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Smart phones show increasing capabilities for context-aware applications. The development of such applications involves implementation of mechanisms for context acquisition and context adaptation. To facilitate efficient use of the device's resources and avoid monitoring the same context changes from multiple points, it is necessary that applications share(More)
Keywords: Wireless networks Context awareness Intelligence Reinforcement learning Mobile ad hoc networks Wireless sensor networks Cognitive radio networks a b s t r a c t In wireless networks, context awareness and intelligence are capabilities that enable each host to observe, learn, and respond to its complex and dynamic operating environment in an(More)
Client honeypots are security devices designed to find servers that attack clients. High-interaction client honey-pots (HICHPs) classify potentially malicious web pages by driving a dedicated vulnerable web browser to retrieve and classify these pages. Considering the size of the Internet, the ability to identify many malicious web pages is a crucial task.(More)
Client-side attacks have become an increasing problem on the Internet today. Malicious web pages launch so-called drive-by-download attacks that are capable to gain complete control of a user's machine by merely having that user visit a malicious web page. Criminals that are behind the majority of these malicious web pages are highly sensitive to location,(More)
—Malicious web pages that launch client-side attacks on web browsers have become an increasing problem in recent years. High-interaction client honeypots are security devices that can detect these malicious web pages on a network. However, high-interaction client honeypots are both resource-intensive and unable to handle the increasing array of vulnerable(More)
Minkowski Weighted K-Means is a variant of K-Means set in the Minkowski space, automatically computing weights for features at each cluster. As a variant of K-Means, its accuracy heavily depends on the initial centroids fed to it. In this paper we discuss our experiments comparing six initializations, random and five other initializations in the Minkowski(More)
Economic models have long been advocated as a means of efficient resource allocation, however they are often criticized due to a lack of performance and high overheads. The widespread adoption of utility computing models as seen in commercial Cloud providers has re-motivated the need for economic allocation mechanisms. The aim of this work is to address(More)