1,721,039 research outputs found

    Abitare in città. La Cisalpina tra impero e medioevo - Leben in der Stadt. Oberitalien zwischen römischer Kaiserzeit und Mittelalter

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    Atti del Congresso internazionale tenutosi a Roma - Istituto Archeologico Germanico, il 4-5/11/1999, su Edilizia abitativa urbana e organizzazione della città nell'Italia settentrionale. Caratteri e trasformazioni tra età imperiale e tarda antichità (III-VI sec.)

    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

    Aegyptiaca in Central Tyrrhenian Italy: sea routes, traders and ideas

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    Even though Aegyptiaca have been sometimes underestimated in the past, nowadays they are considered one of the hallmarks of the relationship between the Etruscan and Italic people and the rest of the Mediterranean at the beginning of the Italian Iron Age. Starting from the most recent studies, this brief synthesis aims to provide an updated synopsis on several aspects linked to these items. In particular it will focus firstly on defining the main areas of production (Egypt, Levant and the Aegean), then on tracing the possible sea-routes and the people involved in the circulation process. The second part of the communication will outline the situation of Etruria, Latium and Campania, where Aegyptian and Aegyptianizing objects are mainly concentrated between the 8th and the 7th century BC, also considering the reception (and the possible re-elaboration) of foreign cultural and religious values and the common and different trends among the indigenous communities

    The afterlife of stones after the disruption of Roman tombs in late Antiquity and Middle Ages. A selection of case studies from the regio Venetia et Histria

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    The aim of this extended abstract consists in investigating three case studies of reused funerary monuments from Venice and its lagoon that show evident traces of reworking

    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

    Dispelling the Myths Behind First-author Citation Counts

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    We conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more sophisticated methods

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