1,720,981 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
Brazil in the international system: The rise of a middle power
No full textIn recent years, Brazil has grown greatly in international status, and all indications are that it will continue to do so. The authors of this book evaluate Brazil from a “Brazil in the world” viewpoint, placing the country in the current international system in relation to its capabilities, effects, and interest positions. On the basis of their co
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
Introduction
No full textThis introduction presents an overview of the key concepts discussed in the subsequent chapters of this book. The book examines why the smooth flow of liberalization under Joao Figueiredo was hindered and its future course made questionable by a number of contradictions or dilemmas, political predicaments caused by the piling up of unaddressed issues for the next government to solve. It focuses on the role of the Congress as a major force in pushing for widening liberalization and as a key arena for expansion of representation, including growth in strength and determination of the opposition parties and the break-up of the official party. The book examines the early to intermediate stages of liberalization through a model of the six basic contradictions every political system must manage. It describes some major trends and issues in the changing analysis, reasons behind and implications of the shift in central tendencies, and factors that support and oppose continuation of the trends
¿Es Estados Unidos excepcional?
Get PDFEl "excepcionalismo" como conciencia de las diferencias entre los Estados Unidos y Europa (y el resto del mundo) y un sentido de superioridad se convirtieron en componentes del nacionalismo estadounidense y han afectado la forma en que los estadounidenses perciben el mundo y su papel en él. Hay muchas interpretaciones de cómo llegó a ser el país, cuáles son sus características definitorias y qué tan fácticos o meramente autocomplacientes fueron realmente o son ahora los elementos de las afirmaciones nacionalistas de excepcionalidad. Como cualquier principio nacionalista, la tesis de la excepcionalidad ciertamente requiere una interpretación deliberadamente selectiva e incompleta de la historia nacional. Este estudio examina el desempeño real actual del país, en términos económicos, sociales y políticos, en comparación con otras democracias desarrolladas, para evaluar la validez empírica de esa afirmación de "excepcionalidad" en la práctica real. Se ofrecen muchos enlaces a fuentes en línea gratuitas y de alta calidad en inglés para ayudar a las personas interesadas que deseen analizar más a fondo algunos aspectos de la situación contemporánea de los Estados Unidos en un contexto comparativo."Exceptionalism" as an awareness of the differences between the United States and Europe (and the rest of the world) and a sense of superiority became components of American nationalism and have affected the way that Americans perceive the world and their role in it. There are many interpretations of how the country came to be, what its defining characteristics are, and how factual or merely self-congratulatory the elements of the nationalistic claims of exceptionality really were or are now. Like any nationalistic tenet, the exceptionality thesis certainly requires a deliberately selective and incomplete interpretation of the national history. This study examines the actual current performance of the country, in economic, social, and political terms, in comparison to other developed democracies, to assess the empirical validity of that "exceptionality" claim in actual performance. Many links to high-quality, cost-free online sources in English are offered to assist interested persons who wish to analyze further some aspects of the contemporary situation of the United States in a comparative context
Brazil-Africa relations: Third world alternatives for development and security
No full textThe progress of Brazil’s relations with Africa has been remarkable, with broadening areas of cooperation and complementarity. From the African perspective, Brazil must produce contributions to Africa to satisfactorily strengthen the ties; from the Brazilian side the attention paid to Africa must carry a tangible economic payload. Brazil’s chief goals in Africa are economic, but political considerations abound. Among Brazil’s disadvantages in dealing with Africa are its inability to make the level of economic commitment Africa would like, its conservative government, its reluctance to get involved in African political or security issues, its competition with established powers, and its problems delivering financing for projects. Most African governments appear to regard Brazil as friendly to their interests, even though they would prefer more militance and action on matters concerning anticolonialism and national liberation movements in southern Africa
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