1,721,003 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
Transferring standards: lessons from GSM-R in the railway sector
Full text linkIn the mid 1990s the European railway community – under the aegis of the Union Internationale des Chemins de fer (UIC) – opted for GSM as the standard to replace existing analogue railway radio systems. The decision was taken on two grounds: GSM was a non-proprietary standard (i.e. open standard) and it fulfilled the needs of railway operators. Other arguments put forward to support the choice was that choosing GSM would have the advantage to remain close to the development of the public market and to benefit from the experience on the applications and products level. This paper looks at the transfer of a telecommunication standard to another industry (railways). In particular it studies whether the adoption of an “extended” version of the GSM standard (GSM-R) turned out to be an efficient choice. Unlike the telecommunication sector, the railway sector does not have a UN forum like the ITU where railway stakeholders can come together to solve technical and standardization issues – that role is carried out in large parts by UIC, ETSI and other standardization bodies and increasingly by the European Railway Agency (ERA). Whereas the telecommunication sector has been undergoing liberalization for more than 20 years the European railway sector is by-and-large only beginning its reform process. The aim of creating a single European railway market has not been facilitated by the existence and persistence of strong technical boundaries at the national level. The transfer and deployment of GSM-R is of strategic importance to the success of another European railway project – European Railway Train Management System (ERTMS) – since the introduction of the new signaling system rests on achieving interoperability in radio-communication.MI
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
Multi-dimensional performance approach to reforming network industries: An application to the Chinese railway sector
No full textCACSMI
Design pédagogique
No full textConçu pour les enseignant-es qui, intervenant dans l’enseignement supérieur ou dans la formation d’adultes, souhaitent élaborer de nouveaux enseignements ou en revisiter d’anciens, cet ouvrage propose une approche pratique, visuelle et modulaire fondée sur le principe de la cohérence pédagogique, et articulée autour d’un canevas intégrant les principales dimensions d’un enseignement. Proposant une démarche en trois temps, ce livre privilégie la réflexion individuelle à partir de bases théoriques solides pour permettre à chacun et chacune d’élaborer sa vision de l’enseignement, de construire ou de faire évoluer un enseignement, et de développer ses compétences pédagogiques.CD
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