1,721,470 research outputs found
Respiradero con leyenda "k 16333". Fototeca Constantino Reyes-Valerio
No full textEstos respiraderos corren a lo largo de toda la calzada que comienza en la zona del Pueblo San Lorenzo Huipulco por eso se les incluyó dentro de esta colonia a pesar de que se encuentran a lo largo de varias otras.Inscripción en la base del respiradero con leyenda: "k 16333"Calzada México Xochimilco sin númer
Going Beyond Counting First Authors in Author Co-citation Analysis
No full textThe 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
No full text“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
No full textWe 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
H2O maser emission associated with the planetary nebula IRAS 16333−4807
No full textWe present simultaneous observations of H2O maser emission and radio continuum at 1.3 cm carried out with the Australia Telescope Compact Array towards two sources, IRAS 16333-4807 and IRAS 12405-6219, catalogued as planetary nebula (PN) candidates, and where single-dish detections of H2O masers have been previously reported. Our goal was to unambiguously confirm the spatial association of the H2O masers with these two PN candidates. We detected and mapped H2O maser emission in both fields, but only in IRAS 16333-4807 the maser emission is spatially associated with the radio continuum emission. The properties of IRAS 16333-4807 provide strong support for the PN nature of the object, hereby confirming it as the fifth known case of an H2O maser-emitting PN. This source is bipolar, like the other four known H2O maser-emitting PNe, indicating that these sources might pertain to a usual, but short phase in the evolution of bipolar PNe. In IRAS 12405-6219, the H2O maser and radio continuum emission are not associated with each other and, in addition, the available data indicate that this source is an H II region rather than a PN. © 2014 The AuthorsLU acknowledges support from grant PE9-1160 of the Greek General Secretariat for Research and Technology in the framework of the
programme Support of Postdoctoral Researchers. GA, JFG, LFM,
and JMT acknowledge support from MICINN (Spain) AYA2011-
30228-C03 grant (co-funded with FEDER funds). The ICC (UB) is
a CSIC-Associated Unit through the ICE (CSIC). LU acknowledges
the hospitality and support of the staff at the Paul Wild Observatory in Narrabri (NSW) during the observations. This paper made
use of information from the Red MSX Source survey data base at
http://rms.leeds.ac.uk/cgi-bin/public/RMS_DATABASE.cgi which
was constructed with support from the Science and Technology Facilities Council of the UK. It also made use of data products from the Wide-field Infrared Survey Explorer, which is a joint project
of the University of California, Los Angeles, and the Jet Propulsion Laboratory/California Institute of Technology, funded by the
National Aeronautics and Space AdministrationPeer reviewe
Dispelling the Myths Behind First-author Citation Counts
No full textWe 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
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe 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
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
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