1,721,647 research outputs found

    Glass advertising H. B. H. Bernstein

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    Glass advertising business. Cylindrical, widening at the top. Inscribed, decorated with American and Zionist/Israeli flags and star of David inscribed Zion. Inscription: H B H. BERNSTEIN 58 CANAL STREET NEW YORK 594 PITKIN AVE BROOKLYNDigital imagedigitize

    Alvin H. Bernstein, Tiberius Sempronius Gracchus. Tradition and Apostasy

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    Raepsaet-Charlier Marie-Thérèse. Alvin H. Bernstein, Tiberius Sempronius Gracchus. Tradition and Apostasy. In: L'antiquité classique, Tome 53, 1984. pp. 505-506

    Alvin H. Bernstein, Tiberius Sempronius Gracchus. Tradition and Apostasy

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    Raepsaet-Charlier Marie-Thérèse. Alvin H. Bernstein, Tiberius Sempronius Gracchus. Tradition and Apostasy. In: L'antiquité classique, Tome 53, 1984. pp. 505-506

    Bedminster, AT&T aerial view, 1975

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    This aerial view of the AT&T complex under construction was photographed by H. Bernstein Associates, Inc. of Yonkers, NY and is stamped "April 9, 1975" on the verso. Route 287 passes by on the left

    Error analysis, perturbation theory and applications of the bidiagonal decomposition of rectangular totally-positive h-Bernstein-Vandermonde matrices

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    A fast and accurate algorithm to compute the bidiagonal decomposition of rectangular totally positive h-Bernstein-Vandermonde matrices is presented. The error analysis of the algorithm and the perturbation theory for the bidiagonal decomposition of totally positive h-Bernstein-Vandermonde matrices are addressed. The computation of this bidiagonal decomposition is used as the first step for the accurate and efficient computation of the singular values of rectangular totally positive h-Bernstein-Vandermonde matrices and for solving least squares problems whose coefficient matrices are such matrices.Agencia Estatal de Investigació

    Accurate bidiagonal decomposition of totally positive h-Bernstein-Vandermonde matrices and applications

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    An algorithm for the computation of the bidiagonal decomposition of strictly totally positive h-Bernstein-Vandermonde matrices is presented. These matrices are collocation matrices of h-Bernstein bases (a generalization of the Bernstein basis) of the space of polynomials of degree less than or equal to n. The algorithm is fast (its computational complexity is O (n2) and has high relative accuracy. The computation of this bidiagonal decomposition is used as the initial stage for the accurate and efficient solution of several linear algebra problems with these matrices: linear system solving, eigenvalue computation and inverse computation. Numerical experiments are also included.Ministerio de Economía y Competitivida

    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
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