1,721,003 research outputs found

    DETERMINING SCENARIO BASED HIGHWAY ROUTES USING GEOGRAPHIC INFORMATION SYSTEMS; A CASE STUDY OF SIMAV-KUTAHYA ROUTES, TURKEY

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    Ulaşım planlaması, şehir plancılarının optimum karayolu rotalarını belirlemelerinde rasyonel teknikler kullanımını gerektirmektedir. Bu gerekliliği sağlamak için, bu çalışma coğrafya bilgi sistemleri ve ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer) sayısal yükseklik modelini kullanarak en az maliyetli ve en kısa senaryo temelli karayolu rotalarını Kütahya ve Simav kentleri arasında oluşturmayı ve mevcut rotalarla karşılaştırmayı amaçlamaktadır. En az maliyetli ve en kısa rotaları oluşturmak için seçilen çalışma alanı Orta Anadolu ile deniz ve limanlara sahip olan Ege bölgesi arasındaki geçiş bölgesinde yer almaktadır. Bu çalışmada kullanılan metodoloji üç bölümden oluşmaktadır. Birinci bölüm iki adımdan oluşmaktadır: (i) kullanılacak faktörlerin oluşturulması (ii) farklı ulaşım temalarına odaklanan senaryoların belirlenmesi. İkinci bölümde tüm faktörler senaryolara göre ağırlıklandırılmıştır. Üçüncü bölümde Least Cost Path analizi kullanılarak en az maliyetli ve en kısa rotalar oluşturulmuştur. Oluşturulan rotalar kendi aralarında ve ayrıca mevcuttaki rotalarla ağırlıklandırılan faktörlere göre değerlendirilmiştir.Transportation planning requires more efforts from city planners to use rational techniques to determine optimum road routes. To fulfill this requirement, this study aims at generating the cheapest and the shortest scenario based routes using Geographic Information Systems (GIS) and Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) Digital Elevation Model (DEM) with Least Cost Path analysis between the Simav and the Kutahya cities, and comparing them with existing routes. For generating the shortest and the cheapest route, these cities are selected as sample since the study region is located in the transition area between central Anatolia and Aegean Region which has access to the sea and regional ports. The methodology used in this study is composed of three parts: first part consists of two steps; (i) generating the factors and (ii) determining scenarios focusing on different transportation themes that are used in the study process. In second part all factors are weighed regarding scenarios. In the third part of the study the outputs Path A (cheapest) and Path B (shortest) are generated by Least Cost Path analysis. The output routes were compared not only with each other, but also with the existing routes in terms of the generated factors

    Regional effects of monetary policy: Turkey case

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    Monetary policy is primarily designed for national purposes, say price stability. However, its impact may vary significantly across regions. Why some regions respond more strongly to monetary policy is a challenging topic both theoretically and empirically. Indeed, three main hypothesis on this issue have been put forward: (i) regions with high share of manufacturing, (ii) regions that include higher proportion of small-scale firms and banks, (iii) regions which are more open to trade are likely to respond more strongly to changes in monetary policy. Although these hypotheses have been thoroughly and heatedly discussed by a strand of scholars, far little attention has been paid to the role of geographical factors and spatial spillovers. In fact, we precisely address this issue. Aim of the present paper is to examine the validity of three hypotheses and, additionally, the role of spatial spillovers in regional monetary transmission mechanism in Turkey. Our analyses indicate three major results: First, provinces respond quite heterogeneously to unexpected changes in monetary policy. Second, spatial spillovers and geographical proximity clearly matter in monetary transmission such that neighboring regions are likely to exhibit similar reactions to monetary policy. Third, among the hypothesis above bank size and trade openness are found to be significant

    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

    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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