The Story Maker - An Authoring Tool for Multimedia-Rich Interactive Narratives. - Ektor Vrettakis; Christos Lougiakis; Akrivi Katifori; Vassilis Kourtis; Stamatis Christoforidis; Manos Karvounis; Yannis E. Ioannidis (ICIDS, 2020)

View Selection over Knowledge Graphs in Triple Stores. - Theofilos Mailis; Yannis Kotidis; Stamatis Christoforidis; Evgeny Kharlamov; Yannis E. Ioannidis (Proc. VLDB Endow., 2021)