@mastersthesis {MS-201809-Bhuthegowda,
   type = {Masters Thesis},
   author = {Bharath Kumar Nachenahalli Bhuthegowda},
   title = {Methods for Analyzing the Evolution of Email Spam},
   school = {College of Arts and Sciences, University of Oregon},
   month = 9,
   year = 2018,
   note = {Available at \url{https://www.cs.uoregon.edu/Reports/MS-201809-Bhuthegowda.pdf}},
}