- Tenth International Conference on Tools and Algorithms for the Construction and Analysis of Systems
- Fourth International Workshop on Ant Colony Optimization and Swarm Intelligence
- 2nd Workshop on Approximation and Online Algorithms (WAOA 2004)
- The 10th Annual International Computing and Combinatorics Conference (COCOON 2004)
- The First IEEE Symposium on Artificial Life
- III Colombian Congress and the I International Andean conference on Operations Research - CCIO-2004
- ORSNZ 2010
- European Conference on Mathematics for Industry
- 4th International Symposium of Data Envelopment Analysis
- International Conference on Computational Methods (ICCM 2004)
- Conference on Applications of Discrete Mathematics and Theoretical Computer Science
- Scheduling in Computer and Manufacturing Systems
- Nordic MPS '04
- ICICET 2016
- ECCO XXIV
- IASTED International Conference on Internet and Multimedia Systems and Applications
- ECEC'2004
- Distributed & Parallel Computing Techniques for Agents and Autonomous Computing
- 15th Mini-EURO Conference: "Managing Uncertainty in Decision Support Models"
- XIV INTERNATIONAL SYMPOSIUM ON MATHEMATICAL METHODS APPLIED