1,720,994 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
Simulation und Wirklichkeit. Eine ontologische Annäherung an den Cyberspace.
Full text link,Multimedia\u27, ,Internet\u27, ,virtuelle Realität\u27, , Informationsrevolution\u27 sind Schlagworte der öffentlichen Diskussion der letzten Jahre, mit denen ein fundamentaler Umbruch unserer Gesellschaft am Vorabend des 21. Jahrhunderts signalisiert werden soll, die aber zumeist mehr zu einer seltsamen Form medialer Aufgeregtheit beitragen, als daß sie Klärung brächten. Tatsache ist, daß die Erfindung und Weiterentwicklung der Computer seit Mitte der 60er Jahre und vor allem die Einführung der Personal Computer seit Anfang der 80er nicht nur unsere Arbeitswelt, sondern auch unser Alltagsleben weitgehend verändert haben. Hinzu kommt heute die weltweite Vemetzung dieser Computer und die allgemeine Digitalisierung der Medien, die tatsächlich auf einige gravierende Veränderungen in der Wahrnehmung unserer Umwelt schließen lassen. Doch wie sehen diese Veränderungen im einzelnen aus? (...) EnglishDaniel Morat: Simulation and reality. An ontological approach to cyperspaceMultimedia is the word on everybody\u27s lips nowadays. But not everyone is clear, on the other hand, which alterations in our space·time consciousness and our definition of reality will actually take place due to the much talked about information revolution. The author of this article therefore tries to place in the context of an historical process the communication and simulation possibilities brought about through the digitalised transmission of information. This process can, on the one hand, be described as an acceleration of previous trends and a strike out into new spaces, on the other, as escapist steps away from what most people with less complex technologies experience as reality. Today it seems to have reached its peak with the creation of virtual reality through state of the art micro-technology. With regard to this development the author makes the plea that we do not all break into a post modern dirge for the loss of what is real. Instead of a loss of reality one could perhaps better describe it as an extension of what is real. According to the author, through a process of domestifi.cation and acquisition by the people, virtual reality will become a natural part of our human environment
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
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