1,721,943 research outputs found

    (Shirl in action) : Poster: Shirl and Beryl (Dee Taylor-Graham and Evie Spanos)

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    Dimensions: 2.5 x 0.9 m. Medium: digital print. Copyright Dee Taylor-Graham. Photographer: Evie Spanos.For more information about this item, browse to http://hdl.handle.net/102.100.100/488

    (Shirl in action) : Exhibition view

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    Copyright Dee Taylor-Graham. Photographer: Evie Spanos.For more information about this item, browse to http://hdl.handle.net/102.100.100/488

    (Shirl in action) : Detail view of cup and saucers

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    Dimensions: 10 x 10 cm. Medium: porcelain with engobe, sgraffito and decal. Technique: hand built. Copyright Dee Taylor-Graham. Photographer: Greg Piper.For more information about this item, browse to http://hdl.handle.net/102.100.100/488

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The 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

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    “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

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    We 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

    Evolving Perspectives of Human Information Behavior: Contexts, Situations, Social Networks and Information Horizons

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    This paper presents an evolving framework of human information behavior. The framework emerges from theories and empirical studies from a variety of research traditions, including information science, communication, sociology and psychology, that inform our understanding of human information behaviour. First, fundamental concepts, such as context, situation, and social networks, are discussed. Using these concepts, a series of propositions that strive to elucidate, that is, prove a framework for exploring, human information behaviour are proposed. Information exploration, seeking, filtering, use and dissemination, are included (to varying degrees) in the framework. The framework also incorporates cognitive, social and system perspectives. A key concept in the framework is the notion of an "information horizon" in which individuals can act. Information horizons, which may consist of a variety of information resources, are determined socially and individually, and may be conceptualized as densely populated solution spaces. In a densely populated solution space, many solutions are assumed, and the information retrieval problem expands from determining the most efficient path to the best solution, to determining how to make possible solutions visible--to an individual(s) and to other information resources
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