1,721,007 research outputs found

    Estudo por simulação do protocolo TCP de alta velocidade

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    Orientadores: Eleri Cardozo, Deborah Anne AgarwalDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Eletrica e de ComputaçãoMestrad

    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

    A monitoring fool for an object oriented distributed problem solving kernelr .

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    Este trabalho consiste no projeto e implementação de uma ferramenta de monitoração para um núcleo de resolução distribuída de problemas denominado dpsk+p. Tal núcleo permite que diversos agentes, desenvolvidos em diferentes linguagens que suportam o paradigma de objetos, compartilhem dados e métodos entre si, de modo a cooperarem no processo de resolução de determinado problema. A ferramenta de monitoração é baseada em eventos de comunicação e controle entre agentes, utilizando a técnica de animação de processos para efeito de exibição dos resultados. Além disso, propõe um método eficiente de exibição do fluxo de comunicação em sistemas baseados em memória compartilhada, aproveitando a compacidade presente nas hierarquias de classes que compõem um sistema orientado a objetos.PCS.This work consists of the design and implementation of a monitoring facility for an object-oriented distributed problem solving kernel named DPSK+P. This kernel allows both data and method sharing between agents, that may have been developed in different object-oriented programming languages, so that they can cooperate in a problem solving activity. The monitoring facility is based on control and communication events, and its exhibition of results uses process animation techniques. It also presents an efficient framework for the exhibition of the communication flow in shared memory based systems, which profiles the existing compactness in object-oriented class hierarchies

    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

    SOANet- A Service Oriented Architecture for Building Compositional Network Services

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    Abstract — The high competition among network providers places a demand for new ways to design network services with near zero development time, low cost, and high degrees of customization and evolution. Customization allows to fit the service according to the customers’ requirements, while evolution allows to adapt the service as soon as these requirements change. Moreover, customers are demanding the ability to manage the contracted services in order to keep service usage, configuration, and evolution under their control. This paper presents an approach based on service oriented architecture (SOA) for developing network services able to fulfill the requirements of rapid development, customization, and customer-side manageability. The approach considers the network service as the composition (orchestration) of a set of basic services. A generalization of the architecture primarily aimed at connection oriented networks is introduced, extending it to overlay networks. Two services for the management of tunnels on optical networks are presented as a case study

    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

    Dispelling the Myths Behind First-author Citation Counts

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    We 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

    Author Index

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    koamabayili/VECTRON-author-checklist: VECTRON author checklist

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    We 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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