segmentation: dissertation
rank.candidate: disse rt at ion dissertation di sser tation dis ser tation dis serta ti on d isser tation disser tation dis serta tion d is ser tation disse r tation disser ta tion disser tat ion disse rtation diss ert ation disse rta tion dis sert ation disser tat i on diss er tation disse rtati on disse rt ation