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    Tra esperienza e tradizione. La rappresentazione delle isole nella Relazione di Pigafetta

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    Il contributo indaga le differenti modalità attraverso cui vennero narrate le isole nella Relazione di Antonio Pigafetta, navigatore e scrittore che prese parte e tramandò ai posteri l’impresa guidata da Fernando Magellano nella circumnavigazione del globo terreste. Il marinaio vicentino, sempre in bilico tra l’esperienza e la tradizione, nel suo racconto rappresenta le isole in molteplici forme. Nel resoconto del viaggio le isole occupano sempre un ruolo di primo piano, assumendo valenza positiva o negativa in virtù degli scopi narrativi perseguiti di volta in volta dall’autore, mostrando una estrema elasticità simbolica, ricollegandosi ai più diffusi tòpoi letterali del tempo. L’isola diventa così il luogo dove vengono proiettate la bramosia e i desideri dei viaggiatori, carica di tutte quelle «meraviglie» tipiche della letteratura rinascimentale, ma, allo stesso tempo, può tramutarsi in un luogo infido, aggressivo e mostruoso, così insidioso da trasformarsi in una trappola mortale per Magellano stesso, caduto per essersi lasciato attrarre dal potere seduttivo e mortale delle isol

    Circolazione di saperi cartografici e reti intellettuali nell’Italia preunitaria. Evangelista Azzi, cartografo risorgimentale nella Parma di Maria Luigia

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    Evangelista Azzi (1793-1848) fu un topografo e cartografo militare parmigiano. Sebbene egli sia noto per aver disegnato le piante delle città di Parma (1829), Guastalla (1832) e Piacenza (1834), si registra una lacuna in merito agli studi sulla sua figura e sulle sue opere. Attraverso la ricostruzione del profilo biografico, infatti, è possibile rintracciare una ricca produzione cartografica e un’ampia rete di relazioni estesa su tutta l’Italia preunitaria. Parimenti, lo studio vuole aprire uno spiraglio su un contesto locale spesso offuscato da ambiti di maggiore spessore, ma che mette in evidenza come anche un Ducato relativamente piccolo come quello di Parma e Piacenza svolgesse un ruolo attivo nella circolazione di uomini e saperi cartografici, grazie all’azione di attori e officine cartografiche di rilievo.Evangelista Azzi (1793-1848) was a topographer and military cartographer from Parma. Although he is known for having drawn the plans of the cities of Parma (1829), Guastalla (1832) and Piacenza (1834), there is a gap in the studies about him and his works. Through the reconstruction of his biographical profile, it is possible to trace a rich cartographic production and a wide network of relations extended throughout pre-unification Italy. Similarly, the study seeks to open up a glimmer of insight into a local context that is often obscured by areas of greater fame, but which highlights how even a relatively small Duchy like that of Parma and Piacenza played an active role in the circulation of cartographers and cartographic knowledge, thanks to the action of important authors and cartographic workshops

    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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