1,720,956 research outputs found
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe 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
Full text link“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
Full text linkWe 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
การเปลี่ยนแปลงของเนื้อเยื่อทางจุลพยาธิวิทยาในหอย Tarebia granifera (Lamarck, 1822) จากพื้นที่ปนเปื้อนโลหะหนัก (แคดเมียม) ที่ห้วยแม่ตาว จังหวัดตาก
No full textHistopathological Changes in Tissue of the Gastropod Tarebia granifera (Lamarck, 1822) from a Heavy Metal (Cadmium) Contaminated Area at Huai Mae Tao, Tak Province, Thailand
Sombat Singhakaew, Pinida Joradon, Ekgachai Jeratthitikul, Sirikanya Thanyakorn and Prayad Pokethitiyook
รับบทความ: 12 กุมภาพันธ์ 2564; แก้ไขบทความ: 20 กรกฎาคม 2565; ยอมรับตีพิมพ์: 27 สิงหาคม 2565; ตีพิมพ์ออนไลน์: 11 พฤศจิกายน 2565
บทคัดย่อ
ห้วยแม่ตาวเป็นลำน้ำขนาดเล็กที่เป็นสาขาของแม่น้ำเมย อยู่ในอำเภอแม่สอด จังหวัดตาก ของประเทศไทย ซึ่งพบการปนเปื้อนโลหะหนักแคดเมียมในแหล่งน้ำปริมาณสูงซึ่งเป็นผลพวงจากการทำเหมืองแร่สังกะสีในพื้นที่ต้นน้ำ การปนเปื้อนแคดเมียมในแหล่งน้ำผิวดินสูงเกินค่ามาตรฐานส่งผลกระทบต่อสัตว์น้ำ งานวิจัยนี้มีวัตถุประสงค์เพื่อศึกษาการเปลี่ยนแปลงทางจุลพยาธิวิทยาของเนื้อเยื่อในหอยเจดีย์ปุ่มยอดแหลม (Tarebia granifera Lamarck, 1822) ซึ่งเป็นสัตว์น้ำที่พบได้ทั่วไปในห้วยแม่ตาวและแม่น้ำเมย ในการศึกษานี้ได้เก็บตัวอย่างหอยจากพื้นที่ปนเปื้อนแคดเมียมและนำมาผ่านกระบวนการทางเนื้อเยื่อเพื่อศึกษาการเปลี่ยนแปลงที่เกิดขึ้นในเนื้อเยื่อจากอวัยวะต่าง ๆ โดยที่ตัวอย่างหอยที่เก็บจากแม่น้ำเมยถูกใช้เป็นกลุ่มอ้างอิง ผลการศึกษาแสดงให้เห็นว่าหอยตัวอย่างที่อาศัยอยู่ในพื้นที่ปนเปื้อนแคดเมียมมีการเปลี่ยนแปลงของเนื้อเยื่อในอวัยวะต่าง ๆ เช่น เส้นใยกล้ามเนื้อในเนื้อเยื่อแผ่นเท้าผิดปกติ การลดจำนวนของซีเลียที่บริเวณซี่เหงือก เซลล์เยื่อบุลำไส้รูปร่างผิดปกติและการขยายออกของท่อภายในต่อมย่อยอาหาร การศึกษาการเปลี่ยนแปลงของเนื้อเยื่อทางจุลพยาธิวิทยาของหอยเจดีย์ปุ่มยอดแหลมมีแนวโน้มสัมพันธ์กับพื้นที่ปนเปื้อนแคดเมียมและสามารถใช้เป็นตัวบ่งชี้ทางชีวภาพในแหล่งน้ำที่มีการปนเปื้อนแคดเมียมได้
คำสำคัญ: ห้วยแม่ตาว แม่น้ำเมย แคดเมียม หอยเจดีย์ปุ่มยอดแหลม (Tarebia granifera) ตัวบ่งชี้ทางชีวภาพ
Abstract
Huai Mae Tao is a small creek tributary of Moei River, located in Mae Sot District, Tak Province, Thailand. It was found that the creek has been contaminated with cadmium (Cd) caused by the zinc mine activity in the upstream area. The Cd was exceeded the maximum allowable concentration in surface water sources that could effect on aquatic animals in this area. The aim of this research was to study the histopathological changes in tissue of the gastropod, Tarebia granifera (Lamarck, 1822), which is the most abundant aquatic mollusk found in Huai Mae Tao and Moei River. The snails were randomly collected from the Cd contaminated area. Then, they were histologically processed for investigating the histological changes in their tissue in the laboratory. The snails collected from Moei River were served as a reference group. The results revealed that T. granifera in contaminated area had abnormally changed in tissues of various organs such as abnormal muscle fibers in foot tissue, reduction of the number of gill cilia, irregular shaped epithelial cells in intestine, and dilation of digestive gland tubules. From the histological results of this study, T. granifera might be used as a bioindicator for Cd contaminated surface water resource.
