Tuscia University

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    808 research outputs found

    L'orizzonte del socialismo. Andrea Costa tra Imola e l'Europa

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    From the Blogosphere into Real Politics: The Use of ICT by the Five Star Movement

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    Research on ICT and the public discourse often focuses on how ICT can be used to increase citizen participation in political decision-making processes. The Italian Five Star Movement (5SM) represents a novel approach to using ICT to include citizens, and a big challenge for the traditional political actors. The 5SM was initiated outside the established political systems, with the use of Internet tools as cornerstones to promote political actions based on the directly expressed will of citizens. In this paper, based on an exploratory case study approach and informed by the introduction of E-Democracy models, we investigate the role of ICT in various phases of the 5SM, from its birth through the current stage. The focus here is on the transformation from a protest organisation outside the established political processes to being the second most voted party within the Italian parliament

    Multi-commodity warehouse location and distribution planning with inventory consideration

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    We consider the problem of designing a distribution network for a logistics provider that acquires products from multiple facilities and then delivers those products to many retail outlets. Potential locations for consolidation facilities that combine shipments for cost reduction and service improvements are considered. The problem is formulated with direct shipment and consolidation opportunities. A novel mathematical model is derived to solve a complex facility location problem determining: (i) the location and capacity level of warehouses to open; (ii) the distribution route from each production facility to each retailer outlet; and (iii) the quantity of products stocked at each warehouse and retailer. A genetic algorithm and a specific problem heuristic are designed, tested and compared on several realistic scenarios. © 2013 Taylor & Francis

    Altri racconti

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    Presidenti. Storia e costumi della Repubblica nell'Italia democratica

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    Ideas Sharing Through ICT in Innovation Processes: a Design Theory for Open Innovation Platforms

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    Since Henry Chesbrough’s remark on the importance of opening innovation processes to the cooperation of external entities, like partners, competitors or customers, open innovation gained momentum. Open innovation approach was started and run by different companies around the world. Meanwhile specific platforms were developed to support these processes, either by intermediaries aimed at helping companies to shift to an open innovation approach, or by firms which decided to adopt this approach trough their own created and managed platforms. Through a descriptive design theory perspective the paper analyzes the features (components) that these web-based platforms offer in respect to the requirements they have to fulfill in order to effectively support the open innovation approach

    Classifying silvicultural systems (coppices vs. high forests) in Mediterranean oak forests by Airborne Laser Scanning data

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    Forest classification by silvicultural systems (coppices vs. high forests) is important for forest resource assessment as such systems relate to a wide variety of ecosystem services. In this paper the potential of Airborne Laser Scanning (ALS) data for Mediterranean oak forests classification of coppices with standards vs. high forests was investigated in three study areas in Italy. We addressed the following issues: can coppices and high forests be distinguished using a raster Canopy Height Model (CHM)? Which are the most efficient CHM-derived metrics? Does the scale of analysis influence the classification potential of CHM metrics? Our results show that CHM in grid format (1-m2 pixel) provides support information to classify silvicultural systems

    Impiego di tecniche di selvicoltura preventiva e fuoco prescritto a fini antincendio boschivo nelle aree naturali protette

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    L’approccio più adeguato nella lotta gli incendi boschivi è promuovere e incentivare le attività di previsione e di prevenzione, anziché privilegiare la fase emergenziale legata allo spegnimento degli incendi. le operazioni di gestione del combustibile mirano a ridurre la continuità verticale rappresentata soprattutto dall’abbondanza di arbusti e da necromassa nelle parti basse delle chiome arboree. Queste operazioni consentono di attenuare il comportamento del fuoco, limitandone l’intensità e la lunghezza di fiamma, rendendo più agevoli le operazioni di controllo; ma soprattutto diminuiscono la possibilità che un incendio radente possa trasformarsi in incendio di chioma, situazione particolarmente complessa, pericolosa e di difficile controllo. Si tratta di interventi compresi nelle pratiche della selvicoltura di prevenzione e del fuoco prescritto: essi sono complessivamente inquadrabili, sotto il profilo concettuale, con il termine inglese firesmart management of forest landscapes, dal momento che si tratta di un approccio basato sulla gestione dei combustibili nelle aree più a rischio e sulla loro riduzione complessiva a livello di paesaggio e che nelle aree protette va modulato anche in relazione alla zonizzazione pianificata.The most effective approach against fire is to support prevention activities rather than focusing only on fire suppression. Fuel management concerns a set of operations and interventions aimed at modifying the spatial distribution of fuels, in order to reduce fuel load and interrupt both the vertical and the horizontal continuities. Distinctively, one of the main targets of forest fuel management is to reduce the so-called fuel ladder represented by the vertical continuity between surface and crown fuels. These practices allow to potentially reduce fire intensity and flame length, thus reducing the probability that surface fires degenerate into the more dangerous, and difficult to control, crown fires. Fire smart management of the forest landscapes concerns exactly these types of interventions, and it includes silvicultural measures to prevent forest fires and prescribed burning, whose application within areas designated for nature conservation has to be conceived according to the conservation planning

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