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Location-based services are quickly becoming immensely popular. In addition to services based on users' current location, many potential services rely on users' location history, or their spatial-temporal provenance. Malicious users may lie about their spatial-temporal provenance without a carefully designed security system for users to prove their past locations. In this paper, we present the Spatial-Temporal...
With the emergence of cloud computing, the concept of information security has become a major issue. Indeed, the security of such a system is the greatest concern of computer scientists, providers of cloud and organizations who want to adopt and benefit from these services. Cloud computing providers must implement concepts ensuring network security, hardware, data storage and strategies of control...
Cloud computing as a potential paradigm offers tremendous advantages to enterprises. With the cloud computing, the market's entrance time is reduced, computing capabilities is augmented and computing power is really limitless. Usually, to use the full power of cloud computing, cloud users has to rely on external cloud service provider for managing their data. Nevertheless, the management of data and...
Advances in embedded RF devices and sensor nodes have witnessed major expansion of end user services such as Internet of Things (IoT) and Cloud Computing. These prospective smart embedded and sensor devices normally interconnect to the internet using wireless technology (e.g. radio frequency, Wi-Fi) and run on top of CoAP and TFTP protocols. In this paper, we present a RF Simulator v1.1 which simulates...
Educational resources is very rich, but the utilization rate is very low. There is a lot of redundancy and waste., To the whole education it would be a big step forward if We can integrate educational resources with the Internet to achieve the sharing of resources. peer-to-peer technology to share resources solves the problem. But some of the shortcomings of its own bring a number of other issues...
The peer-to-peer network has been widely used to share large files anonymously. Because of its open nature, nodes can join and leave peer-to-peer networks freely. But there are few limited methods to ensure their trust. Malicious nodes can expose great security threats to peer-to-peer networks such as spreading unauthentic data and viruses. But handling all the malicious nodes in the same way causes...
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