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Live video streaming from mobile devices is quickly becoming popular through services such as Periscope, Meerkat, and Facebook Live. Little is known, however, about how such services tackle the challenges of the live mobile streaming scenario. This work addresses such gap by investigating in details the characteristics of the Periscope service. A large number of publicly available streams have been...
The possibility to include practical training sessions in online learning systems is important to increase the value of engineering courses. This paper presents a work in progress focusing on integrating a remote laboratory system in an existing online learning environment so that, through the use of a simple web browser, students can develop both theoretical and practical skills at the same time...
The main contribution of this work in progress is an open source architecture for seamless integration of open access educational resources located in heterogeneous learning management systems (LMS) distributed across the network. One of the main advantages of the proposal is the simplicity in creating, managing and making available new content that builds on the existing material in different repositories...
Currently there is a large amount of educational resources available, developed by many educational institutions at all level. One of the main challenges is to make use of such wealth of material in a simple and effective way, especially when pre-university education is involved, ranging from primary schools to high schools. The main difficulties experienced by the teachers willing to tailor the available...
Mobile devices are increasingly used as terminals for playback of multimedia content. However, maximizing the user's quality of experience is challenging due to the highly variable conditions of the wireless channels. A possibility to cope with such a variability is to dynamically adapt the source coding rate during the transmission, which is the underlying idea of the DASH standard. This work proposes...
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