1,720,975 research outputs found

    La gestione dell’animale nell’Alto Medioevo. Ricerche multidisciplinari e nuove prospettive per l’Italia Settentrionale e l’Alto Adriatico.

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    This research analyzes some faunal samples, dating back to between the 5th and 11th centuries AD, found in stratigraphic excavations in Northern Italy and the North Adriatic Sea. Through zooarchaeological and stable isotope analysis and in consideration of the archaeological context of the origin of the materials, this research investigates the management of the animals in the early postclassic period, an era of important economic, social, and climatic changes. Animal bones from archaeological excavations in three provinces of Northern Italy (Torba, VA- VI-Late VIII century AD; Romano di Lombardia, BG - Early Middle Ages; Ca' Vendramin Calergi, VE - VII-XI century AD.) and one from the North Adriatic area (Rab, Croatia - Late 5th-8th century AD) were analyzed. The data obtained were compared with those of eighteen other sites, the result of a census of the main publications. The objective of this project is to understand the differences and similarities in the exploitation and consumption of animals between the Lombard and Byzantine cultures. Furthermore, considering the discrepancies found between written sources and archaeological data, the topic of meat consumption in the Early Middle Ages was explored in depth through zooarchaeological analysis and new stable isotope analyses (δ13C e δ15N). Finally, during the research period, the role of hunting, fishing, and fishing technologies in general in different types of settlements was investigated, obtaining information on the exploitation of the territory from an economic and social point of view. It emerged that, even though the faunas are composed of the same taxa, there were some differences in the methods of animal exploitation between the Lombard and Byzantine economies if the results are observed based on the type of settlement (urban, fortified, and rural sites). Although stable isotope analyses did in some cases confirm what is indicated in ancient sources regarding the presumed increase in meat consumption by barbarian populations during the Early Middle Ages, often are not reflected in zooarchaeological studies

    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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