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We consider the case of spreadsheet based workgroup collaboration, in which users cooperate through spreadsheets. While spreadsheet exchange through email and shared directories is still the most common way to share data, spreadsheet sharing in the Cloud is rapidly spreading, leveraging the evolution of office tools toward delocalized system over the Cloud. In this paper we observe that spreadsheet...
The paper is aiming at analyzing the possibility for a telecommunication operator to decrease the fixed costs of service delivery, by reducing CapEx (Capital Expenditures) and transforming part of them into OpEx (Operational Expenditures). In particular, the paper analyses the advantages and the risks of moving a service platform on a cloud-based infrastructure, and investigates the impacts of adopting...
This paper presents a reference model for Event Driven Composite Services, shows how such a model can be used as a basis to design a Service Creation Platform and a Service Execution Platform and describes an example of a Composite Service that takes advantage of the model and of the platforms. The Event Driven Service Composition paradigm supports the design and the implementation of distributed...
In this paper we focus on the structure and on the application of Server Side Mashups, that is of composite services executed and orchestrated in managed platforms. Unlike Client Side Mashups, which run in client platforms under direct user control, Server Side Mashups may run in background and do not require direct user control, thus enabling a set of applications which are not supported by Client...
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