1,722,421 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
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
Uncertainty in terrestrial laser scanning for measuring surface movements at a local scale
No full textTerrestrial laser scanning (TLS) is a remote sensing tool that can record a large amount of accurate topographical information with a fine spatial resolution over a short period of time. It has been used increasingly for measuring ground surfaces (i.e. topographical survey) and monitoring surface movements, such as those caused by landslides. However, the capability of this technique in these applications has not been fully explored in the literature, and thus forms the focus of this thesis. A quantitative study has been carried out to investigate the major error sources that affect the accuracy of digital elevation models (DEMs) derived from TLS survey data, and the magnitude of deformation that can be detected by repeated TLS surveys, at a local scale.In this research, vegetation-induced elevation errors in TLS measurements and the ways in which they can be minimised have been investigated experimentally. The presence of short vegetation was found to be a significant limiting factor for TLS surveys of terrain surfaces, with the average grass-induced elevation error being roughly 65% of the grass height. A finer resolution scan with a lower incidence angle (greater visibility) can effectively reduce vegetation error, as will scanning the same area from multiple scanner locations.The influence of measurement errors in source data points (or a point cloud) on a triangulated irregular network (TIN) with linear interpolation has been analysed. Based on the law of errorpropagation, an analytical solution was derived to calculate the error variance at any location within a TIN model, due to vertical and horizontal errors in source data points. For the special case of equal and independent error variances in source data points, the maximum, average and minimum values of propagated error variance within a TIN were found to be equal to unity, a half and a third respectively of the error variance in source data points.Errors in DEMs created from the TLS data points representing four terrain surfaces of different characteristics have been quantified using a statistical resampling method. The results show that terrain surface complexity can considerably affect the accuracy of DEMs. The effects of data point density (equivalent point spacing) on the DEM errors have also been analysed. For the data point spacings (35-100 mm) considered in the analyses, the DEM errors increased almost linearly with increasing data point spacing. The results also show that the DEM errors can be decomposed into two parts: a noise-related part and a data-density dependent part.Repeat TLS surveys of some fixed objects have been carried out, to seek to empirically quantify the georeferencing-induced positional errors involved in repeated TLS surveys. The results indicate that repeated TLS surveys can measure millimetric deformations of smooth surfaces if a high georeferencing accuracy is achieved. The DEM errors, along with the georeferencing-induced positional errors, were used to infer the minimum magnitude of movements that can be measured by multi-temporal TLS surveys of rough terrain surfaces. In the case of the Newbury cutting considered in this study, the minimum level of detection was approximately 20 mm (at a 95% confidence level) for the data point spacing of 35 mm.The findings in this research can aid in assessing the fitness of TLS surveys of terrain surfaces for a particular project, and thus are of use in the survey planning. The methods presented in this thesis can be applied to analyse errors in DEMs for making more meaningful interpretations of DEMs or surface variations derived from repeated TLS surveys.<br/
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
- …
