Palash Dey, Neeldhara Misra. On the Exact Amount of Missing Information that Makes Finding Possible Winners Hard. In Kim G. Larsen, Hans L. Bodlaender, Jean-François Raskin, editors, 42nd International Symposium on Mathematical Foundations of Computer Science, MFCS 2017, August 21-25, 2017 - Aalborg, Denmark. Volume 83 of LIPIcs, Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik, 2017. [doi]