1,995,018 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
C-160 DESARROLLA POLITÉCNICO APLICACIÓN DE SMARTPHONE PARA LECTURA DE NIVELES DE GLUCOSA EN SANGRE
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C-160 DESARROLLA POLITÉCNICO APLICACIÓN DE SMARTPHONE PARA LECTURA DE NIVELES DE GLUCOSA EN SANGRE
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C-160 DESARROLLA POLITÉCNICO APLICACIÓN DE SMARTPHONE PARA LECTURA DE NIVELES DE GLUCOSA EN SANGRE
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C-160 DESARROLLA POLITÉCNICO APLICACIÓN DE SMARTPHONE PARA LECTURA DE NIVELES DE GLUCOSA EN SANGRE
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C-160 DESARROLLA POLITÉCNICO APLICACIÓN DE SMARTPHONE PARA LECTURA DE NIVELES DE GLUCOSA EN SANGRE
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160 Gb/s retiming using rectangular pulses generated using a superstructured fibre Bragg grating
No full textA 160 Gb/s retiming scheme incorporating a superstructured fibre Bragg grating for pulse shaping is demonstrated. Retiming is performed in a single step without wavelength conversion, and a substantial bit error rate improvement is achieved
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
160-Gb/s NRZ-DQPSK optical transmission system employing QC-LDPC code
No full textA quasi-cyclic low-density parity check (QC-LDPC) code is constructed by an improved stability of the shortest cycle algorithm for 160-Gb/s non-return zero differential quadrature phase shift keying (NRZ-DQPSK) optical transmission system with the fiber-based optical parametric amplifier (FOPA). The QC-LDPC code with stability of the shortest cycle reduces the bit error ratio (BER) to 10-14 and restrains the error floor effectively
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