Organization of Scientific Events

Demo (System Demonstrations) Co-Chair
EC-TEL'09 - 4th European Conference on Technology Enhanced Learning, Nice, France, September 2009

Workshop Co-Chair
TEL-CoPs'09 - 3rd International Workshop on Building Technology Enhanced Learning solutions for Communities of Practice, Nice, France, September 2009

Demo (System Demonstrations) Chair
ECAI'08 - 18th European Conference on Artificial Intelligence, Patras, Greece, July 2008

Workshop Chair
TEL-CoPs'07 - 2nd International Workshop on Building Technology Enhanced Learning solutions for Communities of Practice, Crete, Greece, September 2007

Workshop Chair
TEL-CoPs'06 - 1st International Workshop on Building Technology Enhanced Learning solutions for Communities of Practice, Crete, Greece, October 2006

Editorship / Review Boards

Editor-in-Chief
Advances in Web-based Learning (AWBL) Book Series

Co-Editor-in-Chief
International Journal of Web-based Learning and Teaching Technologies (IJWLTT)

Associate Editor
Journal of Electronic Commerce in Organizations (JECO)

Guest Editor
International Journal of Web-based Learning and Teaching Technologies
Special Issue: Building Technology Enhanced Learning Solutions for Communities of Practice
Vol. 2, No 3, IGI Publishing, 2007

Guest Editor
International Journal of Design Sciences and Technology
Special Issue on Computer-Supported Collaborative Design, Vol. 6, No 2, Europia Press, 1998

Member of the Editorial Advisory Board
Advances in Information Resources Management (AIRM) Book Series

Member of the International Advisory Board
Operational Research: An International Journal

Member of the International Editorial Board
International Journal of Knowledge and Learning (IJKL)

Member of the International Editorial Board
International Journal of Mobile Learning and Organisation (IJMLO)

Member of the International Editorial Board
Journal of the Italian Association of e-Learning (www.sie-l.it)

Member of the International Editorial Review Board
International Journal of E-Business Research (IJEBR)

Invited Talks

"Supporting Collaboration, Enhancing Learning".
Talk given at the "Future Internet/IPv6 and FP7" 2-day International Networking event (in the context of the Ni-Hao Project). November 19, 2007, Beijing, China.

"Managing Argumentative Discourses in Multi-Actors Environments: Approaches and Tools".
Lecture given at the School in Evaluation for Planning (theme: “Small Medium Sized Cities. Perspectives of Strategic Planning”). October 16-21, 2006, Campi Salentina, Italy.

"CoPe_it!: Towards augmenting collaboration and learning in Communities of Practice".
Talk given at the invitational workshop MMAD: Modelling Meetings, Argumentation & Discourse. September 13, 2006, Liverpool, UK.

"Towards an integrated e-collaboration framework".
Seminar given at EPFL (Lausanne) and EIF (Fribourg), Switzerland, February 2004.

"E-Business oriented work flow management".
International Conference on Operations Research for Development (ICORD 2002).
December 2002, Chennai (Madras), India.

"Computer-Supported Argumentation for Cooperative Design on the WWW".
2nd International Workshop on Computer-Supported Cooperative Work in Design.
November 1997, Bangkok, Thailand.

"The ZENO Argumentation Framework".
VIM Consortium Meeting.
September 1996, Technical University of Catalunia, Barcelona, Spain.

"Collaborative Environmental Planning with GeoMed".
XIV EURO Summer Institute on Environmental Planning.
June 1996, Athens, Greece.

Program Committee Memberships

ArgMAS 2008: 5th International Workshop on Argumentation in Multi-Agent Systems (in conjunction with the 7th International Conference on Autonomous Agents and Multi-Agent Systems - AAMAS 2008).
Estoril, Portugal, May 12-16, 2008.

ICEIS-2008: 10th International Conference on Enterprise Information Systems.
Barcelona, Spain, June 12-16, 2008.

WWW/Internet 2007 - IADIS International Conference.
Vila Real, Portugal, October 5-8, 2007.

ICTAI 2007: 19th IEEE International Conference on Tools with AI.
Patras, Greece, October 29-31, 2007.

EC-TEL 2007: 2nd European Conference on Technology Enhanced Learning.
Crete, Greece, September 17-20, 2007.

EIAH 2007 International Workshop on Learning and working in CoPs: technological and methodological issues.
Lausanne, Switzerland, June 26, 2007.

SociUM 2007: 1st Workshop on Adaptation and Personalisation in Social Systems: Groups, Teams, Communities (in conjunction with the 11th International Conference on User Modeling - UM 2007).
Corfu, Greece, June 26, 2007.

ArgMAS 2007: 4th International Workshop on Argumentation in Multi-Agent Systems (in conjunction with the 6th International Conference on Autonomous Agents and Multi-Agent Systems - AAMAS 2007).
Honolulu, Hawaii, May 14-18, 2007.

CONFENIS 2007: 2nd IFIP International Conference on Research and Practical Issues of Enterprise Information Systems.
Beijing, China, October 14-16, 2007.

