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Cloud and mobile are two major computing paradigms that are rapidly converging. However, these models still lack a way to manage the dissemination and control of personal and business-related data. To this end, we propose a framework to control the sharing, dissemination and usage of data based on mutually agreed Data Sharing Agreements (DSAs). These agreements are enforced uniformly, and end-to-end,...
Cloud storage is one of the most popular categories of market services. It provides an easy means for consumers to store and share their data, also in mobility through convenient apps. However, such valuable functionality raises several security concerns. Among them, the risk of sensitive information disclosure or, for professional data, the risk of compliance violations. In this paper, we propose...
Addressing security and privacy requirements for Mobile and Cloud platforms is always made in isolation. This lack of coherence has impacts when data are permanently travelling between such platforms. In this paper we propose a symmetric architecture that takes into account the privacy and security requirements of the two platforms and offers a straightforward instantiation pattern for realizing an...
In this paper, we present the results from a family of experiments conducted to assess whether the level of formality/precision in workflow modeling, based on UML activity diagrams, influences two aspects of construct comprehensibility: correctness of understanding and task completion time. In particular, we have considered two styles for workflow modeling with different levels of formality: a precise...
In order to cater for a growing user base that requires varied functionalities and owns multiple devices, software providers are using cloud solutions as the preferred technical means. In fact, all major operating systems come with a tight integration to cloud services. Software solutions that have such integration with cloud services should disclose (transparency) this to the consumer. Furthermore,...
Service Oriented Computing (SOC) has facilitated a paradigm shift in software provisioning models: software gets consumed as a "service" providing enormous benefits, however lack of security assurance of third-party services is hampering their wider adoption in business- and security-critical domains. Security certification typically provides the required assurance, however applying it as...
The paper describes the eXtreme Apprenticeship methodology and its application inside a blended laboratory on Operating Systems. Extreme Apprenticeship is based on Cognitive Apprenticeship: apprentices learn a task by first observing the master performing it, and then practising under master guidance. The role of a Learning Management System in scaffolding apprentices is underlined, and some preliminary...
Learning Management Systems (LMS) represent today's preferred technology for institutional e-learning. Unfortunately, they show poor adaptability to each user's needs, and learners may suffer from the walled garden effect. Many researchers are investigating the Personal Learning Environment (PLE) as a way to overcome such limitations, fostering a lifelong learning perspective. In this paper we propose...
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