1,720,964 research outputs found
Biocompatibilità dei Materiali: ultimi progressi nelle applicazioni biomedicali, loro progettazione e verifica.
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A one year "training on the job" advanced course on telemedicine open to both technical and clinical graduates
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Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe 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
Full text link“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
Full text linkWe 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
Nuove norme armonizzate per grandi installazioni di apparecchiature elettromedicali. Analisi e studio di due casi reali presso primaria struttura ospedaliera nel settore neurologico
No full textLAUREA SPECIALISTICAEfficacia ed efficienza delle nuove edizioni delle norme per grandi installazioni di apparati biomedicali è stata constatata seguendo i lavori di installazione, verifiche di sicurezza e collaudo di una Risonanza Magnetica da 3T e di un Cyberknife presso una struttura ospedaliera neurologica di Milano.Effectiveness and efficiency of the new editions of the standards for large installations of biomedical devices has been found following the work of installation, safety checks and testing of an MRI and a 3T by Cyberknife at a neurological hospital in Milan
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