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    The Attribution of an Arabic Commentary on Naṣīr al-Dīn al-Ṭusī’s Taḥrīr al-Majistī to Shams al-Dīn al-Samarqandī

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    In this paper, I thoroughly examine the anonymous commentary found in Theology Library (Tehran University) MS 678 on Tūsī’s Tahrīr al-Majistī, which the copyist attributed to Samarqandī in the colophon. I compare its contents and some references to Samarqandī’s Sharh Tahrīr al-Majistī, including a bibliographical note in Hājjī Khalīfa’s Kashf al- ̄unūn, an owner’s note on the front page of Carullah MS 1485 (a manuscript of Nīsābūrī’s Sharh Tahrīr al-Majistī), and Nīsābūrī’s own marginal note recording the name Samarqandī in the autograph of his Sharh Tahrīr al-Majistī. In this way, I establish Faculty of Theology Library MS 678 to be a manuscript of Samarqandī’s Sharh Tahrīr al-Majistī. This identification in turn reveals that Nīsābūrī, in his Sharh Tahrīr al-Majistī, called Samarqandī “an eminent scholar” and quoted Samarqandī’s Sharh Tahrīr al-Majistī several times. Therefore, one can conclude Samarqandī’s Sharh Tahrīr al-Majistī has been very influential on Nīsābūrī when he composed his Sharh Tahrīr al-Majistī

    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

    Too Many Arabic Treatises on the Operation of the Astrolabe in the Medieval Islamic World: Athīr Al-Dīn Al-Abharī’s Treatise on Knowing the Astrolabe and His Editorial Method

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    Abstract In the medieval Islamic world, many scholars engaged in astronomy composed books on astrolabe, especially treatises on how to operate it (called “Treatises on the Operation of the Astrolabe”) such as Book of the Astrolabe (Kitāb al‐Asṭurlāb) by Kūshyār ibn Labbān (fl. second half of the tenth century ce); however, most of them had similar contents. One might ask why these scholars sought to write their own treatises of this kind, even though they differed little from existing works on the subject? To answer this question, I compare Kūshyār’s Book of the Astrolabe (Kitāb al‐Asṭurlāb) and Athīr al‐Dīn al‐Abharī’s (d. 1262 or 1265) Treatise on Knowing the Astrolabe (Risāla fī maʿrifat al-Asṭurlāb), which was written under the strong influence of Kūshyār’s Book: a comparison between them reveals that they presupposed the use of their own astrolabes. This analysis shows that many Arabic treatises on the operation of the astrolabe had their novelty at least guaranteed by the uniqueness of a specific astrolabe presupposed by each author.</jats:p

    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

    Author Index

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    Saw Seminar Mathematical Practices in the context of the astral sciences, 21st February 2014

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    Saw Seminar Mathematical practices in the context of the astral sciences 21st February 2014, 9.30 am-5.30pm Université Paris Diderot Hermann Hunger (University of Vienna) Arithmetical methods applied to the daily motions of celestial bodies in Babylonian astronomy Rita Watson (The Hebrew University of Jerusalem & Research Associate, Institute for the Study of the Ancient World, New York University, ISAW, NYU) A Cognitive Perspective on a Babylonian Astronomical Text Taro Mimura (University ..

    koamabayili/VECTRON-author-checklist: VECTRON author checklist

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    We have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
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