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E-commerce systems are typically QoS-sensitive, so QoS-oriented tunings of e-commerce servers are very important for such systems. However, existing e-commerce benchmarks are insufficient for supporting QoS-oriented tunings, because some critical QoS features of e-commerce systems cannot be precisely evaluated by them. One example of these features is the integrality of service, which is usually expressed...
Technological evolution has redefined many business models. Many decision makers are now required to act near real-time, instead of periodically, given the latest transactional information. Decision-making occurs much more frequently and considers the latest business data. Since data warehouses (DWs) are the core of business intelligence, decision support systems need to deal with 24/7 real-time requirements...
In this paper we present an approach for investigating the feasibility of reducing inference control to access control, as the latter is a more desirable means of preventing unauthorized access to sensitive data. Access control is preferable over inference control in terms of efficiency, but it fails to offer confidentiality in the presence of inference channels. We argue that during the design phase...
Requirements engineering is considered to be one of the crucial and at the same time difficult tasks during development process. It is considered to be one of the key factors causing software projects to fail since weak requirements engineering affects other phases and would be costly to correct later. Requirements engineering, to a large extent, is dependent on analysts' experience. The process of...
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