1,721,026 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
Landslides, stratigraphy, and surficial geology of the Hydraulic map sheet (NTS 93A/12) British Columbia, Canada
No full textThe landslides, stratigraphy, and surficial geology of the Hydraulic map sheet (NTS 93A/12), located in the interior of British Columbia, were examined. The research centred on landslide processes within the upper Quesnel River valley. It consists of three major components, each conducted at a different scale.
At the smallest scale, surficial geological mapping was conducted at a scale of 1:50 000. Three hundred and twenty eight terrain polygons were identified, of which 32% were verified by fieldwork. Polygons containing morainal sediment as its primary surficial material make up 86% of the surficial area. Glaciofluvial and colluvial sediments, confined to the major valleys, are also important units. Glaciolacustrine sediment was rarely identified as the primary sediment but underlies all glaciofluvial terraces within the valleys. Bi-directional ice flow indicators show a strong northwest-southeast orientation while limited uni-directional data indicate flow to the northwest.
The medium scale part of the project was a stratigraphic assessment of sediment within the Quesnel and Cariboo River valleys and the description of landslide processes. Twenty four natural exposures were investigated, including nine landslides. Nine stratigraphic units were identified, of which only three are actively involved in modem landslide processes. Advance-phase glaciolacustrine sediment, of the Fraser Glaciation, hosts two styles of failure: I) long-lived, flow dominated failures that occur as a series of smaller events and 2) short-lived, rapid, slide dominated failures. A third style of landsliding was recognized within an upper clay unit and Fraser till. These landslides are short-lived, rapid events that are the most fluid-like failures found within the region.
The largest scale research was a detailed site investigation of a landslide using a variety of geophysical methods. Ground penetrating radar techniques offered detailed information on the upper 20 m of surficial material including the internal structure of individual units as well as the ability to image the surface of rupture and the surface of separation. Direct current electrical resistivity and seismic surveys yielded data on the geometries of the stratigraphic units to depths of 40 m and 80 m respectively. Direct current electrical resistivity was further able to image the surfaces of rupture and separation based on the juxtaposition of stratigraphic units. Through the integration of geophysical data with stratigraphy and digital terrain models a three-dimensional structural model of the landslide was created
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
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