1,720,959 research outputs found
Il progetto di mappatura amianto in Toscana: una fotografia dello stato dell’arte a 15 anni di distanza dal D.Lgs. 257/1992
No full textL’amianto è un minerale che è stato largamente utilizzato nei paesi
industrializzati dal dopoguerra. Successivamente, a causa della sua cancerogenicità, si
è assistito alla sua progressiva dismissione. In Italia il divieto all’utilizzo, al commercio
e alla produzione di manufatti contenenti amianto si è avuto in seguito all’introduzione
del D.Lgs. 257/1992. Pur tuttavia ancora oggi, come è possibile evincere dai dati del
censimento-mappatura fatto dall’ARPAT (Agenzia Regionale per la Protezione
Ambientale della Toscana) per conto della Regione Toscana su incarico del Ministero,
notevoli quantità di questo materiale sono tuttora presenti sul nostro territorio.
Obiettivo di tale censimento (effettuato su scala nazionale) è mettere a disposizione
dei legislatori uno strumento per attuare provvedimenti circa le opere di bonifica da
effettuare, allo scopo di tenere sotto controllo, per quanto possibile, i fattori di rischio
per la popolazione esposta
Esposizione accidentale ad amianto in cave e miniere della Toscana: il contributo della sorveglianza epidemiologica e della mappatura dell’amianto per la evidenziazione del rischio pregresso ed attuale
No full textIl documento illustra lo stadio di avanzamento della caratterizzazione della presenza naturale di amianto in Toscana, con riferimento all'esposizione professionale outdoo
Monitoring Cooker Activities Using a Grid-EYE Infrared Array Sensor
No full textOne of the challenges of our ageing society is to create a safe environment in which the elderly can live. Although the idea of creating an entirely risk-free society is impossible, it is feasible to monitor the health of elderly people by placing smart sensors in their houses, in order to react as soon as possible if a hazardous situation is taking place. In particular, this project focuses on the kitchen environment, by monitoring daily cooking activities and detecting anomalies in the use of the cooker, using some low-cost sensors: a Grid-EYE and a Sharp sensor
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe 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
Full text link“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
Full text linkWe 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
Full text linkWe 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
SLC: problematiche relative alla determinazione del contenuto in campioni massivi
No full textIL capitolo confronta dati sperimentali e di letteratura sulla problematica della determinazione della quantità di SLC in campioni reali provenienti da compartivi lavorativ
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