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Immune Algorithm for Solving the Optimization Problems of computer communication networks

The Journal of China Universities of Posts and Telecommunications 2000年第4期7卷 18-24页

作者： GAO Jie 1, WU Xin yu 2 (1. Department of Applied Mathematics and Physics, Nanjing University of Posts and Telecommunications, Nanjing 210003, P. R. China 2. Department of Electronical Engineering, Nanjing University of Posts and Telecommunications, Department of Applied Mathematics and Physics Nanjing University of Posts and Telecommunications Nanjing 210003 P. R. China Department of Electronical Engineering Nanjing University of Posts and Telecommunications Nanjing 210003 P. R. China

The basic problem in optimizing communication networks is to assign a proper circuit for each origin destination pair in networks so as to minimize the average network delay, and the network optimal route selection model is a multi constrained 0 1 nonlinear programming problem. In this paper, a new stochastic optimization algorithm, Immune Algorithm, is applied to solve the optimization problem in communication networks. And the backbone network vBNS is chosen to illustrate the technique of evaluating delay in a virtual network. At last, IA is compared with the optimization method in communication networks based on Genetic Algorithm, and the result shows that IA is better than GA in global optimum finding.

关键词： immune algorithm computer communication networks network delay optimal route select

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Initial application of picture archiving and communication system and its benefit analysis

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Chinese Medical Journal 2004年第10期117卷 1582-1585页

作者：罗敏彭承琳王小林罗松雷文勇王康温洪宇王学健曹军 Information Centre Affiliated Hospital of Guiyang Medical College Guiyang 550004 China

In recent years, the daily clinical volume has increased rapidly to over 3000 patients in the Affiliated Hospital of Guiyang Medical College in southwestern China of Guizhou Province, and the pressure to improve working efficiency and scientific management has increased gradually. Previously, each imaging department and section did not liaise, so the archiving rate of image materials (film) is rather low. Damaged and missing films were a serious problem, adversely affecting the work of teaching, scientific research and clinics to a considerable extent. After establishing and applying a large-scale picture archiving and communication system (PACS), the administration of the hospital in these respects has been vastly improved.

关键词： computer communication networks hospital information systems radiology information systems comparative study

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