011.
  

Teaching

• Fall 2008: Teaching Assistant of COMP110: Introduction to Programming (WWW based)
  
• Spring 2009: Teaching Assistant of COMP541: Digital Logic and Computer Design
  
• Fall 2009: Teaching Assistant of COMP116: Introduction to Scientific Programming
  

Selected Courses

• Fall 2008: Algorithm Analysis, from Dr. Jim Anderson
  
• Spring 2009: Distributed and Concurrent Algorithms, from Dr. Jim Anderson
  
• Fall 2009: Computational Geometry, from Dr. Jack Snoeyink
  
• Fall 2009: Parallel Computing, from Dr. Jan F. Prins
  
• Spring 2010: Real-time Systems, from Dr. Jim Anderson
  
• Fall 2010: Crafting a Research Paper/Talk, from Dr. Prasun Dewan (my presentations)
  
• Spring 2011: Technical Communication in Computer Science, from Dr. Fred Brooks
  

Miscellaneous

• My Erdős number is 3, computed by Microsoft Academic Research.
  
• My favorite hobby is soccer. I love both watching and playing soccer games.
  
• Wolfram|Alpha: Computational Knowledge Engine. An extremely helpful mathematical engine.
  
• Mathematics Genealogy Project. This website constructs a huge Ph.D. familiy tree (or forest, actually). There is a PDF poster on my website. See if you can find it.
  
• PHD Comics. Every graduate student should read it. Here is my secret antidote to the possibly subsequent depressions.
  
• Traveler IQ is a challenging game (to your mouse). My best score is 132.