Vol4All: A Volunteering Platform to Drive Innovation and Citizens Empowerment. - Athena Vakali; Ioannis Dematis; Athanasios Tolikas (WWW (Companion Volume), 2017)

Fake Review Detection via Exploitation of Spam Indicators and Reviewer Behavior Characteristics. - Ioannis Dematis; Eirini D. Karapistoli; Athena Vakali (SOFSEM, 2018)