1,721,126 research outputs found

    sj-docx-1-ine-10.1177_15910199231201520 - Supplemental material for Morphological characteristics of brain aneurysms among age groups

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    Supplemental material, sj-docx-1-ine-10.1177_15910199231201520 for Morphological characteristics of brain aneurysms among age groups by Sebastian Sanchez, Muhammed Amir Essibayi, Meredith Hickerson, Diego J Ojeda, Sami Al Kasab, Shinichi Yoshimura, Pascal M. Jabbour, Justin Mascitelli, Michael R. Levitt, Hugo H. Cuellar-Saenz, Waleed Brinjikji, Alejandro M. Spiotta, Amir Shaban and Edgar A Samaniego in Interventional Neuroradiology</p

    Supplemental material for Distribution and current problems of acute endovascular therapy for large artery occlusion from a two-year national survey in Japan

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    Supplemental Material for Distribution and current problems of acute endovascular therapy for large artery occlusion from a two-year national survey in Japan by Toshinori Takagi, Shinichi Yoshimura, Nobuyuki Sakai, Koji Iihara, Hidenori Oishi, Masaru Hirohata, Yuji Matsumaru, Yasushi Matsumoto, Hiroshi Yamagami, Bijoy K Menon, Mohammed Almekhlafi, Jessalyn K Holodinsky, Noreen Kamal, Michael D Hill and Mayank Goyal in International Journal of Stroke</p

    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

    sj-docx-1-ine-10.1177_15910199231196451 - Supplemental material for The effect of occlusion location and technique in mechanical thrombectomy for minor stroke

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    Supplemental material, sj-docx-1-ine-10.1177_15910199231196451 for The effect of occlusion location and technique in mechanical thrombectomy for minor stroke by Isaac Josh Abecassis, Eyad Almallouhi, Reda M. Chalhoub, Ahmed Helal, Janki R. Naidugari, Sami Al Kasab, Eric Bass, Dale Ding, Vasu Saini, Joshua D. Burks, Ilko L. Maier, Pascal Jabbour, Joon-Tae Kim, Stacey Wolfe, Ansaar Rai, Marios-Nikos Psychogios, Edgar Samaniego, Adam S. Arthur, Shinichi Yoshimura, Brian Howard, Ali Alawieh, Isabel Fragata, Hugo Cuellar, Adam Polifka, Justin Mascitelli, Joshua Osbun, Roberto Crosa, Charles Matouk, Min S. Park, Michael R. Levitt, Travis Dumont, Richard W. Williamson, Alejandro M. Spiotta and Robert M. Starke in Interventional Neuroradiology</p

    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

    Author Index

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