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A Theory for the Initial Allocating of Real Time Tasks in Distributed Systems
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作者 鄢勇 金灿明 《Journal of Computer Science & Technology》 SCIE EI CSCD 1992年第2期185-188,共4页
Referring to a set of real time tasks with arriving time,executing time and deadline,this paperdiscusses the problem of polynomial time initial-allocating approximation algorithms in a distributedsystem and five new r... Referring to a set of real time tasks with arriving time,executing time and deadline,this paperdiscusses the problem of polynomial time initial-allocating approximation algorithms in a distributedsystem and five new results are gained which provide a theory for the designing of initial-allocating algorithmsof real time tasks. 展开更多
关键词 real time A Theory for the Initial Allocating of real time Tasks in Distributed Systems OP
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Multiobjective Optimal Water ResourcesManagement for a Large River Basin
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作者 Mahmoud Mohammad Issa Hasan(Ph. D Student in Hydrology and Weter Resources Enginering, College of Hydrology and WaterResources Engineering, Hohai University, Nanjing 210098 P. R. China) 《Systems Science and Systems Engineering》 CSCD 1999年第2期244-251,共8页
The availalability. use, development, and management of water resources are receivingincreasing attentioll worldwide. As demands for water continues to grow and the resources continue todwindle or at best remain cons... The availalability. use, development, and management of water resources are receivingincreasing attentioll worldwide. As demands for water continues to grow and the resources continue todwindle or at best remain constant at some level, it has become increasingly necessary to develop moreand more methods for the managaement of this scarce resource especially in arid and semiarid regions.The necessity of integrated planning and management of the basin arises because of insufficient anderratic nature of the rainfall. The purpose of this paper is to determine the optimal operation policy ofthe water resources for the river basins to meet the multi-objective demands of water requirements. Anoptimization approach has been developed to aid decision making in the real time allocation of waterwithin t he context of a large-scale, multi-objective, complex river system. The optimization approach isbased on the Progressive Optimality Algorithm, Golden Search techniqlle, and the ε-constraint method.As a case study, the present methodology is applied to the Yellow River Reservoir system in China andpresented in a companion paper in this issue. 展开更多
关键词 multiobjective optimization reservoir operation large scale real time allocation river basin water resources
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