1,721,047 research outputs found

    «Nemo felix nisi sapiens». La biblioteca dell'abate Prospero Petroni nel 1738

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    Nel Fondo De Gemmis della Biblioteca Metropolitana di Bari, tra le carte relative a Prospero Petroni (11 novembre 1716 - 14 febbraio 1783) e alla sua famiglia, si conservano due esemplari di un Index Bibliothecae Petroniana, contenenti rispettivamente 271 e 158 voci bibliografiche, nella forma di indice alfabetico. Il contributo mira a ricostruire la genesi di questo Index, a stabilire i rapporti tra i due esemplari in relazione alla biblioteca che l'abate, bibliofilo e bibliotecario, portò evidentemente con sé allorché si recò a Roma, tra il 1737 e il 1738

    Usefulness of a standardized method for collecting anamnestic data in multiple sclerosis (MS).

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    In order to improve the collection of historical data and the evaluation of the clinical course of the disease in MS patients, a standard questionnaire was structured using precise criteria for definition of the disease phase, type of course and symptoms, respectively. A preliminary validation resulted in significant inter- and intra-observer agreement on all collected historical data and definition of lesion localization. Such structured interviews, included in day-to-day clinical care as well as in computerized databases for MS, could improve the possibility of collecting data shareable between different studies and centers

    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
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