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Mecanismos de Flexibilização de Sistemas ... - Igor.pro.br

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Como resultado da pesquisa obteve-se a tabela 1, que traz um comparativo levando em conta as duas possíveis<<strong>br</strong> />

maneiras <strong>de</strong> <strong>pro</strong>ver antecipação a priori e a antecipação a posteriori. Na tabela as células som<strong>br</strong>eadas representam a<<strong>br</strong> />

melhor alternativa com relação ao item especificado na linha correspon<strong>de</strong>nte.<<strong>br</strong> />

Alguns experimentos estão sendo realizados levando-se em conta a antecipação <strong>de</strong> tarefas, tentando prever o<<strong>br</strong> />

comportamento humano durante tal <strong>pro</strong>cesso. Com certeza o uso <strong>de</strong>sta abordagem trará perdas com relação ao esforço<<strong>br</strong> />

<strong>de</strong> comunicação relativo à troca dos resultados intermediários. O que se preten<strong>de</strong> ter como resultado <strong>de</strong> tais<<strong>br</strong> />

experimentos, é a relação existente entre antecipação e perda com comunicação, po<strong>de</strong>ndo-se prever os casos em que a<<strong>br</strong> />

antecipação traria ganhos com relação ao tempo <strong>de</strong> execução dos <strong>pro</strong>cessos.<<strong>br</strong> />

Agra<strong>de</strong>cimentos<<strong>br</strong> />

Agra<strong>de</strong>cimentos especiais ao Programa <strong>de</strong> Pós Graduação em Computação da Universida<strong>de</strong> Fe<strong>de</strong>ral do Rio Gran<strong>de</strong> do<<strong>br</strong> />

Sul, ao grupo CEMT/SIGHA e ao CNPq, que financiou esta pesquisa.<<strong>br</strong> />

Referências<<strong>br</strong> />

AALST, W.; HEE, K. Workflow Management: Mo<strong>de</strong>ls, Methods and Systems. The MIT Press – Massachussets<<strong>br</strong> />

Institute of Technology, Massachussets, 2002.<<strong>br</strong> />

AIELLO, R. Workflow Performance Evaluation, Tese (Doutorado em Informática) – Università di Salerno, Salerno,<<strong>br</strong> />

2004.<<strong>br</strong> />

CANALS, G.; GODART, C.; MOLLI, P.; MUNIER, M. A criterion to enforce correctness of indirectly coopera-tion<<strong>br</strong> />

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DOURISH, P.; HOLMES, J.; MACLEAN, A.; MARQVARDSEN, P.; ZBYSLAW, A. Freeflow: Mediating Be-tween<<strong>br</strong> />

Representation and Action in Workflow Systems. In: ACM conference on computer supported cooperative work,<<strong>br</strong> />

1996, Boston, EUA. Proceedings… Nova York: ACM Press, 1996. p. 190-198.<<strong>br</strong> />

FRANÇA, M. Proposta e implementação <strong>de</strong> uma máquina <strong>de</strong> workflow para o <strong>pro</strong>jeto CEMT. 2004. Dissertação<<strong>br</strong> />

(Mestrado em Computação) – Instituto <strong>de</strong> Informática, Universida<strong>de</strong> Fe<strong>de</strong>ral do Rio Gran<strong>de</strong> do Sul, Porto Alegre.<<strong>br</strong> />

2004.<<strong>br</strong> />

GODART, C.; PERRIN, O.; SKAF, H. Coo: a Workflow Operator to Im<strong>pro</strong>ve the Cooperation Mo<strong>de</strong>ling in Vir-tual<<strong>br</strong> />

Processes. In: International Workshop on Research Issues on Data Engineering: Information Technology for Virtual<<strong>br</strong> />

Enterprises, 9., 1999, Sidney, Austrália. Proceedings… Washington: IEEE Computer Society, 1999. p. 126-131.<<strong>br</strong> />

GRIGORI, D. Eléments <strong>de</strong> flexibilité <strong>de</strong>s systèmes <strong>de</strong> workflow pour la définition et l’exécution <strong>de</strong> <strong>pro</strong>cédés<<strong>br</strong> />

coopératifs. 2001. 135f. Tese (Doutorado em Informática) – Université Henri Poincaré, Nancy 1. 2001.<<strong>br</strong> />

GRIGORI, D.; CHAROY, F.; GODART, C. Coo-Flow: A Process Technology to Support Cooperative Processes.<<strong>br</strong> />

International Journal of Software Engineering and Knowledge Engineering, v. 14, n.1, p. 1-19, Janeiro 2004.<<strong>br</strong> />

HAGEN, C.; ALONSO, G.. Beyond the black box: Event-based inter-<strong>pro</strong>cess communication in <strong>pro</strong>cess support<<strong>br</strong> />

systems. In: International Conference on Distributed Computing Systems,19. , Austin, EUA, 1999. Proceedings…IEEE<<strong>br</strong> />

Computer Society, 1999. p. 450–457.<<strong>br</strong> />

JOERIS, G.; HERZOG, O. Towards Object-Oriented Mo<strong>de</strong>ling and Enacting of Processes. TZI-Report 07/98, Center<<strong>br</strong> />

for Computing Technologies, Universida<strong>de</strong> <strong>de</strong> Bremen, Bremen. 1998.<<strong>br</strong> />

JOERIS, G. Defining Flexible Workflow Execution Behaviors. In: Enterprise-Wi<strong>de</strong> and Crossenterprise Work-flow<<strong>br</strong> />

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JOERIS, G.; HERZOG, O. Towards Flexible and High-Level Mo<strong>de</strong>ling and Enacting of Processes. In: interna-tional<<strong>br</strong> />

conference on advanced information systems engineering (Caise), 11., 1999, Hei<strong>de</strong>lberg, Alemanha. Proceedings…<<strong>br</strong> />

Londres: Springer Verlag, 1999. p. 88-102. (Lecture Notes In Computer Sciences).<<strong>br</strong> />

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Information Systems (AMCIS), 2000, Long Beach, EUA. Proceedings… 2000. p.581-585.<<strong>br</strong> />

LAGUNA, M.; MARKLUND, J. Business Process Mo<strong>de</strong>ling, Simulation, and Design. Prentice Hall, 2004.<<strong>br</strong> />

LIMA, J. V.; QUINT, V.; LAYAIDA, N.; EDELWEISS, N.; ZEVE, C. M. D.; PINHEIRO, M. K.; TELECKEN, T. L.<<strong>br</strong> />

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