1,721,010 research outputs found
Vigilare: Acqua in città, l’approccio del Water Urbanism
No full textLa gestione delle risorse idriche e la prevenzione dei rischi, gli spazi aperti urbani sono spesso identificati come aree vulnerabili, maggiormente soggette ad impatti negativi di diversa intensità e frequenza. La complessità dell’approccio ecologico della resilienza applicata al rischio di alluvione si esplica non nel ritorno a uno stato iniziale, ma in un'evoluzione verso forme di stabilità successiva, talvolta anche differenti da quelle iniziali. La tesi che si propone nel paper è di interpretare il carattere potenziale degli spazi aperti urbani al fine di strutturare componenti dell'ambiente costruito in grado di implementare infrastrutture di mitigazione per ridurre l'esposizione e la vulnerabilità agli shock ambientali e alle calamità naturali, specialmente nelle città costiere o fluviali. Vengono esaminati diversi casi studio (Venezia, Copenhagen, Rotterdam, Genova) nel rapporto tra pianificazioine ed emergenza, tra progetto spaziale e resilienza, tra infrastrutture e water urbanism quale risposto a stress climatico-ambientali sempre più frquenti
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
“NATURAL GAS, CARS AND THE ENVIRONMENT. A (RELATIVELY) 'CLEAN' AND CHEAP FUEL LOOKING FOR USERS”
No full textThis paper deals with the spread of natural gas as a fuel for motor vehicles. Working on the basis of an input-oriented (and life cycle) approach to environmental issues, it is easy to show that natural gas is often relatively clean in comparison to all the other alternatives. Although natural gas is both cheap and very well suited to motoring uses, natural gas vehicles (NGVs) have not achieved widespread diffusion. This is particularly puzzling in Italy, as the relative price after taxes (in caloric equivalents) of natural gas is about 0.3 against gasoline and 0.4 against diesel fuel. The sample survey conducted confirms not only the practical drawbacks of NGVs - mainly the lack of an adequate refueling network - but also a profound lack of information and knowledge about NGVs characteristics. The overall indication for future policy is that economic incentives alone may not be sufficient. An environmental policy aimed at promoting 'more sustainable' individual choices (NGVs, in this case) must both consider the institutional framework, and promote the initial spread of appropriate understanding and awareness able to prime the endogenous adoption of 'greener' behaviors
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
Evidenze e prospettive sugli utilizzi dei conti fisici per le politiche pubbliche
No full textLe informazioni fornite dalla Contabilità Ambientale trovano un’ampia gamma di utilizzi e applicazioni, direttamente o indirettamente rilevanti nel disegno, monitoraggio e valutazione delle politiche pubbliche. I conti ambientali sono gli strumenti di elezione in tutti i casi in cui sia richiesta la coerenza dell’informazione ambientale con quella fornita dal Sistema dei Conti Economici Nazionali. In particolare, i conti fisici e gli indicatori da essi derivati,
possono essere utilizzati – oltre che per la descrizione accurata del metabolismo socioeconomico, come nei vari esempi forniti nelle prime due parti del volume – in sistemi informativi complessi, in analisi descrittive a livello settoriale (ad esempio profili ambientali), nei modelli economici che includono o hanno ad oggetto variabili ambientali (quali l’analisi input output estesa ai flussi fisici e i modelli predittivi), in analisi volte a valutare i progressi in termini di disaccoppiamento tra crescita economica e pressioni ambientali e in generale a supporto non solo del monitoraggio ma anche di altre fasi del ciclo delle politiche, e in particolare del loro disegno e attuazione. Il contributo esamina alcuni utilizzi dei conti ambientali e/o indicatori derivati da essi sono ormai consolidati non solo nel nostro paese, ma anche a livello globale
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe 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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