1,720,976 research outputs found

    Het molensterven in Nederland. Verantwoordingsdocument vormgeving databestand

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    Dit document betreft een verantwoording van het wind- en watermolenbestand dat is gebruikt voor: J. Bazelmans (2023). Het molensterven in Nederland: een kwantitatieve en geografische benadering, Tijdschrift voor historische geografie 8 (3). In dit artikel wordt een beeld gegeven van de kwantitatieve ontwikkeling van wind- en watermolens in Nederland (naar functie, type en regio) tussen 1850 en 2020

    DE FRIEZENNAAM EN HET LAATROMEINSE BEWONINGSHIAAT IN HET NOORDELIJK KUSTGEBIED

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    New archaeological and toponymical evidence forces us to reconsider the continued use from the Roman period into the early Middle Ages of the tribal name of the Frisians: in the fourth and early fifth centuries, the population of Frisia was at an all-time low or even non-exis­tent. The author points to the fact that the Frisians are not mentioned in historical sources for more than three hundred years. This has not bothered earlier researchers because they thought the continued use of the Frisian name proved that the Frisians outlived the Dark Ages and held on to their essential values as a tribe. However, the author advances the possibility that the Franks should be held responsible for the reintroduction in the late sixth or seventh century of the name af the Frisian gens. They used a name familiar to them and to early and late classical sources to describe a situation which had become etnically confused during the fourth and fifth centuries.&nbsp

    Hé Sjoerd

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    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

    Bij het universiteitsportret van Tjalling Waterbolk

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    An introduction to the portret of Tjalling Waterbolk. This contribution describes the distinguished academic career of Tjalling Waterbolk. He was recently commemorated for his scientific contributions during a ceremony where the official unveiling of his portrait took place. Waterbolk’s scientific oeuvre is based on the interconnection of two themes. The first theme is nature and landscape, which originated in his rural upbringing and love of nature. The second theme is archaeology and landscape, which resulted from his training as archaeologist at the Biological-Archaeological Institute

    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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