1,721,079 research outputs found
Atomic workers, atomic city : labor and community in Oak Ridge, Tennessee, 1942-1950
No full textThesis (Ph. D.)--Massachusetts Institute of Technology, Program in Science, Technology, and Society, 1997.Includes bibliographical references (leaves 80-83).by Russell Brian Olwell.Ph.D
Erika Osawa, Robert Weller, Jim Russell, Brian Kimpton and guest, 50th Anniversary of IBL, 2013
No full textErika Osawa, Robert Weller, Jim Russell, Brian Kimpton and guest at 50th anniversary of Industry Based Learning (IBL) celebrations, ATC Building, Hawthorn Campus, 50 years of IBL celebrations, 18 July 2013
Learning-based route management in wireless ad hoc networks
No full textThe nodes in a wireless ad hoc network must act as routers in a self-configuring network without infrastructure. An application running on nodes in the ad hoc network may require that intermediate nodes act as routers, receiving and forwarding data packets to other nodes to overcome limitations of noise, router congestion and limited transmission power. In existing routing protocols, the ``self-configuring'' aspect of network construction has generally been limited to route selection using a shortest-path routing metric as a predictor of routing efficiency. This limited, network-layer predictor fails to consider the effects of existing traffic on router loads and fails to consider the effects of noise experienced at the MAC layer. Not all network topologies are suited to efficient routing using a shortest-path metric. The location of the nodes and physical characteristics of the network environment can create topologies where shortest-path routing overloads some routers and underutilizes others. Similarly, noise sources can undermine the quality of wireless links depending on the relative distance between the noise sources and the receiving nodes. This dissertation presents a cross-layer predictor that combines the effects of noise and router congestion into a single time-based routing metric based on statistical estimation from recent experience. Also presented is a new cross-layer, adaptive routing protocol, called Warp-5, that not only uses the new routing metric to make better initial routing decisions in a noisy or congested network, but can also adjust previously existing routes as new routes or new noise sources are added to the network. Simulation results for Warp-5 are presented and compared to the existing shortest-path routing protocol AODV. The results show the cross-layer approach of Warp-5 to be superior to shortest-path routing protocols for managing router congestion and noise in wireless ad hoc networks.Ph.D.Includes bibliographical references (p. 121-124)
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
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
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
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