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Cloud computing has change the strategy of the way of providing distributed services for many business and government agents. Cloud computing delivers a scalable and on demand services for most users in different domains. This new technology brings many challenges to service providers and customers especially for users who already own complicated legacy systems. This paper examines challenges related...
Cloud computing is a new form of technology, which infrastructure, developing platform, software, and storage can be delivered as a service in a pay as you use cost model. However, for critical business application and more sensitive information, cloud providers must be selected based on high level of trustworthiness. In this paper, we present a trust model to evaluate cloud services in order to help...
In a recent decade many universities responded to challenges of the internet penetration into the society and economics by simply adding computerized facilities to their existing curriculum services as their e-learning strategy [3] so that the traditional teaching and learning model could be preserved. This e-learning strategy deployment is now being challenged by the emergence of Social Networking...
Digital Ecosystem is an innovative high-tech environment with the purpose of supporting the activities among species within the business ecosystem. In this paper, we concern about the research issue of service retrieval within such an environment. Due to the fact that species are heterogeneous and geographically dispersed, to precisely and quickly locate a service provider becomes an issue. In addition,...
In the literature, there is a lot of confusion regarding the relationship between the `trust' and `security'. Most of the times, these terms are regarded as being synonymous with each other. The existing literature does not draw a clear line how and when the terms of `trust' and `security' are synonymous and when they are not synonymous. In this paper we address this issue and discuss when the distinct...
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