Research Publications

Conference Papers in Computer Science

• Towards Practical Oblivious RAM
  Emil Stefanov, Elaine Shi, Dawn Song
  NDSS 2012
• Oblivious RAM with O((log N)^3) Worst-Case Cost
  Elaine Shi, T-H. Hubert Chan, Emil Stefanov, Mingfei Li
  AsiaCrypt 2011
• Policy-Enhanced Private Set Intersection: Sharing Information While Enforcing Privacy Policies
  Emil Stefanov, Elaine Shi, Dawn Song
  In submission
• Iris: A Scalable Cloud File System with Efficient Integrity Checks
  Emil Stefanov, Marten van Dijk, Alina Oprea, Ari Juels
  In submission
• Predicting Links and Inferring Attributes using a Social-Attribute Network (SAN)
  Neil Gong, Ameet Talwalkar, Lester Mackey, Ling Huang, Richard Shin, Emil Stefanov, Elaine Shi, Dawn Song
  In submission
• Duress Detection for Authentication Attacks Against Multiple Administrators
  Emil Stefanov, Mikhail Atallah
  2010 ACM CCS Workshop on Insider Threats. Chicago, IL.

Journal Papers in Psychology

• 2D and 3D Traveling Salesman Problem
  Yll Haxhimusa, Edward Carpenter, Joseph Catrambone, David Foldes, Emil Stefanov, Laura Arns, Zygmunt Pizlo
  Journal of Problem Solving 2011
• Traveling Salesman Problem: A Foveating Model
  Zygmunt Pizlo, Emil Stefanov, John Saalweachter, Zheng Li, Yll Haxhimusa, Walter G. Kropatsch
  Journal of Problem Solving 2006

Conference Presentations in Psychology

• Zygmunt Pizlo, Joseph Catrambone, Edward Carpenter, Emil Stefanov, David Foldes, and Yll Haxhimusa. (2008) Solving the Traveling Salesman Problem in two and three dimensions. Purdue Winer Memorial Lectures Workshop: New Perspectives on Human Problem Solving. West Lafayette, IN. (presented by Zygmunt Pizlo)
• Yll Haxhimusa, Emil Stefanov, Zygmunt Pizlo. (2007) Solving the Euclidian TSP in the presence of Input Errors. Society for Mathematical Psychology 40th Annual Symposium. UC, Irvine. (presented by Yll Haxhimusa)
• Zygmunt Pizlo, Edward Carpenter, David Foldes, Emil Stefanov, Laura Arans. (2007) Traveling Salesman Problem in real and VR space. Society for Mathematical Psychology 40th Annual Symposium. UC, Irvine. (presented by Zygmunt Pizlo)
• Zygmunt Pizlo, John Saalweachter, Emil Stefanov. (2006). Visual solution to the traveling salesman problem. Journal of Vision, 6(6):964, 964a, http://journalofvision.org/6/6/964/, doi:10.1167/6.6.964. (presented by Zygmunt Pizlo)
• Zygmunt Pizlo., Emil Stefanov, John Saalweachter, Yll Haxhimusa, Walter G. Kropatsch. (2005) Adaptive pyramid model for the traveling salesman problem. Human Problem Solving Workshop: Difficult Optimization Tasks. West Lafayette, IN. (presented by Zygmunt Pizlo)

Poster Presentations

• Mikhail Atallah, Emil Stefanov, Wojciech Szpankowski. (2007) Data Reduction Techniques for Event Sequences. 8th Annual CERIAS Information Security Symposium. West Lafayette, IN. (presented by me) 4th place winner out of 48 posters. [PowerPoint] [PDF] [Demo for Windows]
• Zygmunt Pizlo, John Saalweachter, Emil Stefanov. (2005) Traveling Salesman Problem: The Role of Clustering Operations. Psychonomic Society 46th Annual Meeting. Toronto, ON, Canada (presented by me and John Saalweachter). [PowerPoint] [PDF]