C1. ANGELIS L., C. MOYSSIADIS (1994). Construction of A-efficient block designs for comparing test treatments with a control through (M,S)-optimality. Proceedings of the Second Hellenic European Conference on Mathematics and Informatics, pp. 341-349, September 1994, Athens, Greece.

C2. ANGELIS L., A. GEORGIOU, A. PAPADOPOULOU (1995). Investigating budget balance by Monte Carlo techniques. Proceedings of the 3rd Balkan Conference on Operational Research, pp. 1308 – 1322, October 1995, Thessaloniki, Greece.

C3. STAMELOS I., L. ANGELIS, E. SAKELLARIS (2001). BRACE: BootstRap based Analogy Cost Estimation: Automated support for an enhanced effort prediction method. Proceedings of the 12th European Software Control and Metrics Conference, pp. 17-23, April 2001, London, UK.

C4. ANGELIS L., I. STAMELOS, M. MORISIO (2001). Building a software cost estimation model based on categorical data. Proceedings of the 7th IEEE International Software Metrics Symposium, pp. 4-15, April 2001, London, UK.

C5. KATSAROS P., L. ANGELIS, C. LAZOS (2001). Applied multiresponse metamodelling for queuing network simulation experiments: problems and perspectives. Proceedings of the 4th International Eurosim 2001 Congress, June 2001, Delft, The Netherlands.

C6. STAMELOS I., L. ANGELIS, G. BLERIS, E. SAKELLARIS (2001). A statistical simulation tool for software cost evaluation – a case study in industrial context. Proceedings of the Workshop on Education of Informaticians and Industrial Mathematicians – New Challenges and Needs, pp. 163-175, June 2001, Ohrid, FYROM.

C7. ANTONIADES I., I. STAMELOS, L. ANGELIS, G. BLERIS (2001). Towards an open source software development simulation model. Proceedings of the Workshop on Education of Informaticians and Industrial Mathematicians – New Challenges and Needs, pp. 1-15, June 2001, Ohrid, FYROM.

C8. VAKALI A., E. TERZI, L. ANGELIS, M. S. HACID (2001). Multimedia documents storage: An evolutionary based application. Proceedings of the International Workshop on Multimedia Data and Document Engineering, in conjunction with the 7th International Conference on Reverse engineering Technologies for Information Systems (ReTIS), pp. 36-44, July 2001, Lyon, France.

C9. DELIGIANIS I., I. STAMELOS, L. ANGELIS, M. ROUMELIOTIS (2002). The impact of heuristics on object-oriented design maintainability: a controlled experiment. Proceedings of the 4th International Workshop on Computer Science and Information Technologies (CSIT 2002), September 2002, Patras, Greece.

C10. PALLIS G., A. VAKALI, L. ANGELIS, M. S. HACID (2003). A study on workload characterization for a web proxy server. Proceedings of the 21st IASTED International Multi – Conference on Applied Informatics, pp. 779-784, February 2003, Innsbruck, Austria.

C11. ANGELIS L., I. STAMELOS, G. BLERIS, (2003). Recent developments in information systems software cost estimation. Proceedings of the 1st International Conference on Mathematics and Informatics for Industry, pp. 220-234, April 2003, Thessaloniki, Greece.

C12. KAROULIS A, I. STAMELOS, L. ANGELIS, A. POMBORTSIS (2003). A controlled experiment investigation on the impact of an instructional tool for personalized learning. Proceedings of the 3rd IEEE International Conference on Advanced Learning Technologies (ICALT 03), pp. 354-355, July 2003, Athens, Greece.

C13. BIBI S., I. STAMELOS, L. ANGELIS (2003). Bayesian belief networks as a software productivity estimation tool. Proceedings of the 1st Balkan Conference in Informatics, pp. 585-596, Thessaloniki, November 2003.

C14. MARNAS S., L. ANGELIS, G. BLERIS (2003). All-or-nothing transforms using quasigroups. Proceedings of the 1st Balkan Conference on Informatics, November 2003, Thessaloniki, Greece.

C15. PALLIS G., L. ANGELIS, A. VAKALI, J. POKORNY (2004): A Probabilistic Validation Algorithm for Web Users’ Clusters. Proceedings of the IEEE International Conference on Systems, Man and Cybernetics, Hague, Holland.