Conferences and workshops: IPDPS 2003, Euro-Par 2003, Euro-Par 2004, ICPP 2004, ICCS 2004,Euro-Par 2005, Sarnoff 2007, ISWC 2009, ICCS 2010, Europar2011, Europar 2012, Pervasive Computing 2012

Journals: Software: Practice and Experience (John Wiley & Sons), Journal of Grid Computing (Springer), Future Generation Computer Systems (Elsevier), Distributed Computing (Springer), IEEE Internet Computing, ToPNoC (Transactions on Petri Nets and Other Models of Concurrency, Springer, for a special issue), Information Sciences (Elsevier), Service-oriented Computing and Applications (Springer), Scientific Programming (for a special issue), Pervasive and Mobile Computing Journal (Elsevier), Journal of Parallel and Distributed Computing (Elsevier), Computing -- Archives for Scientific Computing (Springer), Journal of Data and Knowledge Engineering (DKE - Elsevier), WWW Journal (Springer - Special issue), Computers in Industry (Elsevier), IEEE Transactions on Service Computing (TSC), ACM Transactions on Internet Technology (TOIT), IEEE Software, ACM Computing Survey, ACM SIGHIT Record

• Cooperative Systems in Heterogeneous Environments (COSYS) Track, Track of the 28th ACM Symposium on Applied Computing (SAC 2013), March 18-22, 2013, Coimbra, Portugal


• The 14th International Conference on Information Integration and Web-based Applications & Services, 3-5 December 2012, Bali, Indonesia.


• The 2012 International Workshop on Power and QoS Aware Computing (PQoSCom-F¢12) in conjunction with IEEE Cluster¢12, 24-28-A September, Beijing, China.


• The 9th International Conference on Mobile Web Information Systems (MobiWIS 2012), August 27-29,2012, Niagara Falls, Ontario, Canada


• 2012 International Workshop on High Performance Data Intensive Computing(HPDIC2012) in conjunction with IEEE IPDPS 2012, May 25, 2012, Shanghai, China


• The 2nd International Conference on Cloud Computing and Services Science (CLOSER 2012), 18-21 April, 2012, Porto, Portugal.


• The 4th Asian Conference on Intelligent Information and Database Systems (ACIIDS 2012), March 19-21, 2011, Kaohsiung, Taiwan


• The 9th IEEE-RIVF International Conference on Computing and Communication Technologies (IEEE-RIVF 2012), February 27 - March 01, 2012, HoChiMinh City, Vietnam


• The 5th Workshop on Non-Functional Properties and SLA Management in Service-Oriented Computing (NFPSLAM-SOC'11), Part of ICSOC 2011 - The 9th International Conference on Service Oriented Computing, December 5-8, 2011, Paphos, Cyprus.


• Cooperative Systems in Heterogeneous Environments (COSYS) Track, the 27th ACM Symposium on Applied Computing (SAC 2012) March 25-29, 2012, Trento, Italy


• The 13th International Conference on Information Integration and Web-based Applications & Services, 5 - 7 December 2011, HoChiMinh City, Vietnam


• The 8th International Conference on Mobile Web Information Systems (MobiWIS 2011), September 19-21, 2011, Niagara Falls, Ontario, Canada


• The 3rd Asian Conference on Intelligent Information and Database Systems (ACIIDS 2011), April. 20-22, 2011, Daegu, South Korea


• Performance Assessment and Auditing in Service Computing Workshop 2010, December 7, 2010, San Francisco, California, USA.


