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The booming of the Internet and its applications, especially, the recent trend in outsourcing databases, fuels the research on symmetrically private information retrieval (SPIR) schemes. In this paper, we propose a fully homomorphic encryption based SPIR scheme in order to further improve the comm-unication cost of SPIR from O((logn)²) to O(logn). Actually, our schemes can be directly used to implement...
Virtualization is a common technology for improving the utilization of existing physical computing resources, which provides great opportunity for industry growth and research due to its high flexibility and simplification. While various software products are available for providing the infrastructure of virtualization, the deploy for a specific industry area is still challenging. We attempt to apply...
Dynamic cluster configuration is dynamically adjusting the servers scale based on the network load in order to achieve optimal service performance under the minimum system power consumption. In previous methods, they adopted adjustment methods based on the specific physical experimental model without the description of mathematical models. This paper presents a prediction-based dynamic clusters configuration...
This paper proposes a novel method to learn light-weight domain ontology from the Web. To create ontology (semi-) automatically has been a challenging and critical problem to make Semantic Web come true. Many methods have been reported on ontology learning from the Web by analyzing the page contents. However, they are not applicable for learning ontology from organization Websites, where the description...
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