The Subsidized Muse: Government and the Arts in Western Europe and the United States     

Annette Zimmer  Stefan Toepler 《Journal of Cultural Economics》1999,23(1-2):33-49

Using the neo-classical justifications for government support of the arts that Dick Netzer discussed in The Subsidized Muse as a starting point, the article contends that market failure is not an useful concept to understand and explain cultural policies and the degree of government involvement, particularly when viewed from a comparative perspective. The basic fault is that historical- institutional arrangements and the role of non-state actors in the formation of cultural policies are not taken into account. Discussing some aspects of the institutional framework in the development of French, Swedish and U.S. cultural policies, the article concludes with a call for the use of neo-institutionalist perspectives in analyzing government intervention in the arts field.  相似文献   

Frequency-coordinate vector diagram     

Philip F. Ordung  Herbert L. Krauss 《Journal of The Franklin Institute》1951,251(3):343-350

From the standpoint of circuit synthesis as well as for a fundamental comprehension of circuit behavior, it is desirable to be able to visualize the response of a circuit over an extended frequency range by means of a geometrical construction. Mathematically, the response of a circuit can be expressed with the La Place transform theory as a function of the complex frequency variable, p = α + jωw, in which a is the decrement and ω is the “real” angular frequency. Physically, the nature of the real-frequency response is usually not discernible by casual inspection of the mathematical function. This paper develops a means of visualizing this frequency response readily through the construction of a vector diagram from the response function.  相似文献   

Transformation of the national higher education and research systems of Central Europe     

Ralf Dahrendorf  Stefan Amsterdamski 《Minerva》1993,31(4):504-522

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The Cost-effectiveness of Preventive Conservation Actions     

Stefan Michalski  Irene Karsten 《文物保护研究》2018,63(5):187-194

ABSTRACT

Two historic house museums, a municipal art gallery, and a provincial archive have had comprehensive risk and option assessments done by the Canadian Conservation Institute. For each institution, an average of 60 options addressing 40 risks was analyzed in terms of risk reduction, cost, and cost-effectiveness. A meta-analysis found that cost-effectiveness follows a strong economy of scale within each institution. By estimating valuation of each collection, cost-effectiveness was converted into benefit–cost ratio of dollar spent per dollar value saved and was found not to follow an economy of scale between small and large institutions. Optimization software was applied to see if precise maximization of risk reduction gave significantly different recommendations than those in the original reports which relied on the Pareto rule of addressing the largest risks first.  相似文献   

Sustainable Museum Storage Buildings for Long-term Preservation     

Kristina Holl  Ralf Kilian  Lars Klemm  Kristin Lengsfeld  Stefan Bichlmair  Martin Krus 《文物保护研究》2018,63(5):366-368

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Ultrasonic phased array technology for the non-destructive testing of marble sculptures     

Frank Tiefensee  Peter Weber  Simon Kunz  Marisa Pamplona  Stefan Simon 《文物保护研究》2017,62(1):55-60

The medical ultrasonic phased array technology was modified for the non-destructive testing of marble sculptures and the feasibility of the approach was evaluated. For this purpose, 1?MHz, 64-channel phased array electronic and phased array transducers were developed. The specifications of the electronics and the transducers are presented and discussed. Ultrasound images of inner structures of a marble sculpture are presented. The problem of the acoustic matching layers for different states of deterioration is discussed and the developments in view of a suitable matching layer solution are presented. This matching layer is combined with a new coupling technique that protects the marble surface. The results of experiments on ultrasound phantoms and on a marble sculpture are presented.  相似文献   

Hybrid index maintenance for contiguous inverted lists     

Stefan Büttcher  Charles L. A. Clarke 《Information Retrieval》2008,11(3):175-207

Index maintenance strategies employed by dynamic text retrieval systems based on inverted files can be divided into two categories: merge-based and in-place update strategies. Within each category, individual update policies can be distinguished based on whether they store their on-disk posting lists in a contiguous or in a discontiguous fashion. Contiguous inverted lists, in general, lead to higher query performance, by minimizing the disk seek overhead at query time, while discontiguous inverted lists lead to higher update performance, requiring less effort during index maintenance operations. In this paper, we focus on retrieval systems with high query load, where the on-disk posting lists have to be stored in a contiguous fashion at all times. We discuss a combination of re-merge and in-place index update, called Hybrid Immediate Merge. The method performs strictly better than the re-merge baseline policy used in our experiments, as it leads to the same query performance, but substantially better update performance. The actual time savings achievable depend on the size of the text collection being indexed; a larger collection results in greater savings. In our experiments, variations of Hybrid Immediate Merge were able to reduce the total index update overhead by up to 73% compared to the re-merge baseline.

Stefan BüttcherEmail:

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Who are the Experts on Expertise?     

Stefan Timmermans 《Metascience》2006,15(1):123-126

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Refinding the Founding     

Michael I. Krauss 《Academic Questions》2016,29(4):483-484

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George Terzis and Robert Arp (eds): Information and Living Systems: Philosophical and Scientific Perspectives     

Stefan Artmann 《Science & Education》2012,21(8):1223-1228

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