1,720,976 research outputs found

    Collaborative Music Making with Live Algorithms

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    All Copyright remains with the author © Copyright 2007This paper discusses developments of ENSEMBLE, an interactive improvisation environment based on the Iterated Prisoner’s Dilemma. The main emphasis of this paper is on the interactive version of ENSEMBLE, and its development for the work ‘fr@gm3nT’ [fragment], a collaboration between the author and saxophonist Derek Pascoe. Some of the lessons learned from non real-time, generative versions of ENSEMBLE are also discussed, along with the implications of the approach for algorithmic composition and live interactive computer music performance.Luke Harral

    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

    Fight or Flight: Towards the modelling of emergent ensemble dynamics

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    This paper explored the 'ENSEMBLE' system, an agent based musical 'Prisoner's Dilemma' tournament designed by the author and implemented in Cycling 74's MAXMSP programming environment. The aims for this system are wide ranging, with initial experiments focusing on an algorithmic composer's assistant that works in both real and non-real time and is able to manipulate both auditory and visual media. Extensions of the system involve the incorporation of real-time interaction with live performers allowing for collaborative music making. The main premise behind this system is the modelling of the ensemble dynamics produced through the use of performance indeterminacy, pioneered by the 'New York School' (Earl Brown, John Cage, Morton Feldman, Christian Wolff) in the 1950s, and equally having profound effect on experimental music through the 1960s (Morgan, 1991: 359). Also often broadly referred to as non-idiomatic improvisation, the term performance indeterminacy is preferred by the author to avoid confusion with Jazz based forms of improvisation which tend to dominate peoples perception of the nature of these situations.Harrald, Lukehttp://www.acma.asn.au/acmc05/program.htm

    Dispelling the Myths Behind First-author Citation Counts

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    We 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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    Artificial Life: model for musical innovation

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    Copyright (c) 2003 UNSW. Copyright with the author © Copyright 2003Since Pythagoras, music has been a vehicle for the physical realisation of abstract scientific principles. Algorithmic composition is as old as music composition (Jacob 1996), and a more recent development in this field has involved the use of composition methods based on Artificial Life This paper presents a discussion on existing composition systems, exploring both the problems faced by system designers, and how differences in the composer’s philosophy and approach ultimately have an effect on the possibility of creating innovative music. The author’s own system will also be discussed in detail with a focus on the composition of two works; ælife for Orchestra, and Fight or Flight (the prisoner’s dilemma) for percussion ensemble. The two works presented show how the system is modified to answer specific problems which arise when composing different works.Luke Harral

    koamabayili/VECTRON-author-checklist: VECTRON author checklist

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    We 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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