@phdthesis{Gruetze2018,
  author      = {Toni Gr{\"u}tze},
  title       = {Adding value to text with user-generated content},
  type        = {doctoralthesis},
  pages       = {ii, 114},
  school      = {Universit{\"a}t Potsdam},
  year        = {2018},
}