A comparative study of business practices of North American and European on-line companies. - Nicholas Protogeros (Inf. Manag., 2002)

The contribution of e-government to the modernisation of the Hellenic taxation system. - Panayiotis Tahinakis; John Mylonakis; Nicolaos Protogeros (Electron. Gov. an Int. J., 2006)

Developing a Near-optimal Lowest-consumption Tunnel Lighting System Using Software Agents through Power Line Communications. - Nicolaos Protogeros; Chris Syleos; Anastasios A. Economides; Grigoris K. Papagiannis (J. Comput. Inf. Technol., 2007)

FUSE: A Framework to Support Services Unified Process. - Nikolaos Protogeros; Dimitrios Tektonidis; Androklis Mavridis; Christopher Wills; Adamantios Koumpis (IESA, 2008)

Practices and Services for Enabling the Independent Living of Elderly Population. - Apostolos Vontas; Nikolaos Protogeros; Vasiliki Moumtzi (PRO-VE, 2009)

The Safety Issue in a Web Travel Booking Services Scenario Based on Business Process Execution Language. - Apostolos Axenopoulos; Charalampos Doulaverakis; Nicholas Protogeros; Panayiotis Tahinakis; John Mylonakis (Comput. Inf. Sci., 2010)

A software shell for environmental accounting. - Nikolaos Protogeros; Apostolos Vontas; Grigorios Chatzikostas; Adamantios Koumpis (Environ. Model. Softw., 2011)

Simple-talking database development: Let the end-user design a relational schema by using simple words. - Nicolaos Protogeros; Katerina Tzafilkou (Comput. Hum. Behav., 2015)

End-user development of CRM systems: towards a behavioural end-user profiling based on gender and expertise. - Katerina Tzafilkou; Nicolaos Protogeros; Charalampos Yakinthos (Int. J. Electron. Bus., 2015)

Diagnosing user perception and acceptance using eye tracking in web-based end-user development. - Katerina Tzafilkou; Nicolaos Protogeros (Comput. Hum. Behav., 2017)

Gender-based behavioral analysis for end-user development and the 'RULES' attributes. - Katerina Tzafilkou; Nicolaos Protogeros; Charalampos Karagiannidis; Adamantios Koumpis (Educ. Inf. Technol., 2017)

User-centred cloud service adaptation: an adaptation framework for cloud services to enhance user experience. - Katerina Tzafilkou; Nicolaos Protogeros; Adamantios Koumpis (Int. J. Comput. Integr. Manuf., 2017)

Mouse behavioral patterns and keystroke dynamics in End-User Development: What can they tell us about users' behavioral attributes? - Katerina Tzafilkou; Nicholas Protogeros (Comput. Hum. Behav., 2018)

Examining gender issues in perception and acceptance in web-based end-user development activities. - Katerina Tzafilkou; Nicholas Protogeros (Educ. Inf. Technol., 2018)

Let the End User in Peace: UX and Usability Aspects Related to the Design of Tutoring Systems. - Juliano Efson Sales; Katerina Tzafilkou; Adamantios Koumpis; Thomas Gees; Heinrich Zimmermann; Nicolaos Protogeros; Siegfried Handschuh (ITS, 2020)

Experiential learning in web development courses: Examining students' performance, perception and acceptance. - Katerina Tzafilkou; Nicolaos Protogeros; Adamandia Chouliara (Educ. Inf. Technol., 2020)

Mobile Sensing for Emotion Recognition in Smartphones: A Literature Review on Non-Intrusive Methodologies. - Katerina Tzafilkou; Anastasios A. Economides; Nikolaos Protogeros (Int. J. Hum. Comput. Interact., 2022)