1,721,044 research outputs found

    Factors influencing vaccine uptake in Italy

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    In Italy, vaccination of children is regulated by a dual system, that is a certain number of compulsory immunisations, and a number of other facultative vaccinations. This has resulted in a different coverage against infections under the two regimens. While the percentage of immunised children against polio, diphtheria, tetanus and hepatitis B is around 95%, until recently the average coverage with facultative vaccinations was no >50%. Coverage against pertussis has dramatically increased in recent times thanks to the advent of acellular and combined vaccines. Regional programmes that aim to increase coverage against measles, mumps and rubella are presently underway. In order to verify the attitude of mothers towards vaccination, a questionnaire-based study was proposed to women taking their children to vaccination services for mandatory immunisation. The preliminary results on 300 questionnaires show a generally favourable attitude towards vaccines of 80% of mothers. Only 7% of them would not immunise at all their children if vaccinations were not mandatory. Measles and mumps vaccines are considered important by 92% of mothers. However, a high number of both parents and paediatricians still give disproportionate importance to mild intercurrent diseases as a reason to differ immunisation. In the middle-long term, it is likely that Italy will shift to a system of recommended immunisations without compulsion. Before this happens, wide and in-depth campaigns on the benefits of vaccination need to be planned and implemented by central and local health authorities, in order to avoid the risk of a dramatic drop of coverage

    I problemi delle aziende agricole e le proposte dei produttori - il caso di un campione di aziende orientate al mercato della provincia di Macerata

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    Linee generali per contribuire alla definizione del Programma Pluriennale Provinciale (PPP) di Macerata 2006-2007, http://www.pianopluriennale.provincia.mc.it

    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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