- Workshop on Graph Theoretic Concepts in Computer Science (WG'2003)
- III Colombian Congress and the I International Andean conference on Operations Research - CCIO-2004
- 3rd International Conference on Networking (ICN'04)
- 6th International Conference on Spectral and High-Order Methods (ICOSAHOM'04)
- AMS Short Course: Trends in Optimization
- ICEIS 2004 - 6th International Conference on Enterprise Information Systems
- Multi-Echelon / MSOM 2004
- INFORMS Telecommunications Conference 2004
- ECDL2003 (European Conference on Research and Advanced Technology for Digital Libraries
- The First IEEE Symposium on Artificial Life
- LSS 2007: Lugano Doctoral and Postdoctoral Summer School on Soft and Critical Systems Thinking
- 24th INTERNATIONAL CONFERENCE ON APPLICATION AND THEORY OF PETRI
- ERATO Conference on Quantum Information Science 2003 (EQIS'03)
- LATIN (Latin American Theoretical Informatics) 04
- 28th International Symposium on Mathematical Foundations of Computer Science (MFCS 2003)
- 2ND INT'L WKSHP ON INFORMATION TECHNOLOGIES AND COMPUTING TECHNIQUES FOR THE FOOD SECTOR (AFoT 2003)
- Workshop on Viscoelastic Constitutive Modelling and Computation
- XIV INTERNATIONAL SYMPOSIUM ON MATHEMATICAL METHODS APPLIED
- COMBINATORICS in CAMBRIDGE
- ICALP 2003 Satellite Workshop