1,721,888 research outputs found
Detection and estimation of objects from noisy projection measurements
No full textThesis (B.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1983.MICROFICHE COPY AVAILABLE IN ARCHIVES AND ENGINEERINGBibliography: leaf 69.by Daniel Mark Spielman.B.S
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
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
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe 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
Dataset accompanying the thesis of Daniel Burns - Understanding the molecular interaction between unconventional T cell antigen receptors and their ligands; paving the way for future immuno-therapy
No full textThis dataset contains all relevant accompanying data and material for my thesis, titled -- Understanding the molecular interaction between unconventional T cell antigen receptors and their ligands; paving the way for future immuno-therapy. I have categorised each folder by the type of data covered, and added read-me files for all of the types of data deposited. </span
The Falkland Islands and their position within Gondwana
No full textDetailed mapping, at scales of 1:25000 and less, has been undertaken at key points across the Falkland Islands to understand the structural history of this displaced part of Gondwana. This mapping has revealed, previously undiscovered, downwardly injected diamictite dykes of Early Carboniferous age formed during the main phase of the Gondwana glaciation. Interference fold patterns on West Falkland have shown a relative chronology for the sub-orthogonal E-W (D1) and NE-SW (D2) structural trends on the Falkland Islands. D1 structures, related to Early Permian to Early Triassic N-S compression, form an E-W striking, southerly verging fold-belt across East Falkland, which changes strike to WNW-ESE on West Falkland, coincident with a marked decrease in strain. D2 structures include N-S and NE-SW folds, however these are dominated by the NE-SW Hornby Monocline, which is underlain by an oblique (reverse-dextral) basement fault causing West Falkland to be uplifted relative to East Falkland by 6-8 km. Seismic and gravity data reveal the offshore continuation of this basement fault to the SW for at least 60 km along strike. Comparison of vitrinite reflectance data, sedimentary facies and formation thicknesses between East and West Falkland has shown that this fault was active from at least Early Carboniferous times and throughout D1, and that it was reactivated during the Late Triassic-Early Jurassic E-W D2 compression.The geology of the Falkland Islands, including the stratigraphy (palaeocurrents, facies and lithologies), structure (fold vergence, thrust directions and cleavage orientations) and thermal history of the Lafonian foreland basin derived from vitrinite reflectance data is almost identical to that of the Eastern Cape of South Africa. This confirms that in Gondwana reconstructions, the Falkland Islands should be rotated by 180o and placed to the east of South African as an eastward extension and lateral termination of the South African Cape Fold Belt.</p
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe 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
Daniel Mark McMahon, Restoring the Garden: Yan Ruyi and the Civilizing of China's Internal Frontiers, 1795-1805, 1999
No full textNévot Aurélie. Daniel Mark McMahon, Restoring the Garden: Yan Ruyi and the Civilizing of China's Internal Frontiers, 1795-1805, 1999. In: Cahiers d'Extrême-Asie, vol. 19, 2010. Religions et sociétés locales. Etudes interdisciplinaires sur la région centrale du Hunan. pp. 337-341
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