1,720,963 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
Bond behavior of externally bonded carbon fiber reinforced plastics to concrete subjected to cyclic loads
Full text linkDas Verbundverhalten aufgeklebter Bewehrung unter zyklischer Beanspruchung hat einen wesentlichen Einfluss auf die Verformungen und die Tragfähigkeit verstärkter Betonbauteile. Der Schädigungsprozess des CFK-Lamellenverbundes auf Beton wird unter nicht ruhender Beanspruchung bei mehr als zwei Millionen Lastwechselzahlen bei variierenden Ober- und Unterlasten in Dauerschwingversuchen untersucht. Anhand von Dehnungs- und Verschiebungsmessungen werden vorhandene Modellvorstellungen zur Rissbildung an der Betonoberfläche teilweise bestätigt und in Bezug auf den Einfluss der Unterlast erweitert. Die Vorgehensweise der Versuchsdurchführung und -auswertung zeigt eine Möglichkeit auf mit wenigen Versuchen die notwendigen Parameter für das Bemessungskonzept zu identifizieren. Darüber hinaus wird ein Ansatz zur Berücksichtigung des unterschiedlichen Verbundverhaltens von einbetonierter und aufgeklebter Bewehrung bei schwingender Beanspruchung formuliert. Es wurden Dauerschwingversuche an Zug-Druckkörpern mit einer Verbundlänge von 1100 mm unter mehr als zwei Millionen Lastwechseln durchgeführt. Dabei wurden drei unterschiedliche Betonfestigkeitsklassen und zwei unterschiedliche Typen geklebter Bewehrung aus Kohlefaserkunststoffen berücksichtigt. Anhand der Versuchsergebnisse konnte ein Modell entwickelt werden, welches es ermöglicht die Schädigung des Lamellenverbundes in Abhängigkeit der Unterlast und der Lastspielzahl zu beschreiben. Mit dem Modell lässt sich aus der zu erreichenden Lastspielzahl und dem Unterlastniveau die Schwingbreite der Lamellenkräfte bestimmen, die zu einer bestimmten entkoppelten Länge der Lamelle führt. Die entwickelten Formeln und Modellvorstellungen beinhalten ebenfalls die Möglichkeit, die Rissfortschrittrate oder die erreichbare Lastspielzahl in Abhängigkeit der entkoppelten Länge und der Ober- und Unterlast zu bestimmen. Die vorliegende Arbeit beinhaltet die Entwicklung eines Modells für den Klebeverbund von Faserkunststoffen auf Beton unter schwingender Beanspruchung, einen für die Praxis anwendbaren Bemessungsansatz und die versuchstechnische Erkundung der für das Modell und den Bemessungsansatz notwendigen Parameter.The damaging process in the stress transfer zone of externally bonded reinforcement under cyclic loads has a major effect on deformation and the load bearing capacity of strengthened concrete structures. The influence of fatigue loading on the bond of fiber reinforced polymers (FRP) to concrete is studied in experimental tests with more than two million load cycles under varying load conditions. By means of strain and displacement measurements existing models for crack formation in the bonded zone are verified and extended for the understanding of the influence of the lower load level. On the basis of the new combined and extended model a simple design concept for fatigue loading is developed for the bond analysis at the end anchorage and between cracks of strengthened concrete structures. The testing procedure and the test analysis method identifies all necessary parameters for the design concept within a small number of tests. Furthermore an approach for considering the different bond behavior of externally bonded reinforcement and interior steel rebar on the distribution of forces is given. Near end supported double shear tests with externally bonded FRP reinforcement and a bonded length of 1.100 mm are carried out with more than two million load cycles. Three different concrete strength classes and two types of FRP reinforcement are considered. On the basis of the test results a model for the damaging process of the FRP to concrete bond under cyclic loading is developed, depending on the number of load cycles and the upper and the lower load level. With the equation for the S-N curve the load range, which is needed for the reach of a certain decoupled length, can be calculated from the number of load cycles and the lower load level. With the transposed equation the fatigue crack growth per load cycle and the number of load cycles, until a certain decoupled length is reached, is predictable. This work contains the development of a model for the FRP to concrete bond behavior under cyclic loading, a practicable design concept and the experimental determination of the parameters for the model and the design concept
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
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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