14,629 research outputs found

    The changing nature of work

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    AN INTERPRETABLE AXIOMATIZATION OF THE HIRSCH-INDEX

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    Ranking authors using fractional counting of citations : an axiomatic approach

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    This paper analyzes from an axiomatic point of view a recent proposal for counting citations: the value of a citation given by a paper is inversely proportional to the total number of papers it cites. This way of fractionally counting citations was suggested as a possible way to normalize citation counts between fields of research having different citation cultures. It belongs to the “citing-side” approach to normalization. We focus on the properties characterizing this way of counting citations when it comes to ranking authors. Our analysis is conducted within a formal framework that is more complex but also more realistic than the one usually adopted in most axiomatic analyses of this kind

    Earthquake damage in underground roadways

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    Earthquake damage in underground roadways and mine workings is considered, with particular application to the mines operated by Solid Energy NZ Ltd., on the West Coast of New Zealand’s South Island. The scenario considered is the effect on the mine workings of an earthquake, of moment magnitude eight, being generated by a rupture of the Alpine fault. An empirical relation from the seismology literature is used to relate earthquake magnitude, distance from the epicentre and the peak ground acceleration resulting from the seismic waves. This relation is used to estimate the likely damage at the mine site. Also, the decay scale for Rayleigh (surface) waves is calculated and the implications for the mine workings considered. The two-dimensional scattering of shear (SH) seismic waves from the mine workings is considered. Analytical solutions relevant to various mine tunnel geometries are presented with the stress and displacement amplification, due to scattering from the mine workings, calculated and discussed

    THE KEYS TO PREPARING SUCCESSFUL RESEARCH GRANT PROPOSALS

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    This article seeks to demystify the competitive grant recommendation process of scientific peer review panels. The National Research Initiative Competitive Grants Program (NRICGP) administered by the U.S. Department of Agriculture-Cooperative State Research, Extension, and Education Service (USDA-CSREES) serves as the focus of this article. This article provides a brief background on the NRICGP and discusses the application process, the scientific peer review process, guidelines for grant writing, and ways to interpret reviewer comments if a proposal is not funded. The essentials of good grant writing discussed in this article are transferable to other USDA competitive grant programs.competitive grants, national research initiative competitive grants program, NRI, USDA-CSREES, Research Methods/ Statistical Methods,

    HOPES AND FEARS: THE NEW WORLD TRADE NEGOTIATIONS AND SOUTHERN AGRICULTURE

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    Understanding the impacts of the Uruguay Round (UR) Agreement on southern commodities serves as a starting point to assess the potential impacts of the next global trade negotiations in terms of hope (expanding export markets) and fear (new competition). Key issues examined include whether or not the UR Agreement resulted in new markets or new competition for key southern commodities-cotton, poultry, tobacco, and rice. For new markets, export data were analyzed to determine if exports increased since the passage of the UR Agreement in 1994. Also, countries that are leading world importers of these southern commodities were identified and data analyzed to determine whether the U.S. is exporting to these top markets. Alternatively, to assess whether the UR Agreement resulted in new competition for southern commodities, countries that are leading world exporters were identified and data analyzed to determine whether the U.S. is among them. Data analyses was supplemented with interviews of southern commodities experts who assess impacts of the GATT-UR and identify issues for the next round of global trade negotiations.agricultural trade, cotton, General Agreement on Tariffs and Trade (GATT), international trade, poultry, rice, the South, tobacco, Uruguay Round Agreements, World Trade Organization (WTO), International Relations/Trade,

    Managers on the move

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    The proportion of managers who change jobs in any given year has risen from about 10% in 1980 to 30% by the mid 1990s. And the results of restructuring are a major cause for this increase

    Subjective expected utility without preferences

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    This paper proposes a theory of subjective expected utility based on primitives only involving the fact that an act can be judged either "attractive" or "unattractive". We give conditions implying that there are a utility function on the set of consequences and a probability distribution on the set of states such that attractive acts have a subjective expected utility above some threshold. The numerical representation that is obtained has strong uniqueness properties.Subjective Expected Utility ; Conjoint Measurement
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