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This paper presents a case study with two Brazilian companies aiming at understanding the evaluation and measurement procedures of the value provided by the ERP systems implementation in order to justify the investments made. The results reported some benefits due to the system usage, mainly concerning changes on business processes and the management level. However, there was no formal evaluation...
The communication between user and software is a basic stage in any Interac-tion System project. In interactive systems, this communication is established by the means of a graphical interface, whose objective is to supply a visual rep-resentation of the main entities and functions present in the Virtual Environ-ment. New ways of interacting in computational systems have been minimizing the gap in...
Improving the way that totally or partially deaf people communicate with the world is a challenging task for our society. One way to improve their communication is to learn sign language, which is a visual language based on hand shapes, orientations, and movements of the hands, arms, or body, and facial expressions. This paper aims to present a 3D virtual reality environment to allow deaf users to...
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