- R. V. Sampangi and K. Hawkey, (Can’t) Lie to ME: Using Micro Expressions for User Authentication. Who are you?! Adventures in Authentication: WAY Workshop, Symposium on Usable Privacy and Security (SOUPS) 2014. Available from: http://cups.cs.cmu.edu/soups/2014/workshops/papers/microexp_sampangi_4.pdf