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面向服务的体系结构、对等网络和网格技术的发展为数宇图书馆体系结构的研究和应用带来了新的机遇,使其在开放性和柔性方面的拓展成为可能。下一代数字图书馆应当是能为更多用户服务的、自适性更强的服务组织,它是以联邦模式进行资源库的构建和服务的组织。与传统数字图书馆相比,下一代数字图书馆的体系结构将更为分布和动态,从而适应资源库、元数据和服务所呈现出的高度异构性。 相似文献
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Zuckerman: Scientist Extraordinary by Bernard Donovan BioScientifica, Bristol, 2005, 555pp. ISBN 1‐901978249 £24.95 Negotiating licences for digital resources by Fiona Durrant Facet Publishing, 2006, ISBN 1 85604 586 2 Metadata for Information Management and Retrieval By David Haynes Facet Publishing, 2004, ISBN 1 85604 4890 相似文献
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Bernadette Robinson 《Distance Education》1999,20(2):181-204
The use of open and distance learning for non‐formal education is much less canvassed in the literature than for formal education. This paper provides a case study, grounded in practice, of the first open and distance learning for non‐formal education in Mongolia, a developing country undergoing rapid transition in the 1990s from a command to a market economy and from communism to a multi‐party democracy. The paper outlines the project and its context, explains the rationale for it, and analyses its achievements, limitations and lessons. It also identifies the additional problems for Open and Distance Education (ODE) in a context of rapid economic transition. 相似文献
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Abraham E. Haspel 《Higher Education》1978,7(3):279-294
Employers optimally pursue activities which facilitate the coordinating of employee characteristics and the requirements of the job. One allegedly important employee characteristic is the level of education. Employees with higher levels of education are rewarded with higher wages than employees with lower levels. This may occur if higher levels of education make an employee truly more productive or if because of an employer's beliefs only those individuals with higher levels of education are allowed to enter the higher paying positions (occupational screening).The above propositions are testable, depending crucially upon the theoretical model employed for determining occupational choices. We shall compare the implications of two possible occupation choice models: (1) enter the job which offers the highest lifetime income, (2) enter the job which offers the highest level of overall satisfaction. We estimate these two models using the NBER-TH data sample. By distributing our estimated results and the actual distribution of occupations over the education levels of high school, some college and BA we can see if more or less people are expected to enter specific occupations at each education level. Support for screening exists if more people are expected in high status occupations at low education levels than are actually in those occupations.When comparing the estimated results for each model we see different outcomes emerge. The latter indicates that screening does not exist while the former does. We present arguments as to why we feel that the second model is the more correct and appropriate and, consequently, why we feel that education is not an effective screening device. 相似文献
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How Exemplar Counselor Advocates Develop Social Justice Interest: A Qualitative Investigation
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Melissa Robinson Swartz Dodie Limberg Joshua Gold 《Counselor Education & Supervision》2018,57(1):18-33
The authors examined the experiences of 10 peer‐nominated exemplar counselor advocates using grounded theory methodology (Strauss & Corbin, 1998 ). Analysis by the authors yielded a model of how exemplar counselor advocates develop a social justice interest and provided key insights on how counselor educators can enhance social justice interest in their students. Implications for supervisors and scholars are presented. 相似文献