Rafah Hosn

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Due to increased competition in the IT Services business, improving quality, reducing costs and shortening schedules has become extremely important. A key strategy being adopted for achieving these goals is the use of an asset-based approach to service delivery, where standard reusable components developed by domain experts are minimally modified for each(More)
User interface is a mean to an end —its primary goal is to capture user intent and communicate the results of the requested computation. On today's devices, user interaction can be achieved through a multiplicity of interaction modalities including speech and visual interfaces. As we evolve toward an increasingly connected world where we access and interact(More)
Cloud-based offerings such as Infrastructure-as-a-service (IaaS), Platform-as-a-Service (PaaS), and Software-as-a-Service (SaaS), are being delivered by various vendors at highly competitive prices to encourage a paradigm shift to utility computing. To optimize the operational costs of managing an IBM Cloud-based PaaS offering, a two-pronged approach has(More)
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