3,465,654 research outputs found

    Interferometer signal detection system for the VIRGO experiment

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    VIRGO is a laser interferometer aiming at the first detection of gravitational waves emitted by astrophysical sources. The signal detection system consists of all the output optics and the electronics necessary for the measurement of the interferometer output signal. An output mode cleaner has been developed in this context. The system has been installed at the detector site and is now being used for the central interferometer, the first step in the construction of VIRGO. The first results obtained so far are presented

    Withdrawn by Author

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    <p>Withdrawn by Author </p&gt

    [Handwritten list of names by an unknown author #1]

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    Handwritten note by an unknown author, listing various names

    The ethical and moral-based dimension of leadership in CSR-oriented strategies and sustainable entrepreneurship

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    This chapter addresses the theme of leadership and its influence on corporate social responsibility (CSR) and sustainability-oriented strategies. Specifically, it aims to analyse, through a deductive and literature-based approach, the relevance of the ethical and moral leadership models with respect to the diffusion of CSR and sustainable entrepreneurship. Linking ethical and moral-based leadership to the CSR and sustainable entrepreneurship discourse allows us to point out the relevance of an authentic orientation in supporting change and fostering sustainable entrepreneurship The theoretical construct of responsible and sustainable leadership derives from the intersection of the moral-based leadership concepts with those of CSR and sustainable entrepreneurship..Drawing from these premises, this chapter seeks to identify leadership models and attributes consistent with (and necessary to develop) an authentic CSR-oriented strategy and able to foster sustainable entrepreneurship. Accordingly, in this chapter, we argue that leadership represents a key aspect that warrants more research within both CSR and sustainable entrepreneurship studies. The research questions that orients this study can be summarised as follows: Which leadership models favour authentic CSR practices? Are moral, ethical-based and virtues-based models of leadership effective in developing CSR and fostering sustainable entrepreneurship? These questions guide the critical review of the different leadership approaches, bringing attention to the models that are most coherent in regard to the actual socio-economic context which requires managers and entrepreneurs to govern the internal and external complexity and actively contribute to sustainability. The methodological approach is mainly based on a literature review that surveys critical points in current literature that is relevant to the topic. The work is structured as follows. First, we offer an analysis of the leadership theoretical framework in the context of the CSR debate. We begin with a brief methodological note, followed by an analysis of the antecedents of CSR and sustainable entrepreneurship in terms of values and virtues. Second, a review of relevant literature on leadership approaches and models consistent with the CSR and sustainable entrepreneurship discourse is presented, emphasising the relationship between transformational, moral and virtues-based leadership and CSR-oriented strategies and sustainable entrepreneurship. Drawing from the analysis, four main propositions are introduced. The final sections illustrate the propositions and summarise the implications and limitations of the study

    Variations on the Author

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    “Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship

    Appropriate Similarity Measures for Author Cocitation Analysis

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    We provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis

    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

    [Report to Chief J. E. Curry, by an unknown author #1]

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    Report to Chief J. E. Curry, by an unknown author. The report contains a list of officers who gave depositions to the United States Attorney

    [Report to Chief J. E. Curry, by an unknown author #2]

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    Report to Chief J. E. Curry, by an unknown author. The report contains a list of officers who gave depositions to the United States Attorney

    Author Co-Citation Analysis (ACA): a powerful tool for representing implicit knowledge of scholar knowledge workers

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    In the last decade, knowledge has emerged as one of the most important and valuable organizational assets. Gradually this importance caused to emergence of new discipline entitled ―knowledge management‖. However one of the major challenges of knowledge management is conversion implicit or tacit knowledge to explicit knowledge. Thus Making knowledge visible so that it can be better accessed, discussed, valued or generally managed is a long-standing objective in knowledge management. Accordingly in this paper author co- citation analysis (ACA) will be proposed as an efficient technique of knowledge visualization in academia (Scholar knowledge workers)
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