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Osservazioni su quattro focolai di enterite paratubercolare in pecore della provincia di Bologna
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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
Modello di raccolta dati per la sorveglianza sanitaria degli allevamenti
No full textData on hygiene measures, structurel and management of 63 cattle herds from Emilia Romagna are presented and analyzed. The use of a special form for the the veterinary surveillance is discussed. Particular attention is given to the analysis of the methodological approach applied. By multivariate statistical methods were selected the herd characteristics associated with mastitis and respiratory diseases wich represent the main health problem
Relazioni tra fattori ambientali e sindromi respiratorie in vitelli durante lo svezzamento
No full textThe Authors studied the relationship between respiratory diseases and some chemical and physical climatic variables during two production cycles on 95 and 246 beef calves, respectively. Multivariate (Factor and discriminant analyses) and univariate (Pearson correlation coefficient) methods were used. The role of PI-3, IBR and BAV-3 viruses was investigated by analysis of the pattern of the antibody responsethroughout the periods of observation. IBR in the first cycle (10 July - 2 October) and all the three viruses in the second cycle (8 October - 2 January) seem to be responsible for the observed respiratory signs. The temperature in summer, the humidity in fall seem to be the most relevant risk factors of bovine respiratory diseases under the conditions of the present stud
Analysis of variabilitiy and antigenic peptides prediction of E2 BVDV glicoproteiniIn a Mucosal Diseases affected animal
No full textGenetic heterogeneity within the 5' untraslated genomic region and the coding E2 region of Bovine Viral Diarrhea virus (BVDV)
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