Member of Program Committees, 2009

• The 17th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision, February 2-5, 2009, University of West Bohemia, Plzen, Czech Republic.
• International Federation of Classification Societies 2009 Conference, Dresden University of Technology, March 13-18, 2009.
• Symposium on Learning and Data Science, University of Paris-Dauphine, April 1-3, 2009, Paris, France.
• 16th Annual IEEE International Conference and Workshop on the Engineering of Computer Based Systems, ECBS April 13-16, 2009, San Francisco.
• 1st International Workshop on Ontology for e-Technologies, in conjunction with the 11th International Conference on Enterprise Information Systems, ICEIS 2009, Milan, Italy, 6-7 May 2009.
• Classification Society Annual Meeting 2009, St Louis, Missouri, 11-13 June 2009.
• 57th Session of the ISI, International Statistical Institute, International Convention Centre, Durban, South Africa 16-22 August 2009. Invited session IPM28: "Statistics and the Internet for Development, in e-Education, e-Health, and Other Fields, with particular reference to Africa".
• ECBS-EERC 2009, 1st IEEE Eastern European Regional Conference on the Engineering of Computer Based Systems, Novi Sad, Serbia, 7-8 September 2009.
• The Fifth International Conference on Image and Graphics, organized by the China Society of Image and Graphics, Xi'an, China, September 21-24, 2009.
• Fourth International Conference on p-Adic Mathematical Physics, Hrodna, Belarus, September 20-26, 2009.
• Special Session "Provisioning of smart services in ontology-based systems" in the 9th International Conference on Intelligent System Design and Applications (ISDA'09), Pisa, Italy, November 30 - December 2, 2009.
• The 2009 International Symposium on Database Theory and Application (DTA 2009), December 10-12, 2009, Jeju Island, Korea.

Member of Program Committees, Invited Talks 2010

• W S C G 2010, 18th International Conference on Computer Graphics, Visualization and Computer Vision 2010, in co-operation with EUROGRAPHICS, University of West Bohemia, Campus-Bory, Plzen (Pilsen), Czech Republic, February 1-4, 2010.
• The Eleventh IASTED International Conference on Computer Graphics and Imaging, GIM 2010, Innsbruck, Austria, February 17-19, 2010.
• IEEE ECBS 2010, 17th IEEE International Conference and Workshops on Engineering of Computer-Based Systems, St Anne's College, University of Oxford, UK, 22-26 March, 2010.
• ADA 6, Astronomical Data Analysis 6th Conference, in honor of Albert Bijaoui, Monastir, Tunisia, 3-6 May 2010.
• 2nd International Conference on Advanced Science and Technology, India, 3-5 June 2010.
• Jadt2010, 10th International Conference on Statistical Analysis of Textual Data, Rome, Italy, 9-11 June 2010, invited talk.
• AstroInformatics 2010, Cahill Center for Astronomy & Astrophysics, Caltech, Pasadena, 16-19 June 2010.
• Classification Society Annual Meeting, St Louis, Missouri, 17-19 June 2010.
• 20th International Conference on Pattern Recognition (ICPR 2010) (Technical Program Committee), Istanbul Convention and Exhibition Centre, Istanbul, Turkey, 23-26 August 2010.
• First International Conference on Security-enriched Urban Computing and Smart Grid (SUComS), Daejeon, Korea, 15-17 September 2010.
• The 2010 International Symposium on Database Theory and Application (DTA 2010), 11-13 November 2010, Cebu, Philippines.

Member of Program Committees, 2011

• 19th WSCG conference on Computer Graphics, Visualization and Computer Vision 2011, 31 January - 4 February 2011, Plzen, Czech Republic.
• Twelfth IASTED International Conference on Computer Graphics and Imaging, CGIM 2011, 16-18 February 2011, Innsbruck, Austria.
• Science: Image in Action, 7th International Workshop on Data Analysis in Astronomy "Livio Scarsi and Vito Di Gesù", 15-22 April 2011, Ettore Majorana Foundation and Centre for Scientific Culture, Erice, Italy. (Invited speaker.)
• IEEE ECBS 2011, 18th IEEE International Conference and Workshops on Engineering of Computer-Based Systems, 27-29 April 2011, Las Vegas, USA.
• SCMA V, Fifth Conference on Statistical Challenges in Modern Astronomy, 13-17 June 2011, Pennsylvania State University.
• Conference Chair, ICC 2011, International Classification Conference 2001 (formerly International Federation of Classification Societies Conference, IFCS 2011), 10-17 July 2011, St Andrews, Scotland.
• Session/talk, World Statistics Congress (ISI, International Statistical Institute), 21-26 August 2011, Dublin, Ireland.
• ECBS-EERC 2011, IEEE Eastern European Regional Conference on the Engineering of Computer Based Systems, Slovakia, 5-6 Sept. 2011, Bratislava, Slovakia.
• IMVIP 2011, Irish Machine Vision and Image Processing Conference 2011, 7-9 September 2011, Dublin City University, Ireland.
• Co-Chair, AICS 2011, Artificial Intelligence and Cognitive Science, September 2011, Magee College, University of Ulster, Derry, Northern Ireland.
• The 2nd International Conference on Security-enriched Urban Computing and Smart Grids (SUComS 2011), 14-16 September 2011, Hualien, Taiwan.