1,720,953 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
Exploring spatiotemporal variability in secondary production off the west coast of Vancouver Island using biochemical approaches
No full textZooplankton production in marine ecosystems refers to the rate at which zooplankton biomass increases through a combination of somatic and reproductive growth. Despite its importance in understanding the flow of energy to higher trophic levels, in situ measurements of zooplankton production rates in marine ecosystems remain rare. In recent decades, biochemical methods of estimating zooplankton production have become increasingly popular, though there still exist critical knowledge gaps as to how effective these methods are at estimating in situ growth and production rates. Addressing these knowledge gaps is necessary to lay the foundation for the future integration of routine secondary production rate measurements as part of synoptic oceanographic surveys.
Chapter 1 of this thesis introduces the global importance of zooplankton and reviews the methods currently used to assess zooplankton production rates. Specifically, two contemporary biochemical methods are discussed, as well as their advantages and limitations as compared to more traditional incubation methods. The first is the aminoacyl-tRNA synthetases (AARS) method, where the activity of in vivo AARS enzymes is utilized to derive a proxy measure of growth rate. The second is the chitobiase method, in which the rate of decay of dissolved chitobiase activity in water is used to estimate the growth and production rates of crustacean zooplankton assemblages. The chapter concludes with a description of the regional oceanographic setting in which these studies took place and outlines the primary objectives of this thesis.
Chapter 2 focuses on the AARS method of measuring secondary production rates. Here, the efficacy of this method for mixed zooplankton assemblages was assessed by comparing growth and production rate estimates to those predicted from two widely used empirical models. Samples collected from eight stations off the West Coast of Vancouver Island (WCVI) in September 2021 were used to measure total AARS and protein-specific AARS (spAARS) activities. Total AARS showed strong positive correlations with production rates predicted by both models, whereas correlations with spAARS were weaker. Spatial variation in AARS activity showed that higher production rates were observed in the inshore regions of the WCVI, and lower rates were observed offshore. These results indicated that in situ AARS-based production rates are temperature-dependent and show significant variation with total zooplankton biomass.
In Chapter 3, the chitobiase method of estimating secondary production rate was used to assess production rates in the waters off the WCVI in September 2022 and May 2023. Water samples were collected from the four distinct bioregions off the WCVI during each sampling period, along with zooplankton net samples for biomass and taxonomy analyses. The data gathered from these samples were used to better understand how production rates vary between regions with distinct oceanographic characteristics. Chitobiase biomass-production rate (BPR) and growth rate estimates (daily production to biomass ratio) varied with both season and region, though the trends in these rates did not align with trends in mixed-layer temperature and biomass. Higher chitobiase-based growth rates were observed in inshore regions during September 2022 and May 2023. Chitobiase BPR in September 2022 also followed this trend. Conversely, production rates in May 2023 were higher in the south, indicating a change in the regional drivers of production rate between seasons. The chitobiase-based growth and production rate estimates obtained during this study were also added to the growing time series of previous chitobiase measurements in this region and indicate that production rates have recovered since the low values measured following the 2014-2016 marine heatwave.
Chapter 4 of this thesis presents general conclusions on how the AARS method can be used in future studies, as well as the ecological and methodological challenges faced during this study. This thesis concludes with suggestions of how these methods can be utilized in the future to gain a greater understanding of in situ zooplankton community production rates.Graduat
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
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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