Co-chair
1st International Conference on Knowledge Engineering and Decision Support session “Data Analysis and Knowledge Discovery”, Porto, Portugal, 2004.
Member of Scientific Committee
9th WSEAS International Conference on Computers, Vouliagmeni, Greece, 2005.
Organizer of Special Session
“Data Mining: Techniques and Applications”, 9th WSEAS International Conference on Computers, Vouliagmeni, Greece, 2005.
Chair
9th WSEAS International Conference on Computers in special sessions “Data Mining: Techniques and Applications”, “Algorithmic Techniques for Handling Spatiotemporal and Environmental Data”,”Optimization and Data Mining: Methodology and Applications”, Vouliagmeni, Greece, 2005
Guest Editor
“WSEAS Transactions on Computers” Journal, Issue 7, Volume 5, August 2005, ISSN 1109-2750
Associate Editor
9th WSEAS International Conference on Computers Proceedings, Vouliagmeni, Greece, 2005.
Member of Scientific Committee
5th WSEAS International Conference on Applied Informatics and Communication Valetta, Malta, 2005.
Member of Scientific Committee
5th WSEAS International Conference on Simulation, Modeling and Optimization Corfu, Greece, 2006.
Member of Program Committee
5th IBIMA Conference (The Internet and Information Technology in Modern Organizations), Cairo, Egypt, 2005.
Reviewer
5th IBIMA Conference (The Internet and Information Technology in Modern Organizations), Cairo, Egypt, 2005.
Member of Scientific Committee
10th WSEAS International Multiconference on Computers, Vouliagmeni, Greece, 2006.
Member of Scientific Committee
5th WSEAS International Conference on Artificial Intelligence, Knowledge Engineering, Databases Madrid, Spain, 2006.
Member of Scientific Committee
5th WSEAS International Conference on Software Engineering, Parallel and Distributed Systems Madrid, Spain, 2006.
Member of Scientific Committee
5th WSEAS International Conference on Electronics, Hardware, Wireless and Optical CommunicationsMadrid, Spain, 2006.
Member of Scientific Committee
5th WSEAS International Conference on Signal Processing, Robotics and Automation Madrid, Spain, 2006.
Member of Programme Committee
International Conference on Data Mining DMIN2006, Las Vegas, USA, 2006.
Reviewer
International Conference on Data Mining DMIN2006, Las Vegas, USA, 2006.
Chair
4th International MultiConference on Computer Science and Information Technology, session "E-Applications", Amman, Jordan, 2006.
Member of Program Committee
7th IBIMA Conference (Internet and Information Systems in Digital Age), Brescia, Italy, 2006.
Reviewer
7th IBIMA Conference (Internet and Information Systems in Digital Age), Brescia, Italy, 2006.
Member of Program Committee
International Conference on Artificial Intelligence and Pattern Recognition, Orlando, USA, 2007.
Member of Program Committee
2nd International Conference on Availability, Reliability and Security, Vienna, Austria, 2007.
Reviewer
2nd International Conference on Availability, Reliability and Security, Vienna, Austria, 2007.
Member of Program Committee
2nd International Conference on Internet Technologies and Applications, Wrexham, North Wales, UK, 2007.
Reviewer
2nd International Conference on Internet Technologies and Applications, Wrexham, North Wales, UK, 2007.
Member of Programme Committee
International Conference on Data Mining DMIN2007, Las Vegas, USA, 2007.
Reviewer
International Conference on Data Mining DMIN2007, Las Vegas, USA, 2007.
Member of Programme Committee
Business Intelligence BI'07 Workshop, Portuguese Conference on Artificial Intelligence EPIA2007, Guimaraes, Portugal, 2007.
Reviewer
Business Intelligence BI'07 Workshop, Portuguese Conference on Artificial Intelligence EPIA2007, Guimaraes, Portugal, 2007.
Member of Program Committee
3rd International Conference on Availability, Reliability and Security, Barcelona, Spain, 2008.
Reviewer
3rd International Conference on Availability, Reliability and Security, Barcelona, Spain, 2008.
Member of Program Committee
International Conference on Artificial Intelligence and Pattern Recognition, Orlando, USA, 2008.
Reviewer
International Conference on Artificial Intelligence and Pattern Recognition, Orlando, USA, 2008.
Member of Programme Committee
International Conference on Data Mining DMIN2008, Las Vegas, USA, 2008.
Reviewer
International Conference on Data Mining DMIN2008, Las Vegas, USA, 2008.
Chair
2nd International Conference on Information Systems, Technology and Management, Dubai, UAE, 2008.
Member of Program Committee
4th International Conference on Availability, Reliability and Security, Fukuoka, Japan, 2009.
Reviewer
4th International Conference on Availability, Reliability and Security, Fukuoka, Japan, 2009.
Member of Program Committee
13th Pacific-Asia Conference on Knowledge Discovery and Data Mining, Bangkok, Thailand, 2009.
Reviewer
13th Pacific-Asia Conference on Knowledge Discovery and Data Mining, Bangkok, Thailand, 2009.
Member of Program Committee
3rd International Conference on Internet Technologies and Applications, Wrexham, North Wales, UK, 2009.
Reviewer
3rd International Conference on Internet Technologies and Applications, Wrexham, North Wales, UK, 2009.
Member of Program Committee
14th Portuguese Conference on Artificial Intelligence, Aveiro, Portugal, UK, 2009.
Reviewer
14th Portuguese Conference on Artificial Intelligence, Aveiro, Portugal, UK, 2009.
Member of Program Committee
International Conference on Artificial Intelligence and Pattern Recognition, Orlando, USA, 2009.
Reviewer
International Conference on Artificial Intelligence and Pattern Recognition, Orlando, USA, 2009.
Member of Programme Committee
International Conference on Data Mining DMIN2009, Las Vegas, USA, 2009.
Reviewer
International Conference on Data Mining DMIN2009, Las Vegas, USA, 2009.
Chair
5th International and National Conference HSSS, Xanthi, Greece, 2009.
Member of Program Committee
5th International Conference on Availability, Reliability and Security, Krakow, Poland, 2010.
Reviewer
5th International Conference on Availability, Reliability and Security, Krakow, Poland, 2010.
Member of Program Committee
International Conference on Artificial Intelligence and Pattern Recognition, Orlando, USA, 2010.
Reviewer
International Conference on Artificial Intelligence and Pattern Recognition, Orlando, USA, 2010.