1,721,074 research outputs found
Identifying Twitter user communities
No full textSlides presented by Rodrigo Costas at the 3:AM conference, 28th-29th September, 201
Discussing practical applications for altmetrics: social media profiles for African, European and North American publications
No full textStudy presented by Rodrigo Costas at the 3:AM conference, Bucharest, 28th - 29th September 201
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
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
Passado, presente e futuro da altmetria na perspectiva de especialistas de diferentes regiões globais: entrevistas com Rodrigo Costas e Ronaldo Araújo
No full textAltmetrics, proposed in 2010, has consolidated itself as a dynamic strand within the field of information metrics, aiming to incorporate digital dimensions of visibility, circulation, and appropriation of science. Its development, however, has been accompanied by conceptual, methodological, and political tensions. Challenges persist regarding data reliability, algorithmic mediation, strategic manipulation, and the risk of reinforcing hegemonic patterns in the global scientific system. This set of interviews is part of the research project “Past, Present, and Future of Altmetrics from the Perspective of Experts across Global Regions”, conceived as an intellectual intervention by a group of Brazilian scholars with consolidated work in altmetrics, scientometrics, and research evaluation. The interviews, conducted in written form with internationally recognized experts, were guided by a critical framework of fourteen questions, designed to challenge the field’s assumptions and foster a plural debate on its directions. The responses of Rodrigo Costas and Ronaldo Ferreira de Araujo provide dense and complementary contributions. The interviewees highlight both the advances of altmetrics and its current limitations, pointing to the need for theoretical and methodological maturation that avoids purely instrumental appropriations and promotes a richer understanding of the interactions between science, technology, and society. The material presented seeks to contribute to strengthening a critical and plural debate around altmetrics.A altmetria, proposta em 2010, consolidou-se como uma vertente dinâmica dos estudos métricos da informação, com a proposta de incorporar dimensões digitais de visibilidade, circulação e apropriação da ciência. Seu desenvolvimento, no entanto, tem sido acompanhado de tensões conceituais, metodológicas e políticas. Persistem desafios ligados à confiabilidade dos dados, à mediação algorítmica, à manipulação estratégica e ao risco de reforço de padrões hegemônicos no sistema científico global. Este conjunto de entrevistas integra a pesquisa “Passado, presente e futuro da altmetria na perspectiva de especialistas de diferentes regiões globais”, concebida como uma intervenção intelectual de um grupo de pesquisadores brasileiros com atuação consolidada em altmetria, cientometria e avaliação da ciência. As entrevistas, realizadas por escrito com especialistas internacionais de referência, foram orientadas por um roteiro crítico de quatorze questões, formulado para tensionar pressupostos do campo e fomentar um debate plural sobre seus rumos. As respostas de Rodrigo Costas e Ronaldo Ferreira de Araujo oferecem contribuições densas e complementares. Os entrevistados destacam tanto os avanços da altmetria quanto seus limites atuais, apontando a necessidade de um amadurecimento teórico e metodológico que evite apropriações instrumentais e promova uma compreensão mais rica das interações entre ciência, tecnologia e sociedade. O material apresentado busca contribuir para fortalecer um debate crítico e plural em torno da altmetria
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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