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Differential Privacy (DP) has received increasing attention as a rigorous privacy framework. Many existing studies employ traditional DP mechanisms (e.g., the Laplace mechanism) as primitives, which assume that the data are independent, or that adversaries do not have knowledge of the data correlations. However, continuous generated data in the real world tend to be temporally correlated, and such...
Effects of extraction solvent on the extraction yields of polyphenolic contents (total phenolic, flavonoid, anthocyanins and tannins contents) and antioxidant activitity of the Osmanthus fragrans' seed were examined for the first time. The extraction solvent included water and methanol, ethanol, acetone (30%, 70% and 100% v/v, respectively). The antioxidant activities of different solvent extractions...
Reputation systems provide a promising way for building trust through social control in collaborative communities by harnessing the community knowledge in the form of feedback. However, reputation systems also introduce vulnerabilities due to potential manipulations by dishonest or malicious players. In this paper, we focus on two closely related problems - feedback sparsity and potential feedback...
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