ICEIS-2007: 9th International Conference on Enterprise Information Systems.
Funchal, Madeira, Portugal, June 12-16, 2007.

IRMA-2007: Information Resources Management Association International Conference.
Vancouver, Canada, May 19-23, 2007.

International Workshop on Architectures, Models and Infrastructures to generate Semantics in Peer to Peer and Hypermedia Systems (in conjunction with the 17th ACM Conference on Hypertext and Hypermedia - ACM HyperText 2006).
Odense, Denmark, August 23-25, 2006.

WWW/Internet 2006 - IADIS International Conference.
Murcia, Spain, October 5-8, 2006.

ArgMAS 2006: 3rd International Workshop on Argumentation in Multi-Agent Systems (in conjunction with the 5th International Conference on Autonomous Agents and Multi-Agent Systems - AAMAS 2006).
Future University, Hakodate, Japan, May 8-12, 2006.

KES-2006: 10th International Conference on Knowledge-Based Intelligent Information & Engineering Systems.
Bournemouth, UK, October 9-11, 2006.

ICEIS-2006: 8th International Conference on Enterprise Information Systems.
Paphos, Cyprus, May 23-27, 2006.

IRMA-2006: Information Resources Management Association International Conference.
Washington D.C., USA, May 21-24, 2006.

WWW/Internet 2005 - IADIS International Conference.
Lisbon, Portugal, October 19-22, 2005.

ArgMAS 2005: 2nd International Workshop on Argumentation in Multi-Agent Systems (in conjunction with the 4th International Conference on Autonomous Agents and Multi-Agent Systems - AAMAS 2005).
July 25-26, 2005, Utrecht, The Netherlands.

KES-2005: 9th International Conference on Knowledge-Based Intelligent Information & Engineering Systems.
Melbourne, Australia, September 14-16, 2005.

ICEIS-2005: 7th International Conference on Enterprise Information Systems.
Miami, Florida, USA, May 24-28, 2005.

IRMA-2005: Information Resources Management Association International Conference.
San Diego, California, USA, May 15-18, 2005.

WWW/Internet 2004, IADIS International Conference.
Madrid, Spain, October 6-9, 2004.

KES-2004: 8th International Conference on Knowledge-Based Intelligent Information & Engineering Systems.
Wellington, New Zealand, September 20-24, 2004.

IRMA-2004: Information Resources Management Association International Conference.
New Orleans, Louisiana, USA, May 23-26, 2004.

DCEIS-2004: Doctoral Consortium on Enterprise Information Systems.
Porto, Portugal, April 13, 2004.

ICEIS-2004: 6th International Conference on Enterprise Information Systems.
Porto, Portugal, April 14-17, 2004.

ICeCE-2003: The Third International Conference on Electronic Commerce Engineering.
Hangzhou, Zhejiang, P.R. China, October 24-27, 2003.

IRMA-2003: Information Resources Management Association International Conference.
Philadelphia, PA, USA, May 18-21, 2003.

ICEIS-2003: 5th International Conference on Enterprise Information Systems.
Angers, France, April 23-26, 2003.

ICORD-2002: International Conference on Operations Research for Development.
Chennai (Madras), India, December 27-30, 2002.

IRMA-2002: Information Resources Management Association International Conference.
Seattle, Washington, USA, May 2002.

ICEIS-2002: 4th International Conference on Enterprise Information Systems.
Ciudad Real, Spain, April 3-6, 2002.

PACIS-2001: The 5th Pacific Asia Conference on Information Systems.
Seoul, Korea, June 20-22, 2001.

EuropIA-98: 7th International Conference on Media, Communication and Design Practice.
Paris, France, November 1998.

The 3rd International Workshop on CSCW in Design.
Tokyo, Japan, July 1998.

5ο Πανελλήνιο Συνέδριο Τεχνητής Νοημοσύνης (ΣΕΤΝ’08).
Σύρος, Οκτώβριος 2008.

4ο Πανελλήνιο Συνέδριο Τεχνητής Νοημοσύνης (ΣΕΤΝ’06).
Ηράκλειο, Μάιος 2006.

17ο Εθνικό Συνέδριο Ελληνικής Εταιρίας Επιχειρησιακών Ερευνών.
Πάτρα, Ιούνιος 2005.

16ο Εθνικό Συνέδριο Ελληνικής Εταιρίας Επιχειρησιακών Ερευνών.
Λάρισα, Σεπτέμβριος 2003.

15ο Εθνικό Συνέδριο Ελληνικής Εταιρίας Επιχειρησιακών Ερευνών.
Τρίπολη, Οκτώβριος - Νοέμβριος 2002.

12ο Εθνικό Συνέδριο Ελληνικής Εταιρίας Επιχειρησιακών Ερευνών.
Σάμος, Σεπτέμβριος 1998.

11ο Εθνικό Συνέδριο Ελληνικής Εταιρίας Επιχειρησιακών Ερευνών.
Αθήνα, Μάιος 1997.

10ο Εθνικό Συνέδριο Ελληνικής Εταιρίας Επιχειρησιακών Ερευνών.
Χανιά, Νοέμβριος 1994.