We describe the design, implementation, and evaluation of Popcorn, a media delivery
system that hides clients' consumption (even from the content distributor). Popcorn relies on …

Universal multimedia access (UMA) refers to accessing multimedia content over a wide
range of client terminals and network capacities. Scalable coding is a very popular …

The evolution of the World Wide Web service has incorporated new distributed multimedia
conference applications, powering a new generation of e-learning development and …

A new generation of e-learning development, based on synchronous groupware
applications integration, providing improved interactivity and pro-human relations, allows …

This paper proposes a user-centric end-to-end QoS negotiation framework for
heterogeneous wireless networks. The three key features of the framework are: the …

A tecnologia de streaming de vídeo encontra na Internet TV, talvez, a sua aplicação magna.
Face às carências de QoS da Internet actual, é consensual formular um sistema de …

Media-on-demand services grant the consumer the possibility to select a media stream from
the offer of the provider and to request it at arbitrary time. Certainly, this surplus service …

With WWW evolution, new distributed multimedia conference applications were incorporated
in that service, bringing improved interactivity and pro-human relations. Groupware …

Today's common online services (social networks, media streaming, messaging, email, etc.)
bring convenience. However, these services are susceptible to privacy leaks. Certainly …

The number of mobile devices accessing the Internet is continuously increasing, creating
new problems. For example, when many wireless clients try to access the same video …