The system architecture of the GOQL language

Implementation of the GOQL language
Keramopoulos, E., Pouyioutas, P. and Ptohos, T. 2004. Implementation of the GOQL language. in: Banissi, E. (ed.) Eighth International Conference on Information Visualisation: proceedings IEEE Computer Society Las Alamitos, USA. pp. 685-692

Design considerations of the GOQL interface
Keramopoulos, E., Pouyioutas, P. and Ptohos, T. 2004. Design considerations of the GOQL interface. in: ITI 2004: 26th International Conference on Information Technology Interfaces, 2004 Zagreb, Croatia IEEE .

Experiences of revalidating the undergraduate and postgraduate courses within the information systems curricula at University of Westminster, UK
Juric, R., Lees, P. and Ptohos, T. 2003. Experiences of revalidating the undergraduate and postgraduate courses within the information systems curricula at University of Westminster, UK. in: Budin, L. (ed.) ITI 2003 : proceedings of the 25th International Conference on Information Technology Interfaces : Silver interfaces: computer at the university : June 16-19, 2003, Cavtat, Croatia Zagreb, Croatia SRCE University Computing Centre. pp. 51-58

Experiences of revalidating the undergraduate and postgraduate courses within the information systems curricula at University of Westminster, UK
Juric, R., Lees, P. and Ptohos, T. 2003. Experiences of revalidating the undergraduate and postgraduate courses within the information systems curricula at University of Westminster, UK. CIT Journal of Computing and Information Technology. 11 (3), pp. 243-252.

A formal definition of the Users View (UV) of the Graphical Object Query Language (GOQL)
Keramopoulos, E., Pouyioutas, P. and Ptohos, T. 2002. A formal definition of the Users View (UV) of the Graphical Object Query Language (GOQL). in: Proceedings of the Sixth International Conference on Information Visualisation USA IEEE . pp. 211-216

The GOQL Graphical Query Language
Keramopoulos, E., Pouyioutas, P. and Ptohos, T. 2002. The GOQL Graphical Query Language. International Journal of Computers and Applications. 24 (3), pp. 122-128.

The user's view level of the GOQL graphical query language
Keramopoulos, E., Pouyioutas, P. and Ptohos, T. 1999. The user's view level of the GOQL graphical query language. in: Banissi, E., Khosrowshahi, F., Sarfraz, M., Tathami, E. and Ursyn, A. (ed.) Proceedings of the 1999 IEEE International Conference on Information Visualisation Los Alamitos, USA IEEE . pp. 81-86