If one wants to cite this thesis (either for reviewing, or using a method, or using a dataset), it would be better to cite the corresponding publication. These can be found in the link publications.

Alternatively, to cite the thesis, you may use the following bibtex entry:

@phdthesis{Diamantopoulos:DMonSE,
  author = {Diamantopoulos, Themistoklis},
  advisor = {Symeonidis, Andreas},
  title = {Mining Software Engineering Data for Software Reuse},
  year = {2018},
  school = {Aristotle University of Thessaloniki},
  address = {Thessaloniki, Greece}
}