1,720,963 research outputs found
Cotton Fiber in Web of Science and Scopus: Mapping and Visualization of Research Topics and Publishing Patterns
No full textThis study wishes to assess publishing patterns in cotton research (Gossypium Spp.) with the methods of information science (bibliometrics, scientometrics, science mapping, visualization). Citation databases (information systems) Scopus, Web of Science (WOS) and Google Scholars are employed. Scopus Subject Areas and WOS Research Areas are summarized. Regarding countries, USA displays the highest counts of total records. In the last decade, the highest number of papers was published by authors from China. Visualizations (network and overlay) using program VOSviewer are conducted on WOS data in order to determine co-occurrence and clusters of connected publications, country input and author collaboration (co-authorship) as well as clusters of interrelated research topics (text data). Clustering of co-citing publications and text data (based on titles and abstracts) results in different well-defined clusters which show related research topics and average period of research. Visualizations conducted on large datasets (big data) offer exploratory information on the current state in a scientific field or discipline as well as indicate possible developments in the future
Valorization and Analysis of Flax Traits in Selected Accessions of Diversified Origin from the Linum usitatissimum L. Genetic Resources Collection
No full textGenetic resources of flax from different geographical regions have been gathered in Poland since the 1930s. The aim of the research was to evaluate morphological and agricultural traits of 20 flax accessions, to determine the ranges of variability, and to develop the results in the form required for International Flax Database (IFDB) development. Obtained data were statistically analyzed using ANOVA with post hoc tests (least significant differences), canonical correlations, and Mahalanobis distances. The results of the analysis (ANOVA) proved that five traits of flax varieties differ significantly: plant height, technical length, slenderness, 1000 seeds weight, and seed yield. The ranges of variability of flax genotypes: total plant length: 58.05 cm−92.8 cm; technical length: 44.7–78.6 cm; stem thickness: 1.42–2.18 mm; slenderness: 246–474; panicle length: 10.05–21.55 cm; number of panicle branches: 3.4–6.2; number of capsules per plant: 5.15–19.7; number of seeds in capsule: 6.24–7.86; 1000 seeds weight: 4.82 g − 7.72 g. The results of the investigation could provide an important step of initial material selection for breeding of new varieties as well as information for entrepreneurs and private consumers and by students and scientists for their research
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
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