• The 4rd Workshop on Non-Functional Properties and SLA Management in Service-Oriented Computing (NFPSLAM-SOC'10),December 1, 2010 , Ayia Napa, Cyprus, co-located with the 8th European Conference on Web Services (ECOWS 2010)


• The 5th European Conference on Smart Sensing and Context (EuroSSC 2010), 14 - 16 November 2010 , Passau, Germany


• The 12th IEEE International Conference on High Performance Computing and Communications (HPCC-2010),September 1-3, 2010, Melbourne, Australia


• The 16th IEEE International Conference on Parallel and Distributed Systems , Dec 8-10, 2010, Shanghai, China


• Fifth International Conference on P2P, Parallel, Grid, Cloud and Internet Computing, November 4-6, 2010, Fukuoka Institute of Technology, Fukuoka, Japan


• The International Conference on Computing and Telecommunication Technologies (IEEE-RIVF 2010), November 01-04, 2010, Hanoi, Vietnam


• The 10th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing (CCGrid 2010), May 17-20, 2010, Melbourne, Victoria, Australia


• The 2nd Asian Conference on Intelligent Information and Database Systems (ACIIDS 2010), 24 - 26 March, 2010, Hue City, Vietnam


• The 3rd Workshop on Non-Functional Properties and SLA Management in Service-Oriented Computing (NFPSLAM-SOC'09),24-26 November, Stockholm, Sweden, co-located with 7th International Conference on Service Oriented Computing (ICSOC 2009)


• The First International Conference on Adaptive and Self-adaptive Systems and Applications (ADAPTIVE09), 15-20 November, 2009 - Athens, Greece


• The First International Workshop on Context, Information And Ontologies (CIAO2009), 1 June, 2009, Heraklion, Greece


• The 5th International Conference on Self-organization and Adaptation of Computing and Communications (SACC 2009) 23-25 March, 2009, Leipzig, Germany


• The IEEE 23rd International Conference on Advanced Information Networking and Applications (AINA 2009),26-29 May, 2009, Bradford, UK.


• The 3rd Workshop on Emerging Web Services Technology(WEWST-2008), 12 November, 2008, Dublin, Ireland.


• The 3rd European Conference on Smart Sensing and Context (EuroSSC 2008), 29-31 October, 2008, Zurich, Switzerland.


• The First International Workshop on Process Management for Highly Dynamic and Pervasive Scenarios (PM4HDPS) 1 September, 2008, Milan, Italy


• The International Conference on Computing and Telecommunication Technologies (IEEE-RIVF)(2006, 2007, 2008, 2009)


• International Workshop on Advanced Computing and Applications (ACOMP), ACOMP2007, ACOMP2008, ACOMP2010,

• Co-chair, , The 5th International Workshop on Personalization in Cloud and Service Computing (PCS 2011), In conjunction with The 12th International Conference on Web Information System Engineering (WISE 2011), October 13-14, 2011, Sydney, Australia


• Co-chair, The 1st International Workshop on Emails in e-Commerce and Enterprise Context (E3C)held at the 11th IEEE Conference on Commerce and Enterprise Computing (CEC 2009), 20 July, 2009, Vienna, Austria


• Co-chair, the 7th IEEE International Workshop on Distributed and Mobile Collaboration (DMC 2009), Held at the 18th IEEE International Workshops on Enabling Technologies: Infrastructures for Collaborative Enterprises (WETICE-2009), June 29 - July 1, 2009, Groningen, The Netherlands


• Vice chair, Topic 2: Performance Prediction and Evaluation, Euro-Par 2009


• Co-chair, the 6th IEEE International Workshop on Distributed and Mobile Collaboration (DMC 2008), Held at the 17th IEEE International Workshops on Enabling Technologies: Infrastructures for Collaborative Enterprises (WETICE-2008), June 23-25, 2008, Rome, Italy.

• Special Issue on Collaboration Services: Methodologies, Architectures, Technologies and Protocols

• Workshop on Computational Science and Engineering (CSE09), 8-9 Jan, 2009, Rust, Austria


• ISoLA 2008 Special Tracks on Model-Driven SOA, 3rd International Symposium on Leveraging Applications of Formal Methods, Verification and Validation, 13-15 October, 2008, Porto Sani (Kassandra, Chalkidiki), Greece