1,720,973 research outputs found

    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

    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

    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

    Neural Networks for Solar Panels Efficiency Prediction

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    In 2018, more than 100GW worth of solar panels were installed worldwide. The in crease in solar energy systems is beneficial for the environment, but some companies have trouble implementing it given its inconsistent generations of energy. This inconsistency creates energy fluctuations that can overcharge the electrical grid or complicate load de mand predictions. This work proposes an approach that uses distributed data and machine learning to reduce these risks by making these energy fluctuations more predictable. We implemented neural network models to evaluate data that connects solar panels’ efficiency with weather conditions. Companies and Smart Grid operators can use our approach and models with forecasting data to predict the next-day solar energy generation and adapt decisions considering fluctuations. Results show that our application achieved with an absolute error of less than 10% in some studied cases.Somente em 2018, mais de 100 GW em novos painéis solares foram instalados no mundo. Mesmo que essa fonte energética seja benéfica para o meio ambiente, muitas organizações enfrentam dificuldades em implementá-la devido à sua geração de energia inconsistente. Essa inconsistência cria flutuações de energia que podem sobrecarregar a rede elétrica ou complicar o cálculo da demanda de energia. Esse trabalho propõe uma abordagem usando dados distribuídos e aprendizagem de máquina para reduzir esses riscos. Para isso, nós implementamos modelos de redes neurais para analisarem dados que relacionam a eficiência de painéis solares com condições climáticas. Companhias podem usar nossa abordagem e modelos para prever a energia que será gerada no próximo dia e se programar melhor para flutuações de energia. Os resultados mostram que a nossa abordagem atingiu níveis de precisão prósperos, tendo menos de 10% de erro absoluto em suas medições em alguns cenários estudados

    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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    Abordagem orientada a processos para configuração de ambientes e aplicações IoT

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    The Internet of Things (IoT) is a paradigm that consists of heterogeneous devices with ca pabilities of sensing, acting, processing, communication, networking, and storage. These devices are highly interconnected to reach a common goal – making people’s life easier. In Smart Factories, for example, highly automated production processes can be enabled leading to more efficiency and reduced costs. In the IoT, communication and continu ous transmission of collected data are conducted through standardized Internet protocols. Well-known applications of the IoT include Smart Homes, Smart Factories, or Smart Cities. Nevertheless, setting up new IoT environments usually requires manually setting up the devices, configuring sensors, or writing scripts. Conducting these complex steps can be very cumbersome, especially finding suitable technologies, protocols, or standards. The heterogeneity of smart devices, communication protocols, and other technologies and the high distribution in the IoT makes the configuration of smart environments and appli cations even more complex and time-consuming. Therefore, in this work, we propose a holistic method to help domain experts setting up IoT environments and applications. Our method is composed of (i) a toolbox with common building blocks of the IoT, and (ii) a business process-based approach to orchestrating the setup of these building blocks. Through our approach, domain experts can select the building blocks they require for their IoT application and generate a step-by-step manual for their setup.A Internet das Coisas (IoT) é um paradigma que consiste de dispositivos heterogêneos com capacidades de detecção, atuação, processamento, comunicação, armazenamento e de rede. Esses dispositivos são altamente interconectados para atingir um objetivo em comum – tornar a vida das pessoas mais fácil. Em indústrias inteligentes, por exem plo, processos de produção intensamente automatizados podem ser estimulados levando a mais eficiência e custos reduzidos. Na IoT, a comunicação e a transmissão contínua de dados coletados são conduzidas através de protocolos de internet padronizados. Apli cações bem conhecidas de IoT são Casas Inteligentes, Indústrias Inteligentes, e Cidades Inteligentes. Contudo, a configuração de novos ambientes inteligentes comumente requer a montagem manual dos dispositivos, configuração dos sensores ou escrita de scripts. A realização dessas etapas complexas pode ser um trabalho árduo, especialmente no que diz respeito a encontrar tecnologias, protocolos ou padrões adequados. A heterogenei dade de dispositivos inteligentes, protocolos de comunicação e outras tecnologias, além da alta distribuição na Internet das Coisas torna a configuração de ambientes inteligentes ainda mais complexa e demorada. Desse modo, nesse trabalho, propomos um método ho lístico para auxiliar na configuração de ambientes e aplicativos IoT. Nossa abordagem é composta por (i) uma caixa de ferramentas com blocos de construção comuns da IoT, ser vindo de base para nosso método, e (ii) uma abordagem orientada a processos de negócio para orquestrar a configuração dos blocos de construção. Por meio da nossa abordagem, os especialistas do domínio podem selecionar os blocos de construção necessários para a sua aplicação IoT e também gerar um manual passo a passo para sua configuração

    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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