1,721,024 research outputs found

    L'esclusione nel mercato del lavoro

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    Mercato del Lavoro ed esclusione sociale in Emilia-Romagn

    Le forme di lavoro atipico in Emilia-Romagna

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    Rapporto: Economia e Lavoro in Emilia Romagna a cura dell'Agenzia Emilia-Romagna Lavor

    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

    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

    Lung cancer in subjects suffering from silicosis in the Province of Genoa from 1979 to 2004

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    ABSTRACT. The Authors, after a survey of the latest experimental and epidemiological studies concerning the possible role of crystalline silica in lung carcinogenicity, examine the cases acknowledged by the INAIL in Genoa concerning subjects suffering from silicosis who, thereafter, developed a lung cancer in the period 1979 - 2004. Distribution of the degree of disability, of the length of occupational exposure to silica, of the workers’ age at the time of death and of the different fields of activity have been tested; smoking habits and histological classification of the neoplasms have also been assessed, when available. Our data seem to agree with the point of view of the Authors who so far have expressed perplexities about the role played by silica in lung carcinogenesis, especially if associated with the exposure to powerful carcinogenic agents such as cigarette smoke. At present we share the opinion of those who think that a final regulation should be delayed up to the time when it will be possible to identify the occupational source of silica with such characteristic as to make it actually carcinogenic
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