Organising Municipal e-Government Systems: A Multi-facet Taxonomy of e-Services for Citizens and Businesses. - Yannis Charalabidis; Dimitris Askounis; George Gionis; Fenareti Lampathaki; Kostas S. Metaxiotis (EGOV, 2006)

A Model for Assessing the Impact of Enterprise Application Interoperability in the Typical European Enterprise. - Yannis Charalabidis; Dimitris Askounis; George Gionis (I-ESA, 2006)

Building a Local Administration Services Portal for Citizens and Businesses: Service Composition, Architecture and Back-Office Interoperability Issues. - Sotirios Koussouris; Yannis Charalabidis; George Gionis; Tasos Tsitsanis; John E. Psarras (EGOV, 2007)

Enabling Cross-Organizational Interoperability: A Hybrid e-Business Architecture. - George Gionis; Yannis Charalabidis; Till Janner; Christoph Schroth; Sotirios Koussouris; Dimitris Askounis (IESA, 2007)

Enabling Cross-Border Interoperability: Modelling Legal Rules for Electronic Transactions in the European Union. - George Gionis; Yannis Charalabidis; K. Sourouni; Dimitris Askounis (IESA, 2007)

Meeting the Interoperability Challenges of eTransactions among Heterogeneous Business Partners: The Advantages of Hybrid Architectural Approaches for the Integrating Middleware. - George Gionis; Dimitris Askounis; Sotirios Koussouris; Fenareti Lampathaki (IESA, 2008)

Heterogeneous Domains' e-Business Transactions Interoperability with the use of Generic Process Models. - Sotirios Koussouris; George Gionis; Aikaterini-Maria Sourouni; Dimitris Askounis; Kostas Kalaboukas (IESA, 2008)

The Greek Electronic Government Interoperability Framework: Standards and Infrastructures for One-Stop Service Provision. - Yannis Charalabidis; Fenareti Lampathaki; Demetrios Sarantis; Aikaterini-Maria Sourouni; Spiros Mouzakitis; George Gionis; Sotirios Koussouris; Christos Ntanos; Christos Tsiakaliaris; Vasilios Tountopoulos; Dimitris Askounis (Panhellenic Conference on Informatics, 2008)

Enabling Semantic Interoperability in e-Government: A System-based Methodological Framework for XML Schema Management at National Level. - Fenareti Lampathaki; George Gionis; Sotirios Koussouris; Dimitris Askounis (AMCIS, 2009)

Cross-Dimensional Modelling Patterns to Empower Pan-European Business to Government Services Interoperability. - Fenareti Lampathaki; Sotirios Koussouris; George Gionis; Yannis Charalabidis; Dimitris Askounis (OTM Workshops, 2009)

Business to business interoperability: A current review of XML data integration standards. - Fenareti Lampathaki; Spiros Mouzakitis; George Gionis; Yannis Charalabidis; Dimitris Askounis (Comput. Stand. Interfaces, 2009)

Towards a Systematic Exploitation of Web 2.0 and Simulation Modeling Tools in Public Policy Process. - Yannis Charalabidis; George Gionis; Enrico Ferro; Euripidis N. Loukis (ePart, 2010)

Policy Processes Support through Interoperability with Social Media. - Yannis Charalabidis; George Gionis; Euripidis N. Loukis (MCIS, 2010)

Supporting public decision making in policy deliberations: an ontological approach. - Panagiotis Panagiotopoulos 001; George Gionis; John E. Psarras; Dimitris Askounis (Oper. Res., 2011)