1,721,061 research outputs found

    Tecnica e rappresentazione. L'essere umano come estensione del media digitale

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    L'’articolo propone una riflessione sulle tecnologie che inscriva i media digitali all’interno del rapporto coestensivo fra antropogenesi e tecnogenesi. Il ruolo costitutivo della tecnica, nel lungo percorso dell’uomo verso l’acquisizione di una mente rappresentativa, viene illustrato speculativamente, ricorrendo alla filosofia della tecnica di Heidegger, ed empiricamente facendo riferimento alla material engagement theory nel contesto degli studi di archeologia della mente. Nelle conclusioni illustreremo come i media digitali non si discostino da quella che Heidegger definisce l’essenza della tecnica moderna, ma che anzi reiterino quel destino impositivo invertendo la relazione fra media e soggetto, facendo di quest’ultimo una risorsa epistemica fondamentale per la realizzazione di una scienza algoritmica

    The government «special powers» in the strategically relevant sectors and the essential theoretical nodes to understand their meaning. A multidisciplinary approach = I poteri speciali dello stato nei settori di rilevanza strategica e i nodi teorici essenziali per comprenderne il significato. Un approccio multidisciplinare

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    Compared to its traditional reliance on the exclusive action of market forces, the continuous re-orientation of the economy has laid the foundations for a different classification of players and their respective roles within and beyond national borders. In this work the Authors propose a synoptic presentation of three points of view belonging to different disciplinary fields (applied economics, philosophy and law), the aim of this multidisciplinary approach is to provide a complete picture of the general factors that brought many European countries (with focus toward Italy) to endow sophisticated juridical instruments to face the challenges of an overwhelming contemporaneity as opposed to the traditional role of the state (c.d. golden power)

    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

    A Philosophical Approach for a Human-centered Explainable AI

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    Requests for technical specifications on the notion of explainability of AI are urgent, although the definitions proposed are sometimes confusing. It is clear from the available literature that it is not easy to provide explicit, discrete and general criteria according to which an algorithm can be considered explainable, especially regarding the issue of trust in the human-machine relationship. The question of black boxes has turned out to be less obvious than we initially thought. In this position paper, we will propose a critical analysis of two approaches to Explainable AI, a technically-oriented one and a human centered model. The aim is to highlight the epistemological gaps underlying these proposals. Through a philosophical approach, a new starting point for Explainable AI related studies will be handed out, which will eventually be able to hold together the technical limits set by algorithms and the instances of a human-centric approach

    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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