منابع مشابه
The Virtual Union Catalog: A Comparative Study
A Virtual union catalog is a possible alternative to the centralized database of distributed resources found in many library systems. Such a catalog would not be maintained in a single location but would be created in real time by searching each local campus or affiliate library’s catalog through the Z39.50 protocol. This would eliminate the redundancy of record storage as well as the expense o...
متن کاملThe Added Value of Value Added Tax
Raising domestic tax revenues is a priority for most sub-Saharan African countries. But the tax bases in most African countries are undermined by widespread tax avoidance and evasion. A new study from CMI supports the claim that improved knowledge about the tax system makes a difference in people’s willingness to pay tax. The study shows that exposure to Value-AddedTax (VAT) makes people take a...
متن کاملFacilitating Resource Utilization in Union Catalog Systems
Numerous papers have addressed building Union Catalog (UC) technologies, such as metadata schema, data exchange (e.g., OAI-PMH, Z39.50), and resource classification. In contrast to these approaches, in this article, we focus on UC technologies that leverage resource utilization across digital resources. We take the repositories of National Digital Archives Program (NDAP) in Taiwan as the projec...
متن کاملCompact formulations as a union of polyhedra
We explore one method for finding the convex hull of certain mixed integer sets. The approach is to break up the original set into a small number of subsets, find a compact polyhedral description of the convex hull of each subset, and then take the convex hull of the union of these polyhedra. The resulting extended formulation is then compact, its projection is the convex hull of the original s...
متن کاملvalue added tax and tax evasion
The phenomenon of tax evasion has been always one of the most major issues among economists due to it's devastating effects on the economy and the process of economic development. Many scholars have always sought to provide solutions to reduce and limit tax evasion. The introduction of the VAT system can be seen as a milestone in the area of economic transparency and tax evasion, which refers t...
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ژورنال
عنوان ژورنال: College & Research Libraries News
سال: 1990
ISSN: 2150-6698,0099-0086
DOI: 10.5860/crln.51.9.835