1,721,071 research outputs found
Proposte per una rigenerazione urbana ed ecologica
No full textStarting from the definitions of resilience, this paper considers the urgent need for a trans-scalar and transdisciplinary approach to mitigate the errors of the past and to prevent the effects of global climate change. At an urban scale, vegetation performs ecosystem services aimed at urban resilience, thus contributing to increasing the quality of life. It reflected on the results of planning choices made in the past following natural events and we know that today are much worse than the events themselves. Through a case study, the paper illustrates some solutions for urban regeneration that
looks at the ecological-environmental component
SMALL LAKES AND RESERVOIRS IN THE HILLS OF SICILY. MAINTAIN, SAVE AND RECOVER RURAL LANDSCAPE
Full text linkIn the transition from nomadic to sedentary, people have tried - for their settlements - the most plenty of water, and the first cities were founded, in fact, along Tigris and Euphrates rivers, extraordinary water resources in a particular dry climate.In the most interior of Sicily, which has always been characterized by low rainfall, the farmers - over time - have tried various expedients for the preservation of rain water in order to allow its survival and crop.The use of new technologies and materials has resulted in recently hard impacts for landscape, while construction of small dams filled with earth, using natural soil impluviums and the nature of the land, made it possible to irrigate thousands of hectares of agricultural land otherwise ready for drought. A “sustainable” technique, which resulted in the last sixty years, a significant change in the rural landscape of Sicily. In a time when the whole country seems to be threatened - to build indiscriminately - by excessive consumption of soil, which will inevitably and irreversibly alter the environmental balance, the rediscovery of the landscape value of crops that characterize - today - the sicilian countryside and techniques of sustainable conservation of rainwater, it seems of great relevance for the study and protection of soil and for the recovery of the identity of this territory.This abstract introduce to a multidisciplinary investigation yet started, which will aim to assess both technical and landscaping aspects, both economic and agronomic, and also ecological profiles of this technique to protect the biodiversity in these specialized fields. The investigation will aim also to give an historical perspective and an ex-post evaluation of interventions in order to lead to urban planning, landscape and spatial awareness. A further aim is the design of a network system which has impacts on the quality of rural tourism, which emphasizes, as an example, the interaction with the system of bicycle routes and footpaths, greenways, that is being developed in Sicily
Food and religion in Sicily: new green tourist destination by an ancient route from the past.
Full text linkThe Francigena Way (Via Francigena) is a long international itinerary that was awarded recognition as a Culture Route of the Council of Europe. It starts in Canterbury (UK), touches 13 European regions and ends in Rome. An ancient track of this route is in Sicily (Southern Italy), and its name is Magna Via Francigena (Great Francigena Way). This track is a pilgrimage route that con-nects two ancient port cities, Palermo and Agrigento, passing through internal rural territories that now deal with the exodus of population from rural to urban areas. The route passes through the Sicilian territory named “Upper-Belìce corleonese”, a rural area around the city of Corleone (a little village known worldwide for the sad Mafia events) that includes a number of municipalities. In the past, this religious pilgrimage was a fundamental part of the expression of faith for Christians and now still represents for Sicilians a strong symbol of Christian identity. In recent decades, pilgrimage tourism around the world has grown significantly each year. The aim of the study is to know the pilgrims’ motivations for choosing the Magna Via Francigena pilgrimage as a vacation and any pos-sible similarities between pilgrimage tourism and food and wine tourism, in the wider context of sustainable and slow tourism. The Policy Delphi method was applied to collect the opinions of the stakeholders involved. The study highlighted the strong link between religious motivations and local enogastronomy, culture, art and nature. Results will support policy-making in the development of integrated territorial tourist marketing strategies
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
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