Abstract-Analysis and design are important phases in the system development lifecycle. In these phases, developers record information necessary for properly understanding the nature of the systems under consideration.We consider a particular type of system, named Remote Lab that allows both teachers and students to perform real experiments over the internet and we focus on Virtual Instrument Systems in Reality (VISIR).We describe a summarized web interface of VISIR using the Unified Modeling Language (UML). Our case study aims at identifying the requirements of VISIR and at creating a set of UML diagrams that succinctly provide enough information to both developers and users so that they acquire enough information for building a general understanding of it.Additionally, we provide elements for extending UML to better support further user interface development in VISIR.
Education plays a primary role in developing countries, fostering their economy and augmenting their human potential. It is now easier to learn newest methods and techniques in many fields, particularly in engineering and science, where IT-based educational tools - such as online laboratories - have been instrumental to improve the teaching and learning process. Online laboratories are widely used in several universities around the world, particularly in developed countries. There is evidence that online laboratories have a positive effect on the students' skills and promote cooperative and collaborative learning by allowing them to work remotely without restrictions. This led to a quality increase of the teaching and learning process. Likewise, students from other countries, namely in the Middle East and North Africa (MENA) region, could also benefit from using online labs. This paper studies the existing collaboration among the researchers working with online labs, in the MENA region, by reviewing a selection of articles from conferences and journals. The patterns of cooperation and collaboration among them are discussed and analyzed, as well. In the authors' opinions, the community characterized in this paper should establish more collaboration links in order to strength its capacity of influencing the adoption of online labs, in that region.
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