@ARTICLE{ijdl21-CVDT,
  AUTHOR    = {Serafeim Chatzopoulos and Thanasis Vergoulis and Theodore Dalamagas and Christos Tryfonopoulos},
  TITLE     = "{VeTo+: Improved Expert Set Expansion in Academia}",
  JOURNAL   = "{International Journal on Digital Libraries (IJID)}",
  NUMBER    = {23},
  PAGES 	= {57--75},
  YEAR      = {2021},
}