1,720,955 research outputs found
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe 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
Get PDF“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
Get PDFWe 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
Get PDFWe 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
Effects of Eschericia coli physiology on latent period and burst size of bacteriophage T4
Get PDFBakteriofagi so virusi, ki se brez bakterij ne morejo razmnoževati. Ravno zaradi te lastnosti so v zadnjem času, ko se število odpornih bakterij na antibiotike zvišuje, ponovno postali zanimivi, saj jih lahko uporabljamo kot zdravilo za zdravljenje bakterijskih infekcij. Študije interakcij med bakterijami in fagi so zato ključnega pomena. Pri eksperimentalnem delu smo v prvem delu s šaržnim gojenjem okarakterizirali rast bakterije Escherichia coli K-12 v kompleksnem gojišču LB. V nadaljevanju smo bakterijsko kulturo gojili v kemostatu, kjer smo lahko natančno uravnavali hitrost rasti in s tem fiziološko stanje bakterije. Pri šestih različnih hitrostih redčenja (0,24-0,98h-1) smo določili razmerje med celokupno RNA in celokupnimi proteini. Rezultati so pokazali, da se razmerje linearno povečuje s povečevanjem hitrosti redčenja. Želeli smo tudi določiti morebitne razlike v velikosti bakterijskih celic med različnimi hitrostmi redčenja, vendar je bila ločljivost svetlobnega mikroskopa premajhna. V drugem delu pa smo določili vpliv fiziološkega stanja bakterijske kulture na rastne parametre faga T4. Bakterije smo pobili s kloroformom, koncentracijo fagov pa smo določili z metodo štetja plakov. Prvi rastni parameter faga, ki smo ga določali, je bila adsorbcijska konstanta. Rezultati so pokazali, da se adsorbcijska konstanta z višanjem hitrosti redčenja zmanjšuje. Latentno periodo in pomnožitveno število fagov smo določili pri poskusu enostopenjske rasti. Latentna perioda se je od najmanjše do najvišje hitrosti redčenja skrajšala za skoraj polovico (od 43 min do 25 min). Po drugi strani pa se je pomnožitveno število fagov pri enakih pogojih zvišalo iz 21 PFU/bakterijo na 57 PFU/bakterijo, kar je skoraj trikrat več kot pri najnižji hitrosti rasti.Bacteriophages are viruses that can\u27t reproduce without the presence of bacteria. In light of the recent increase in antibiotic resistant bacteria they\u27re resurfacing in contemporary research due to their potential as an effective alternative to antibiotic treatments. To achieve this goal it is crucial to research the interactions between bacteria and phages. In the first stage of experimental work we characterised the growth of bacteria Escherichia coli K-12 in complex LB medium as a batch culture. In the next stage we cultivated the bacteria in chemostat, where we were able to precisely regulate growth rate and therefore the physiology of the bacteria. RNA/protein ratio was determined at six different dilution rates (0,24-0,98h-1). From the results it is evident that the ratio is linearly increasing with the increase of dilution rate. We also wanted to determine changes in cell size at different dilution rates but due to the low resolution of the light microscope we were unable to do so. In the second stage we determined if the growth parametres of phage T4 are effected by changes in bacterial physiology. Phage titer was determined by plaque assay method. The first phage growth parameter that we determined was the phage adsorption. Results show that with increasing dilution rate the adsorption constant is decreasing. Latent period and burst size was determined with the one-step growth experiment. Latent period dropped by almost half from the lowest to the highest dilution rate from 43 min to 25 min. On the other hand the burst size increased almost threefold from the lowest to the highest dilution rate from 21 PFU/bacterium to 57 PFU/bacterium
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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