1,721,135 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

    Deterministic Delay Guarantee in OBS Edge Node for Premium Services

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    In optical burst switched (OBS) networks, the queueing delay in ingress edge node is an important performance measure. In this paper, we propose a deterministic delay model and derive the upper bound of the burst queueing delay in an edge node. On this basis, the edge-to-edge delay guarantee framework for premium services is further outlined

    Consorciando os habitantes: as experiências das “zonas O” e dos “topónimos” em Roma

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    Quella di Roma, capitale d’Italia, costituisce un’esperienza estremamente interessante dal punto di vista delle politiche di gestione della città informale e del suo recupero attraverso il coinvolgimento degli abitanti. Qui, infatti, in una città per altri versi “moderna” e “occidentale”, e con una grande tradizione storica, Il fenomeno dell’abusivismo ha dimensioni veramente notevoli: tra un quarto e un terzo dell’intera città. Ma, soprattutto, sono state sviluppate nel tempo molte politiche e molte strategie di recupero, regolarizzazione e riqualificazione, che ci permettono oggi alcune utili ed importanti valutazioni. Il contributo intende sviluppare una lettura critica delle politiche di recupero delle periferie abusive romane tramite il coinvolgimento degli abitanti.That of Rome, capital of Italy, is an extremely interesting experience from the point of view of the management policies of the informal city and its recovery through the involvement of the inhabitants. Here, in fact, in a city otherwise "modern" and "Western", and with a great historical tradition, the phenomenon of unauthorized city is truly remarkable: between a quarter and a third of the entire city. But above all, have been developed over time many policies and many recovery strategies, regularization and upgrading, which allow us some useful and important feedback. The contribution aims to develop a critical reading of the recovery policies of the abusive Roman suburbs through the involvement of the inhabitants

    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

    Città fai da te: parole, concetti e valori in contrapposizione

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    La presente pubblicazione riunisce due libri distinti ma strettamente correlati tra loro. Da una parte la traduzione in italiano, curata dal Museo delle Periferie, del "Glossario di Pratiche Urbane. Verso un manifesto" e dall'altra i contributi del progetto "New Words New World. Parole, voci, corpi". Il "Glossario di Pratiche Urbane. Verso un manifesto" approfondisce tramite le definizioni scelte dalle autrici e dagli autori, le diverse parole delle pratiche urbane, con lo scopo di arrivare a un primo "manifesto" delle Urban Praxis. Non solo, formulando chiaramente gli obiettivi e gli ideali di ogni definizione il glossario permette di confrontare pratiche anche molto diverse tra loro, le contestualizza per definire delle nuove strategie per il futuro. Da questa riflessione è nato il progetto "New Words New World, parole, voci, corpi", un ciclo di incontri, in cui attivisti, ricercatori, artisti e giornalisti si sono confrontarsi, in maniera collettiva, per discutere e definire ad ogni incontro una parola diversa. Le parole scelte e discusse negli incontri laboratoriali, partecipati nel KunstRaum del Goethe-Institut, allestito appositamente per creare una sorta di mostra/azione che si è attivata ad ogni incontro sono state: Abitare, Città-fai-da-te, Resilienza, Demopraxia, Artivismo, Sexed City, S/Fregiare, Mappe, Ecopolitiche. Oltre cento esperti che si sono confrontati definendo e rismontando i termini di un lessico mobile grazie al quale proviamo ad interpretare ed intervenire nel mondo che i sapiens per il 50% +1 della popolazione mondiale hanno eletto a loro ecosistema di riferimento: la città

    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

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