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Cellular phones and other hand-held devices are now extensively used to write emails, notes and long texts. However, the arrangement of keys in the current keyboards is not optimized to facilitate rapid and ergonomic typing. In this paper, we aim to optimize the Arabic keyboard layout for applications that predominantly use a single pointer. The single-finger keyboard layout problem can be modeled...
Recent technological developments provide technical assistance that enables supporting people with visual disabilities in their everyday tasks and improve their quality of life. Considering that about 90% of the world visually impaired people live in developing countries, particularly in the local context, in Saudi Arabia, there is a lack of assistive tools and adapted environment supporting people...
Timed event graphs (TEGs) and timed weighted event graphs (TWEGs), which have multiple arc cardinalities, have been widely used for automated production systems such as robotic work cells or embedded systems. TWEGs are useful for modeling batch flows of entities such as batch arrivals or processing of jobs. Periodic schedules, that combine an explicit description of starting times and an easy implementation,...
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