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The paper discusses the problem of design and analysis of large scale communication systems. An iterative process, composed of a minimum cost network design algorithm and a network performance algorithm, is presented for the solution of these problems. Computational considerations, using these algorithms, are discussed. 相似文献
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This paper describes a method for assessing the effectiveness of strategic planning systems in terms of the results actually observed subsequent to planning activity. The paper explains in particular how, in making the assessment, one might cope with the fact of environmental change subsequent to the setting of planned goals. This ends oriented approach to measuring effectiveness is shown to be complementary to process oriented approaches and is illustrated by an example from the coal industry. 相似文献
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Arianne MJ Elissen Arno JA Van Raak Emmy WCC Derckx Hubertus JM Vrijhoef 《International Journal of Social Welfare》2013,22(1):80-89
Elissen AMJ, Van Raak AJA, Derckx EWCC, Vrijhoef HJM. Improving homeless persons' utilisation of primary care: lessons to be learned from an outreach programme in The Netherlands Faced with rising homelessness, countries around the world are in need of innovative approaches to caring for those without shelter, who, more often than not, suffer from severe health problems. We conducted a case study of an innovative Dutch Primary Care for the Homeless (PCH) programme to gain insight into clients' demographic characteristics, health problems and service use, and to develop an explanation for its success in increasing the latter. Our analyses are based on a combination of quantitative and qualitative data. The results of the study suggest that the success of the PCH programme can be explained by the providers' pragmatism and will to adapt their mode of care provision to the behavioural patterns and needs of their homeless clients. 相似文献
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Stress and coping among older workers 总被引:1,自引:0,他引:1
Age-related changes in physical and cognitive abilities can raise adaptive challenges for older working adults. Older workers exhibit considerable capacity to manage and cope with the stress of job and environmental demands, but at some point, many can become overwhelmed, and find themselves at increased risk for health consequences, injury, disability, and diminished productivity. Older workers are, however, a highly heterogeneous population, and many continue to work safely and successfully. Employers are encouraged to join efforts to provide an optimal person-environment-fit for all of their employees, but with a sensitivity to the increased variability to be expected among older employees. 相似文献
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