131,837 research outputs found

    Geometric T-Duality: Buscher Rules in General Topology

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    The classical Buscher rules d escribe T-duality for metrics and B-fields in a topologically trivial setting. On the other hand, topological T-duality addresses aspects of non-trivial topology while neglecting metrics and B-fields. In this article, we develop a new unifying framework for both aspects

    MeSH term explosion and author rank improve expert recommendations

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    Information overload is an often-cited phenomenon that reduces the productivity, efficiency and efficacy of scientists. One challenge for scientists is to find appropriate collaborators in their research. The literature describes various solutions to the problem of expertise location, but most current approaches do not appear to be very suitable for expert recommendations in biomedical research. In this study, we present the development and initial evaluation of a vector space model-based algorithm to calculate researcher similarity using four inputs: 1) MeSH terms of publications; 2) MeSH terms and author rank; 3) exploded MeSH terms; and 4) exploded MeSH terms and author rank. We developed and evaluated the algorithm using a data set of 17,525 authors and their 22,542 papers. On average, our algorithms correctly predicted 2.5 of the top 5/10 coauthors of individual scientists. Exploded MeSH and author rank outperformed all other algorithms in accuracy, followed closely by MeSH and author rank. Our results show that the accuracy of MeSH term-based matching can be enhanced with other metadata such as author rank

    Moving towards a new view of diagnostic work : some implications

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    The diverse studies of diagnostic work in this book give shape to a new view of diagnostic work. They highlight just how much more than individual cognitive capability is needed, the close relationship between analysis and intervention, the often implicit nature of diagnosis, and the fact that there are several degrees or levels of diagnostic work. Different knowledges, motivations, skills and forms of expertise are mobilised in often collaborative and embodied encounters between people and objects. Matter and matters are made to speak in many ways through social, material and embodied practices. We would like to argue that this ʼnew view’ of diagnostic work does not just ‘explain’ diagnosis in a more precise and sensitive manner. Indeed, in light of the rich descriptions in this book, the attempt to summarise the new view above exposes explanation as an unsatisfactorily abstract endeavour. The studies in this book, importantly, provide much more than explanation. They exhibit the specificities of diagnostic practices in different settings, some important intended and unintended consequences, moral and political implications, as well as opportunities for change

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    "Closing the R&D Gap, Evaluating the Sources of R&D Spending"

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    Both spending and tax policies have been implemented in the United States with the goal of stimulating private sector research and development (R&D). Karier questions whether current R&D policy, especially the research and experimentation tax credit, can contribute to closing the gap between nondefense expenditures on R&D in the United States and such expenditures in other countries, such as Japan and Germany. He also explores possible changes to our current R&D policy to make it more effective.

    A. D. Fricke, author

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    Black and white photograph of author, A. D. Fricke

    Dispelling the Myths Behind First-author Citation Counts

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    We conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more sophisticated methods

    Scholarly Communication and Publishing Lunch and Learn Talk #11: The ULS Open Access Author Fee Fund

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    At the May 2014 talk, you will learn about the ULS Open Access Author Fee Fund--what it is, why we do it, how it works, and how the program is going so far

    The R&D Tax Incentives

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    This article sets out some background information and reflections of the author on the R&D tax incentive schemes included in the Common Corporate Tax Base (CCTB) Proposal. In particular the author analyzes the stimulus to private R&D through ad hoc tax incentives included in the CCTB Proposal and dives into the actual provisions included in the Proposal highlighting the most relevant issues connected with their design and interpretation. Moreover, the author explores the interaction between the CCTB Proposal and the granting by Member States of domestic R&D tax incentives

    Turf and landscape research, 1973

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    Evaluation of Kentucky bluegrass varieties / M. H. Niehaus -- Turfgrass mixtures and their proper use / M. H. Niehaus -- Rooting and ethylene metabolism in cuttings / M. Kawase -- Propagation of woody ornamentals: preliminary studies / E. M. Smith and C. C. Powell -- Winter storage of container-grown ornamentals / F. K. Buscher and C. C. Powell -- Effects of two compounds as chemical pinching agents on cotoneaster apiculata / T. D. Pretlow and T. D. Sydnor -- Effects of herbicides on the rooting response of container-grown azaleas / T. A. Fretz -- Galinsoga control in nursery plantings / E. M. Smith -- A survey of the foliar mineral element content of nursery-grown ornamentals / E. M. Smith -- Black vine weevil in Ohio: the problem / D. G. Nielsen and C. P. Balderston -- The chemical control of apple scab on ornamental crabapples / C. C. Powell, Jr. -- Effects of fertilizer placement on tree growth / E. M. Smith -- Treatments to control chlorosis of pin oak--interim report / E. M. Smith -- Street trees for urban plantings / P. C. Kozel and R. R. Chapin -- Planning for maintenance in the landscape design process / F. K. Buscher and J. D. Carpenter -- Cotoneasters in the landscape / E. M. Smith -- Flowering dogwoods in the landscape / T. A. Fretz and T. D. Sydner -- Malus-flowering crabapple / P. C. Kozel and T. Dugan -- American Holly / J. E. Ford -- Birches in the landscape / E. M. Smith -- Pine identification / P. C. Koze
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