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排序方式: 共有199条查询结果,搜索用时 234 毫秒
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Heinz Rüther Michael Chazan Ralph Schroeder Rudy Neeser Christoph Held Steven James Walker Ari Matmon Liora Kolska Horwitz 《Journal of archaeological science》2009
The ‘African Cultural Heritage and Landscape Database’ project, initiated and directed by the senior author and administered by Aluka (www.aluka.org), is aimed at the creation of a digital library of spatial and non-spatial materials relating to cultural heritage sites in Africa. The archaeological site of Wonderwerk Cave (South Africa) is one of the 19 sites documented to date using laser scanning, conventional survey, digital photogrammetry and 3D modelling. To date, it is one of the few archaeological caves worldwide to be fully scanned. This paper explores the different uses to which the spatial data derived from this cave have been, or will be, put – for historical and educational purposes, scientific research and site conservation and development. 相似文献
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Different economic theories suggest that residential and labor market relocations are mutually related. This has been verified in various empirical studies. We analyze this relationship based on a bivariate duration model of residential and labor market mobility. This specification is motivated by a search model that allows for simultaneous search on the labor and housing market, taking commuting costs into account. We investigate this relationship by using information on job and residence durations. In order to be able to analyze properly empirical duration data, we derive the statistical distributions of interest. Our empirical results based on a Dutch sample of full-time employed workers show that residential and labor market mobility depend positively on one another, which is in line with the theoretical search model presented. Moreover, we present easy-to-interpret measures for this dependency. 相似文献
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Jos G. M. Hilhorst 《Development and change》1998,29(1):1-26
In focusing on regional development and industrialization, this article highlights three main themes: the relevance to developing countries of the new industrial district concept; the apparent continued need to theorize agglomerated industrial growth; and the relevance of agricultural development to local and regional industrial development. It concludes that the new industrial district concept is not relevant to understanding industrialization in the peripheral regions of developing countries and that despite the introduction of decentralization policies, local industrial development will, as before, very largely depend on central government resource allocation, the stability of government and the role played by large and medium scale enterprises, including Multi-National Corporations (MNCs). It is also argued that without special efforts to develop agriculture, local and regional industrial development are less likely to occur. 相似文献