1,720,953 research outputs found

    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

    Energy production with MİKROHES for pressure breakdown in isolated areas in water networks: The case of Konya

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    Yüksek Lisans TeziGünümüzde enerji ihtiyacının hızlı bir şeklide artması ve sera gazı emisyonlarının yükselmesi yenilenebilir enerjiye olan ilgiyi oldukça artırmıştır. Petrol, doğalgaz gibi yenilenemeyen enerji kaynaklarının azalması da yenilenebilir enerji sistemlerine dönüşümü gerektirmektedir. Hayatımızın olmazsa olmazı temiz içme suyudur. Küresel iklim değişikliği ile yağış düzensizlikleri ve kuraklık içme suyunda temin sorunları yaşatmaktadır. Mevcut durumda yerel yönetimlerdeki su idareleri içme suyu temin ve dağıtım sistemlerinde önemli derecede elektrik enerjisine ihtiyaç duymaktadır. İçme suyu temin ve dağıtım şebekelerinde mevcut işletmede bulunan fazla basıncın düzenlenmesi, basınç kırıcı vana veya maslak yapıları ile yapılmaktadır. Şehir şebekesinde oluşturulan basınç yönetim alanları (BYA) ve bölgesel ölçüm alanları (BÖA) ile izole bölgelerdeki fazla basınç kontrol altına alınmaktadır. Bu bölgelerde kullanılan basınç kırıcı vanalar ile ciddi oranda bir kinetik enerji kaybolmaktadır. Bu tez çalışması ile Konya İli merkez içme suyu şebekesinde izole bölgelerde bulunan basıncın mikro hidroelektrik santralleri (MİKROHES) kurularak hem basınç düşürme hem de elektrik enerjisi üretme potansiyeli incelenmiştir. İnsan hayatının yaşamı için içme suyunun vazgeçilmez olması durumu göz önüne alındığında, sürekli bir akış ve enerji üretme potansiyeli olan şehir şebeke hatlarındaki kaybolan enerjinin geri kazanımı, yenilenebilir enerji sistemleri içerisinde en verimli sürdürülebilir sistemdir. Çalışma kapsamında şehir şebekesinde bulunan 61 adet izole bölgede nüfus, debi, basınç hesapları hidrolik modelleme ile yapılmış ve mevcut SCADA verileri ile karşılaştırılmıştır. Her bölge için ayrı ayrı hız, debi, basınç, basınç fazlası geri kazanılabilir enerjiler hesaplanmış ardından her bir bölgeye kurulabilecek MİKROHES türü belirlenmiştir. Debi, düşü ve enerjiye göre, Pelton ve Banki türbinleri seçilmiştir. Sonuç olarak; Konya ili şehir şebekesinde bulunan 61 adet izole bölgede yapılan çalışmaya göre kurulacak olan MİKROHES sistemleri ile 1,41 MW elektrik enerjisi üretilebileceği hesaplanmıştır. MİKROHES sistemlerinin kurulumu ile şebekedeki basınçlar yönetmelik maddelerine göre 3 bar seviyelerine düşürülmüş ve kaybolan enerji geri kazanılmıştır. Kurulan tesislerin yıllık getirisi 38,36 milyon TL ve kurulum maliyetleri 67,11 milyon TL olup geri ödeme süresi 1,75 yıl olarak hesaplanmıştır. Çıkan sonuca göre yenilenebilir enerji sistemleri arasında geri ödeme süresi en hızlı olan sistemler olarak öne çıkmıştır.Today, the rapid increase in energy demand and the increase in greenhouse gas emissions have greatly increased the interest in renewable energy. As a result of the decrease in the sources of nonrenewable energy such as oil and natural gas, the transformation to renewable energy systems is of great importance. The fact that the energy source is not continuous in solar and wind energy systems due to their installation cannot ensure sustainability in energy production. Clean drinking water is indispensable for our lives. Global climate change, precipitation irregularities and droughts cause problems in the supply of drinking water. In the current situation, water administrations in local governments need significant electrical energy in drinking water supply and distribution systems. The regulation of excess pressure in the existing operation in drinking water supply and distribution networks is carried out with pressure breaker valves or mast structures. Excess pressure in isolated regions is brought under control with pressure management areas (BYA) and regional measurement areas (BÖA) created in the city network. A significant amount of kinetic energy is lost with the pressure breaker valves used in these regions. In this thesis study, the potential of both pressure reduction and electrical energy generation by establishing micro hydroelectric power plants (MICROHES) in isolated regions of Konya city central drinking water network was investigated. Considering the indispensability of drinking water for human life, the recovery of lost energy in city network lines with a continuous flow and energy generation potential is the most efficient sustainable system among renewable energy systems. First, population, flow rate, pressure calculations in 61 isolated regions in the city network were made with hydraulic modeling and compared with the current SCADA data. Separate speed, flow rate, pressure, pressure excess recoverable energies were calculated for each region, then the MICROHES type that could be installed in each region was determined. Pelton and Banki turbines were selected according to the flow rate, head and produced energy conditions. As a result, it was calculated that 1.41 MW electrical energy could be generated with the MICROHES systems to be installed according to the study conducted in 61 isolated regions in Konya city network. With the installation of MICROHES systems, the pressures in the network were reduced to 3 bar levels according to the regulation articles and the lost energy was recovered. The annual return of the established facilities is 38.36 million TL, and the installation costs are 67.11 million TL, and the payback period is calculated as 1.75 years. According to the results, it stands out as the system with the fastest payback period among renewable energy systems

    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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    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

    Author Under Sail The Imagination of Jack London, 1893-1902

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    In 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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