Transactional e-Government Services: An Integrated Approach. - Costas Vassilakis 001; Giorgos Laskaridis; Giorgos Lepouras; Stathis Rouvas; Panagiotis Georgiadis 001 (EGOV, 2002)

An Object-Oriented Approach for Designing Administrative E-forms and Transactional E-services. - Dimitris Gouscos; Stathis Rouvas; Costas Vassilakis 001; Panagiotis Georgiadis 001 (OOIS, 2002)

Improving e-Form Layout Through Analysis of Form Semantics and Validation Checks. - Costas Vassilakis 001; George Lepouras; Stathis Rouvas; Panagiotis Georgiadis 001 (CAiSE Short Paper Proceedings, 2003)

A framework for managing the lifecycle of transactional e-government services. - Costas Vassilakis 001; Giorgos Laskaridis; Giorgos Lepouras; Stathis Rouvas; Panagiotis Georgiadis 001 (Telematics Informatics, 2003)

Integrating e-government public transactional services into public authority workflows. - Costas Vassilakis 001; George Lepouras; Stathis Rouvas; Panagiotis Georgiadis 001 (Electron. Gov. an Int. J., 2004)

Exploiting form semantics and validation checks to improve e-form layout. - Costas Vassilakis 001; George Lepouras; Stathis Rouvas; Panagiotis Georgiadis 001 (Int. J. Web Eng. Technol., 2005)

Exception resolution for BPEL processes: a middleware-based framework and performance evaluation. - Christos Kareliotis; Costas Vassilakis 001; Stathis Rouvas; Panagiotis Georgiadis 001 (iiWAS, 2008)

QoS-Driven Adaptation of BPEL Scenario Execution. - Christos Kareliotis; Costas Vassilakis 001; Stathis Rouvas; Panagiotis Georgiadis 001 (ICWS, 2009)