1,720,953 research outputs found
Development of a model towards the improvement of building energy performance in South African public universities using solar photovoltaics
Get PDFThesis (Doctor:Engineering: Civil Engineering)--Central University of TechnologyBuildings perform various important functions in society and their construction and maintenance have evolved over the years. The call to construct sustainable buildings has made individuals and organisations more aware that they cannot continue on the old trajectory and expect better results. Globally, universities have several buildings which need energy to operate and because the consumption of energy from non-renewable sources contributes significantly to carbon emissions, there is presently the need to construct and retrofit buildings to consume less energy and generate renewable energy on-site to reduce carbon emission. In South Africa, solar photovoltaics (PVs) are the most deployed renewable energy technology. Therefore, to partly advance the sustainability of buildings in South African public universities in terms of renewable energy development, the deployment of PV is the ideal choice. However, deployment is not yet at the desired level at public universities in South Africa to contribute significantly to the change that is needed. From empirical evidence, little is known about the progress that universities have made in installing PVs, and the factors that engender and hinder deployment. Therefore, this study was undertaken to investigate the phenomenon and develop a model to advance the sustainability of buildings through the deployment of PVs in public universities in South Africa. Accordingly, the specific research objectives were to: (1) ascertain the progress made in installing PVs on public campuses, (2) identify and evaluate the drivers for deployment, (3) identify and evaluate the barriers to deployment, (4) evaluate the influence of the drivers and barriers on deployment, and (5) develop a model to advance building sustainability. A sequential exploratory mixed methods research design was adopted for the study. Firstly, regarding the progress in deployment, it was observed that the minimum total capacity of installed solar electricity generation was 6 MW, and the systems were either purchased outright or procured through power purchase agreements. It was also found that most universities were engaging third-parties to design, install and service the systems. The systems were mounted on rooftops, on the ground (in open spaces), and on high poles with tracking devices. Secondly, the results highlighted that a total of 18 drivers engender the deployment of PVs in the sector. The top five drivers identified were: the reduction of the energy costs of the university, reduction of energy-related greenhouse gases, enhancement of university sustainability performance, contribution to the attainment of the sustainable development goals, and potential use for research opportunities for students and staff. Thirdly, based on the results, the conclusion was that a total of 12 barriers hamper deployment. Some of the barriers included the lack of financial resources, lack of green building targets, lack of clear policy direction, lack of government incentives, and lack of demand from government project financiers. Fourthly, the results of the partial least squares structural equation modeling analysis established that ‘direct benefits’ have a statistically significant positive influence on deployment, and ‘government-related barriers’ have a statistically significant negative influence on deployment. Lastly, based on all the findings, a Photovoltaics Deployment Acceleration Model was proposed, which provided insight into actions that should be taken to reinforce the drivers and eliminate the barriers to the use of PV energy in public universities. The study contributed to theory by bridging the literature gap by providing empirical evidence on campus sustainability from an African perspective. The findings have practical implications as they offer insight into how university stakeholders can boost deployment. At the policy level, the study provided information on the contribution that public universities in South Africa have made to Sustainable Development Goal 7, and evidence that can help policy-makers to develop relevant policies and renewable energy-related development targets for the sec
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
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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