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SIMULATION
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GroupSim: A Collaborative Environment for Discrete Event Simulation Software Development for the World Wide Web

Wladimir Araújo Filho

Department of Computer Science, Instituto Tecnológico de Aeronáutica, CTA-ITA-IEC, 12.228-900, S.J. Campos, SP, Brazil

Celso M. Hirata

Department of Computer Science, Instituto Tecnológico de Aeronáutica, CTA-ITA-IEC, 12.228-900, S.J. Campos, SP, Brazil, hirata{at}comp.ita.br

Edgar T. Yano

Department of Computer Science, Instituto Tecnológico de Aeronáutica, CTA-ITA-IEC, 12.228-900, S.J. Campos, SP, Brazil

The simulation process involves the collaboration of different participants, such as simulation analysts, programmers, statisticians, and users of the simulation software. Many simulation tasks such as modeling, verification, validation, and design for experimentation require the participants to meet. It is understood that these meetings are time-consuming and expensive. This paper proposes a collaborative environment to help with the tasks of discrete event simulation software development using the World Wide Web platform. The environment, named GroupSim, is based on a collaborative computer system and uses the concepts of distributed modeling with automatic program generation and distributed control of experimentation. The authors show some examples to illustrate the use of the environment and discuss some issues related to collaborative environments such as concurrency control, access control, awareness, and performance.

Key Words: Web-based simulation • collaborative simulation • simulation modeling • World Wide Web

SIMULATION, Vol. 80, No. 6, 257-272 (2004)
DOI: 10.1177/0037549704044882
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