An extensible visual environment for construction and analysis of hierarchically-structured models of resource contention systems

Article Abstract:

The process of developing models for assessing the performance of resource contention systems is difficult and complex. Resource contention systems include manufacturing systems, computer systems, and communications networks. Developers can improve the modeling process by using software tools. The Research Queueing Package Modeling Environment (RESQME) can help design, solve, and evaluate the results of extended queueing network models of resource contention systems in a graphic environment. The key features of RESQME include the ability to design and evaluate hierarchically-structured models, and the ability to utilize user-defined modeling factors to customize and extend the RESQME environment for domain-specific modeling.

Models, System design, Systems analysis, Queuing theory, Research Queueing Package Modeling Environment (Computer program)

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An optimization based integrated short-term refined petroleum product planning system

Article Abstract:

A new and successful use of mathematical programming in the petroleum industry is detailed. A model and computer system that handles complex, short-term planning and operational issues in the supply, distribution, and marketing of petroleum products is described. The system is used by Citgo Petroleum Corp, saving the company $116 million in product inventories, which in turn saved $14 million per year in working capital costs. An additional $2.5 million contribution to bottom line profits is also gained through multiple supply distribution and marketing information given by the system.

Petroleum refining, Computer networks, Petroleum industry, Business planning, Information networks, CITGO Petroleum Corp.

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Creativity enhancement in problem solving: through software or process?

Article Abstract:

The authors explore how using creativity-enhanced process, manual and computer software, affects creative response to problem solving tasks. Results indicate that creativity is more responsive to process than to the vehicle used to deliver the process.

Computer Software, Software Publishers, Management, Problem solving, Creative ability, Creativity, Production engineering

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