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Low-precision data types for embedded applications reduce the power consumption and enhance the price-performance ratio. Inconsistence between the specified accuracy of a designed filter or controller and an imprecise data type can be overcome using the δ-operator, an alternative to the traditional discrete-time z-operator. Though in many cases it significantly increases accuracy, sometimes it shows...
Differential privacy (DP) is a popular technique for protecting individual privacy and at the same for releasing data for public use. However, very few research efforts are devoted to the balance between the corresponding risk of data disclosure (RoD) and data utility. In this paper, we propose data-driven approaches for differentially private data release to evaluate RoD, and offer algorithms to...
Enterprises and governments around the world have been attempting to leverage intelligence from the community by making formally in-house database available to the public for analyzing. The released data was often "anonymized": sensitive attributes were removed from the dataset for privacy protection. However it is proved that masking sensitive attributes alone is not adequate for data protection...
Differential privacy is a recent notion of data privacy protection, which does not matter even when an attacker has arbitrary background knowledge in advance. Consequently, it is viewed as a reliable protection mechanism for sensitive information. Differential privacy introduces Laplace noise to hide the true value in a dataset while preserving statistic properties. However, the large amount of Laplace...
Founded in February 2007, the aim of the Research Center for Information Technology Innovation (CITI) at Academia Sinica is to integrate research and development efforts in information technologies by various organizations in Academia Sinica, and also to facilitate and leverage IT-related multidisciplinary research. As a integral part of CITI, Taiwan Information Security Center (TWISC) to conduct...
The Taiwan Information Security Center (TWISC) was initiated as a research program in April 2005 and funded by the Ministry of Science and Technology for the past few years. TWISC pulls together experts in information security from various universities and research institutes in Taiwan with an aim to boost research and development activities in information security, promote public awareness, and foster...
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