329 research outputs found

    Transport organization and economic development of an European peripherical region: the case of Sicily

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    Transport and communication networks are some of the most important factors which influence the socio-economic development, and particularly the tourist sector, of Sicily, a peripherical region by comparison with the European central areas. The most recent changes in the transport sector are: a) the creation of integrated trans-national networks, based on specific systems such as the inter-modality transport one and the hub and spoke one. b) the solution of the conflicts between transport development and environmental impact. These changes lead to the creation of global national and regional logistic networks, which increased the competition and efficiency of states/regions/local economic systems. In this paper the authors will analyse how Sicily wants to face these transformations in order to change its economic functions in the Euro-Mediterranean area. On the other side they will take in consideration how the principal choices of European Union influence the projects of Sicilian transport Plans and if Sicilian actors are able to use the European financial resources available in transport sector.

    The Touristic Local Systems as a means to re-balance territorial differences in Sicily

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    The Italian new law (n.135/2001) about the re-organization of touristic activities of Regions has contributed to re-think all the resources related to touristic valorisation in a systemic view point. In fact according to the new approach, the Local Touristic System (STL in Italian law) regards not only the naturalistic and the cultural resources and the hotels but also the economic and services activities that can related to tourism. Although Sicilian Region has not instituted its official STL, in our paper we will try to define the STL in Sicily in a particular point of view. In fact we will consider not only the touristic areas but also the areas less developed, because the systemic approach allows us to use the touristic activities as a factor of territorial re-balance instead of territorial polarization. We also will consider the principal touristic port related to the STL, according the point of view of an integration among ports and its surrounding areas. So the ports become a door to the inner areas full of naturalistic and cultural resources.

    Metropolitan Development Policies and Demographic. Dynamics in Sicily

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    This article will take in consideration the co-existence in Sicily of different models of urbanisation with rising complex problems. Particularly we notice: A) in the coastal conurbations with infrastructural improvements, there is a timid decentralization of functions and the start of plans that would increase of the gateway functions on one hand, and processes of impoverishment of environment and reduction of economic potentialities on the other hand; B) in the inner and marginal areas, while some cities are marked from an unstoppable decline, others show an awakening of initiatives in many fields, from the productive activities to the tertiary and touristic ones. The Sicilian Regional Governments have adopted very different urban policies to front the necessity of various city typologies, since the second half of years ' 80, with the law n.9 of 1986, that it has defined limits and functions of the Sicilian metropolitan areas (M.A.). However, the difficulty to concretely start the activity of the M.A., according to the regional law, is appeared obvious in the next years also for the new Italian Constitution Reformation. Reformation that needs of new regional law from the Sicily and of the definition of the Territorial Urban Regional Plan.

    Actors and resources of an evolving local system. The processes that involve Catania, a dynamic reality in a low developed region

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    Since the second half of the ''''70s, a great crisis has hit the local system of Catania, - which is the most important town in the North-east of Sicily - both in its economical aspects and in its social and political ones. In the ''''90s, nevertheless, the city has been interested by deep transformations which have caused new actors and innovative resources to emerge. During the years of crisis, the Catania local system was based on the building industry and on the public expenditure that have nourished clientelistic and also illegal activities. In fact the public expense played a very important role in the economic development of Sicilian society, where most of the industrial enterprises worked in protected sectors. A few exceptions regarded SMEs with innovative capabilities and larger firms depending from an exogenous management. From this point of view, the authors of this paper will try to draw a clear picture of the changes happened in the last decade in the Catania socio-economic system, pinpointing its ability of nourishing new initiatives in high technology sectors and attracting others from the outside, thanks to the new political atmosphere present in the city and its ambitious aspiration to became an important node in the Mediterranean Basin. Some of the actors of these changes are a group of innovative entrepreneurs, the local University and a new class of politicians more sensitive to the economic and social development of the community.

