Escape games have become popular nowadays. Groups of people are locked inside riddles-filled rooms and have to work their way out finding clues and solving puzzles. While being fun for groups or team building, escape games have a great educational potential, which can be capitalized if teachers integrate them in their professional activities. In this paper we introduce the Star Model, a tool for teachers to design and play their own educational escape rooms, which was built on top of previous literature and experiences. We present and discuss its validation through a pre/post survey involving 50 primary secondary school teachers who participated in a course about educational escape rooms. The model validation suggests that the Star Model can be proposed as a valid tool for educational escape rooms design.
Streaming applications have become more and more dynamic and heterogeneous thanks to new technologies which enable platforms like microcontrollers and Web browsers to be able to host part of a streaming topology. A dynamic heterogeneous streaming application should support load balancing and fault tolerance while being capable of adapting and rearranging topologies to user needs at runtime. In this paper we present a REST API to control dynamic heterogeneous streaming applications. By means of resources, their uniform interface and hypermedia we show how it is possible to monitor, change and adapt the deployment configuration of a streaming topology at runtime.
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