1,721,053 research outputs found

    Le concentrazioni nei mercati data-driven: la privacy rinnegata.

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    The digital sector is rapidly growing in importance and the services offered therein have become crucial to the ever-increasing number of Internet users. Online services, frequently offered for free to end users, are centered around the collection and the analysis of data. The accumulation of large amounts of information contributes to the centralization of market power in the hands of a few large operators, hindering the contestability of the market. An accurate control by antitrust authorities of data-driven mergers can constitute a suitable tool to, on the one hand, prevent the formation or the strengthening of dominant positions based on the acquisition of large datasets and, on the other hand, protect users' welfare. Data-driven mergers, in fact, can negatively impact the services involved with regard to aspects like quality, by lowering the level of data protection offered, and the possibility of choice for users, by allowing a higher personalization. By examining the European Commission's decisions on data-driven mergers, this article aims at identifying the advances and the criticalities characterizing this field. Although the European institution has consistently recognized the competitive advantage linked to data, it often ignored the effects of data-driven acquisitions on the welfare of end users. Only two decisions recognized data protection and users' choice between different services as important competitive parameters, however they remained isolated cases. As a matter of fact, in its recent decision on the Google-Fitbit merger the institution maintained a rigid separation between data protection and competition law. Moreover, the possible anti-competitive effects of the acquisition on end-users' welfare were not considered. We believe that this approach is problematic, especially in cases that, like Google-Fitbit, involve companies active in the market for smart wearable devices. With the advance of the IoT, in fact, smart objects will be able to collect even more information and the line between offline and online will become thinner. In this context, the protection by antitrust authorities of consumers' welfare, including quality and a wide range of choice, will be crucial to maintain an effective competition

    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

    sj-pdf-1-jcb-10.1177_0271678X231172520 - Supplemental material for Quantification and prospective evaluation of serum NfL and GFAP as blood-derived biomarkers of outcome in acute ischemic stroke patients

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    Supplemental material, sj-pdf-1-jcb-10.1177_0271678X231172520 for Quantification and prospective evaluation of serum NfL and GFAP as blood-derived biomarkers of outcome in acute ischemic stroke patients by Federica Ferrari, Daniela Rossi, Alessandra Ricciardi, Carlo Morasso, Liliana Brambilla, Sara Albasini, Renzo Vanna, Chiara Fassio, Tatjana Begenisic, Marianna Loi, Daniela Bossi, Alberto Zaliani, Elisa Alberici, Claudio Lisi, Andrea Morotti, Anna Cavallini, Federico Mazzacane, Antonio Nardone, Fabio Corsi and Marta Truffi in Journal of Cerebral Blood Flow & Metabolism</p

    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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