@phdthesis {PHD-201103-Wimalasuriya,
   type = {Dissertation Defense},
   author = {Daya Chinthana Wimalasuriya},
   title = {Use of Ontologies in Information Extraction},
   school = {College of Arts and Sciences, University of Oregon},
   month = 3,
   year = 2011,
   note = {Available at \url{https://www.cs.uoregon.edu/Reports/PHD-201103-Wimalasuriya.pdf}},
}