The ludic aspect of interaction during a pervasive game activity. - Charalampos Rizopoulos; Katerina Diamantaki; Dimitris Charitos (DIMEA, 2008)

Conceptualizing, Designing, and Investigating Locative Media Use in Urban Space. - Katerina Diamantaki; Charalampos Rizopoulos; Dimitris Charitos; Nikos Kaimakamis (Shared Encounters, 2010)

Theoretical and methodological implications of designing and implementing multiuser location-based games. - Katerina Diamantaki; Charalampos Rizopoulos; Dimitris Charitos; Nikos Tsianos (Pers. Ubiquitous Comput., 2011)

Erratum to: Theoretical and methodological implications of designing and implementing multiuser location-based games. - Katerina Diamantaki; Charalampos Rizopoulos; Dimitris Charitos; Nikos Tsianos; Angeliki Gazi (Pers. Ubiquitous Comput., 2011)

Integrating game elements for increasing engagement and enhancing User Experience in a smart city context. - Katerina Diamantaki; Charalampos Rizopoulos; Vassileios Tsetsos; Iouliani Theona; Dimitris Charitos; Nikos Kaimakamis (Intelligent Environments (Workshops), 2013)

Evaluating the user experience of a mobile user in a smart city context. - Katerina Diamantaki; Charalampos Rizopoulos; Dimitris Charitos; Vassileios Tsetsos; Petros Kovatsis; Iouliani Theona (Int. J. Intell. Eng. Informatics, 2015)