Architecture and Implementation of a Network-Based Educational Hypermedia System. - Christos M. Papaterpos; Georgios D. Styliaras; George K. Tsolis; Theodore S. Papatheodorou (ICMCS, Vol. 1, 1999)

A watermarking environment and a metadata digital image repository for the protection and management of digital images of the Hellenic cultural heritage. - George K. Tsolis; Dimitris K. Tsolis; Theodore S. Papatheodorou (ICIP (1), 2001)

Copyright protection and management and a web based library for digital images of the Hellenic cultural heritage. - Dimitris K. Tsolis; George K. Tsolis; Emmanouil G. Karatzas; Theodore S. Papatheodorou (Virtual Reality, Archeology, and Cultural Heritage, 2001)

An Advanced Digital Image Repository and an XML-based application for Intellectual Property Protection and Management of Digital Objects. - George K. Tsolis; Dimitris K. Tsolis; Theodore S. Papatheodorou (WebNet, 2001)

A Web-Based Problem Solving Environment for Solution of Option Pricing Problems and Comparison of Methods. - Minas D. Koulisianis; George K. Tsolis; Theodore S. Papatheodorou (International Conference on Computational Science (1), 2002)

A new platform for watermarking and management of digital images of the Hellenic cultural heritage. - Dimitris K. Tsolis; Emmanouil G. Karatzas; George K. Tsolis; Vassilis E. Fotopoulos; Theodore S. Papatheodorou; Athanassios N. Skodras (DSP, 2002)

Re-Engineering Digital Watermarking of Copyright Protected Images by using XML Web Services. - George K. Tsolis; Spiridon N. Nikolopoulos; Nancy V. Kazantzi; Dimitris K. Tsolis; Theodore S. Papatheodorou (IMSA, 2005)

AssetCollector: a system for managing collections of cultural assets. - Georgios D. Styliaras; George K. Tsolis; Christos M. Papaterpos (Int. J. Digit. Libr., 2007)