European Cities Platform for Online Transaction Services: The EURO-CITI Project. - Stelios Gorilas; Anastasios Ioannidis; Gema Lopez Gomar; Elias Spanos; Efthimios Tambouris (Bled eConference, 2001)

EURO-CITI Tele-Voting: An Application for Realizing Opinion Poll Petitions. - Stelios Gorilas; Dionisis Hoholis; Marios Sintichakis; Elias Spanos; Efthimios Tambouris (Bled eConference, 2002)

SmartGov: A Knowledge-Based Platform for Transactional Electronic Services. - Panagiotis Georgiadis 001; Giorgos Lepouras; Costas Vassilakis 001; G. Boukis; Efthimios Tambouris; Stelios Gorilas; Elisabeth Davenport; Ann Macintosh; John Fraser; Dave Lochhead (EGOV, 2002)

Evaluation of an e-Democracy Platform for European Cities. - Efthimios Tambouris; Stelios Gorilas (EGOV, 2003)

Ontology-Enabled E-gov Service Configuration: An Overview of the OntoGov Project. - Efthimios Tambouris; Stelios Gorilas; Gregory Kavadias; Dimitris Apostolou; Andreas Abecker; Ljiljana Stojanovic; Gregoris Mentzas (KMGov, 2004)