How to Place Efficiently Guards and Paintings in an Art Gallery. - Christodoulos Fragoudakis; Euripides Markou; Stathis Zachos (Panhellenic Conference on Informatics, 2005)

Maximizing the guarded boundary of an Art Gallery is APX-complete. - Christodoulos Fragoudakis; Euripides Markou; Stathis Zachos (Comput. Geom., 2007)

Towards a "Cloud Enabled" University Computer Center. - Christodoulos Fragoudakis; Markos Karampatsis; Petros Potikas (3PGCIC, 2013)