myVisitPlanner GR: Personalized Itinerary Planning System for Tourism. - Ioannis Refanidis; Christos Emmanouilidis; Ilias Sakellariou; Anastasios Alexiadis; Remous-Aris Koutsiamanis; Konstantinos Agnantis; Aimilia Tasidou; Fotis Kokkoras; Pavlos S. Efraimidis (SETN, 2014)

Activity Ontologies for Intelligent Calendar Applications. - Konstantinos Agnantis; Ioannis Refanidis (BCI, 2015)

Ευφυή συστήματα στον σημασιολογικό ιστό - Konstantinos Agnantis (2015)

COURSR2: An Integrated Time Management System for Lifelong Learners. - Konstantinos Agnantis; Anastasios Alexiadis; Ioannis Refanidis (Int. J. Artif. Intell. Tools, 2016)