Keywords:Huai Mae Tao, Moei River, Cadmium, Tarebiagranifera, bioindicato
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe 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
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe 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
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
Author Under Sail The Imagination of Jack London, 1893-1902
No full textIn Author Under Sail, Jay Williams offers the first complete literary biography of Jack London as a professional writer engaged in the labor of writing. It examines the authorial imagination in London's work, the use of imagination in both his fiction and nonfiction, and the ways he defined imagination in the creative process in his business dealings with his publishers, editors, and agents. In this first volume of a two-volume biography, Williams traverses the years 1893 to 1902, from London's "Story of a Typhoon" to The People of the Abyss. The Jack London who emerges in the pages of Author Under Sail is a writer whose partnership with publishers, most notably his productive alliance with George Brett of Macmillan, was one of the most formative in American literary history. London pioneered many author models during the heyday of realism and naturalism, blurring the boundaries of these popular genres by focusing on absorption and theatricality and the representation of the seen and unseen. London created an impassioned, sincere, and extremely personal realism unlike that of other American writers of the time. Author Under Sail is a literary tour de force that reveals the full range of London as writer, creative citizen, and entrepreneur at the same time it sheds light on the maverick side of machine-age literature.Intro -- Title Page -- Copyright Page -- Dedication -- Contents -- Acknowledgments -- Introduction -- 1. Spirit Truth -- 2. From Absorption to Theatricality and Back Again -- 3. "I Will Build a New Present" -- 4. Sons as Authors -- 5. Fathers as Publishers -- 6. The Daughter as Author -- 7. Lovers as Authors -- 8. At Sea with the Family -- 9. Yellow News, Yellow Stories -- 10. The Return Home -- Notes -- Bibliography -- Index -- About Jay WilliamsIn Author Under Sail, Jay Williams offers the first complete literary biography of Jack London as a professional writer engaged in the labor of writing. It examines the authorial imagination in London's work, the use of imagination in both his fiction and nonfiction, and the ways he defined imagination in the creative process in his business dealings with his publishers, editors, and agents. In this first volume of a two-volume biography, Williams traverses the years 1893 to 1902, from London's "Story of a Typhoon" to The People of the Abyss. The Jack London who emerges in the pages of Author Under Sail is a writer whose partnership with publishers, most notably his productive alliance with George Brett of Macmillan, was one of the most formative in American literary history. London pioneered many author models during the heyday of realism and naturalism, blurring the boundaries of these popular genres by focusing on absorption and theatricality and the representation of the seen and unseen. London created an impassioned, sincere, and extremely personal realism unlike that of other American writers of the time. Author Under Sail is a literary tour de force that reveals the full range of London as writer, creative citizen, and entrepreneur at the same time it sheds light on the maverick side of machine-age literature.Description based on publisher supplied metadata and other sources.Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, YYYY. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries
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