    The urban strategic planning in the peripherical regions: the case of Catania (Sicily)

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    More and more regional development appears as an effect of the role that cities are able to carry out in the territory. This implies reconsidering not only resources which are available to a city but, above all, its ability to organize urban activities and functions. If these considerations have already found careful appraisal in the most developed regions, by means of the renewal of instruments for the strategic planning of cities, it seems still insufficient the use of these new planning instruments in the less developed regions, although their primary role in the processes of local development. In Southern Italy, for instance, the proliferation of financial support from various sources (E.U., National Government and Regional ones), which imposes plans at different scales (the interregional one, the among cities one and the among suburbs one), and the emergence of actors and stakeholders, also within the presence of public order problems and infrastructural deficiencies, constitute a network that bridles and conditions the city activities and functions, on one side, but can also be a set of occasions that - if used - can push the city towards development itineraries, on the other side. With our paper we propose to compare some experiences of strategic planning in the Southern Italy and to analyse the case of Catania (a central city in an Objective 1 region, Sicily), putting in evidence how the new Plans give order to the activities and the functions of the city, trying to achieve one balanced and sustainable development, by means of the recovery of urban identity.

    Trends in Detection and Characterization of Propaganda Bots

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    Since the revelations of interference in the 2016 US Presidential elections, the UK’s Brexit referendum, the Catalan independence vote in 2017 and numerous other major political discussions by malicious online actors and propaganda bots, there has been increasing interest in understanding how to detect and characterize such threats.We focus on some of the recent research in algorithms for detection of propaganda botnets and metrics by which their impact can be measure

    La preghiera del poeta nell’Alcibiade Secondo: un modello filosofico e cultuale

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    Dans le Second Alcibiade, Socrate propose une prière simple pour les « bonnes choses » comme exemple de la manière adéquate de s’adresser aux dieux et il l’attribue au « poète ». Jusqu’à présent, une telle prière a été étudiée comme exemple de prière philoso­phique, c’est-à-dire en tant que discours sur la prière plutôt que comme prière en tant que telle. Même si elle fait partie intégrante de l’enseignement proposé par Socrate dans ce dialogue, sa signification véritablement liturgique ne peut être minimisée. En regard des autres prières platoniciennes, la prière du poète se présente comme une réponse concrète, propédeutique, répondant à une nécessité pratique. Il s’agit de chercher la manière la plus générale possible d’éviter les conséquences néfastes d’une prière irréfléchie et peu respectueuse à l’égard des dieux.In Alcibiades II Socrates provides a prayer simply for “good things” as an instance of the proper way to address the gods and ascribes it to the “poet”. This prayer has been studied up to now as a philosophical prayer, an instruction on prayer much more than a prayer in its own right. Even if it is understood as a part of the philosophical teaching proposed by Socrates in the dialogue, its actual and authentic liturgical meaning cannot be overlooked. Compared to the other platonic prayers, the poet’s prayer seems to be a real and propaedeutic answer to practical necessity in order to find the most general way of avoiding the aftermath of an apathetic, disrespectful prayer to the gods

    Location Privacy in LTE: A Case Study on Exploiting the Cellular Signaling Plane's Timing Advance

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    Location privacy is an oft-overlooked, but exceedingly important niche of the overall privacy macrocosm. An ambition of this work is to raise awareness of concerns relating to location privacy in cellular networks. To this end, we will demonstrate how user location information is leaked through a vulnerability, viz. the timing advance (TA) parameter, in the Long Term Evolution (LTE) signaling plane and how the position estimate that results from that parameter can be refined through a previously introduced method called Cellular Synchronization Assisted Refinement (CeSAR) [1]. With CeSAR, positioning accuracies that meet or exceed the FCC’s E-911 mandate are possible making CeSAR simultaneously a candidate technology for meeting the FCC’s wireless localization requirements and a demonstration of the alarming level of location information sent over the air. We also introduce a geographically diverse data set of TAs collected from actual LTE network implementations utilizing different cell phone chipsets. With this data set we show the appropriateness of modeling the error associated with a TA as normally distributed.
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