186,385 research outputs found

    Experimental Data for Natural Disaster Mobility Model and Typhoon Haiyan Scenario

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    <p>The experimental data set for running the <em>Typhoon Haiyan</em> scenario with the <em>Natural Disaster Mobility Model</em> presented in the paper:</p> <p>Milan Stute, Max Maass, Tom Schons, and Matthias Hollick, “<strong>Reverse Engineering Human Mobility in Large-scale Natural Disasters</strong>,” to appear in <em>ACM International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems (MSWiM)</em>, November 2017, Miami Beach, USA.</p&gt

    Relationship between muscle strength of the knee extensor and flexor and jump performance in volleyball players: A review

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    The jumping tests and the isokinetic dynamometer evaluations are widely used in sport for the identification of parameters of strength and power development. The understanding of the relationship between these variables may help in the selection of more specific parameters in the assessment of the strength of the knee joint muscles in the isokinetic dynamometer for volleyball players. The objective of this literature review was to summarize studies that analyzed the relationship between the performance of the jumping tests with the capacity of force generation in evaluations of isokinetic dynamometry of knee in volleyball players, besides investigating if the muscle imbalances of the joint of the knee can interfere with the performance of the jumps. The reviewed studies come from the search conducted in PubMed and Scielo databases. We found 106 articles of which 6 articles were used for the final analysis. The ability to generate force in the knee isokinetic dynamometry evaluations is related to the jump performance. Strength imbalances from one limb to another do not seem to interfere with jumping performance. The strength imbalances between the flexors and knee extensors may be related to the functionality of the volleyball players

    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

    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

    Withdrawn by Author

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    <p>Withdrawn by Author </p&gt

    Correlations between jump performance in block and attack and the performance in official games, squat jumps, and countermovement jumps of professional volleyball players

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    The jump used in performance tests must be chosen according to the specificity. The aims of the present study were to analyze the correlations between height and reach of block and attack jumps and the effectiveness of such actions in official games and also the relationship between height and reach of attack and block jumps and the height achieved in squat jump (SJ), countermovement jump (CMJ), and CMJ with an arms swing (CMJA). Thirteen, male, professional volleyball players who competed in the Brazilian Volleyball Super League participated in this study. Evaluations of height and reach of attack and block jumps and height of SJ, CMJ, and CMJA were performed. Attack and block effectiveness were evaluated in 8 official games. Pearson’s product-moment correlation coefficient was used, and the significance level was set at α ≤ 0.05. Attack jump height correlated with attack effectiveness in the games (r = 0.57; p = 0.05). Block jump height presented a very large correlation with SJ height (r = 0.82; p < 0.01), and attack jump height presented a very large correlation with CMJ height (r = 0.86; p < 0.01). Success in attack actions is directly associated with the athlete’s ability to perform a vertical jump. Moreover, SJ, CMJ, and CMJA tests provided information of great applicability for the volleyball players’ needs. Because of the relevance of the results, these tests should be included in the assessment routine of professional volleyball players

    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

    Dr. Edward P. Wimberly, ITC, July 2011

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    This video is a conversation with Dr. Edward P. Wimberly. Dr. Wimberly talks about his book, "No Shame in Wesley's Gospel: A Twenty-First Century Pastoral Gospel". Brad Ost, AUC Woodruff Library, is the interviewer

    As múltiplas linguagens no cotidiano da educação infantil.

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    Trabalho de Conclusão do Curso de Especialização em Educação Infantil - 1ª Edição – Polo Joinville - SC, para a obtenção do Grau de Especialista em Educação Infantil.Este estudo centra-se nas múltiplas linguagens, e através da observação da prática pedagógica tem a intenção de demonstrar a sua importância na vida cotidiana do jardim de infância. A pesquisa começou com um levantamento bibliográfico sobre o tema. Esta etapa foi seguida pela observação da vida diária de um Centro de Educação Infantil, para estabelecer a importância das múltiplas linguagens no processo ensino-aprendizagem. Posteriormente foi aplicado um questionário às educadoras, afim de saber como elas interpretam a importância das múltiplas linguagens na educação infantil. Na sequência, uma síntese das respostas foi feita e unida às informações coletadas durante a fase de observação e com a literatura atual. Como resultado deste trabalho, é possível perceber que as múltiplas linguagens são uma parte importante no cotidiano do Centro de Educação Infantil "Aventuras de Criança". De acordo com os educadores da instituição, é impossível oferecer educação infantil de boa qualidade, sem os recursos fornecidos pelas múltiplas linguagens. Um projeto institucional denominado "Alegria de Brincar" desafiou os professores a fazer os alunos e suas famílias vivenciarem a escola utilizando as múltiplas linguagens como ferramentas. Com base nesses incentivos, outras atividades e projetos foram desenvolvidos. A abordagem utilizada no projeto será discutida neste artigo
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