- The 23rd Belgian Conference on Operations Research
- Michael H. Rothkopf Memorial Conference
- Location and Network Design Workshop (LAND)
- MIP 2009
- 2009 IEEE International Conference on Industrial Engineering and Engineering Management
- 12th International Conference on Stochastic Programming
- ECEC'2009
- FUBUTEC'2009
- ISC'2009
- MESM'2009
- 2009 Humanitarian Logistics Conference
- MOPTA 2009: Modeling and Optimization: Theory and Applications
- 4th International Conference on Information Warfare and Security
- European Conference on Intellectual Capital
- 8th European Conference on Research Methods in Business and Management
- IEEE SCC 2009 International Conference on Services Computing
- 9th European Conference on e-Government
- 8th european Conference on Information Warfare and Security
- 4th International Conference on e-Learning
- 10th european Conference on Knowledge Management
