Zhicong Huang

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Differential privacy (DP) has become widely accepted as a rigorous definition of data privacy, with stronger privacy guarantees than traditional statistical methods. However, recent studies have shown that for reasonable privacy budgets, differential privacy significantly affects the expected utility. Many alternative privacy notions which aim at relaxing(More)
Secure storage of genomic data is of great and increasing importance. The scientific community's improving ability to interpret individuals' genetic materials and the growing size of genetic database populations have been aggravating the potential consequences of data breaches. The prevalent use of passwords to generate encryption keys thus poses an(More)
OBJECTIVE To determine if image-guided robotic stereotactic radiosurgery (IGR-SRS) by CyberKnife achieves acceptable local control in resectable but medically inoperable patients with non-small cell lung cancer (NSCLC) or pulmonary metastasis, and to evaluate control rates and toxicity. METHODS Treatment details and outcomes were reviewed for 95 patients(More)
As genomic data becomes widely used, the problem of genomic data privacy becomes a hot interdisciplinary research topic among geneticists, bioinformaticians and security and privacy experts. Practical attacks have been identified on genomic data, and thus break the privacy expectations of individuals who contribute their genomic data to medical research, or(More)
The web content is the main source of information for many users. However, due to the open nature of today's web anyone can produce and publish content, which, as a result, is not always reliable. As such, mechanisms to evaluate the web content credibility are needed. In this paper, we describe CredibleWeb, a prototype crowdsourcing platform for web content(More)
Motivation Due to the limited power of small-scale genome-wide association studies (GWAS), researchers tend to collaborate and establish a larger consortium in order to perform large-scale GWAS. Genome-wide association meta-analysis (GWAMA) is a statistical tool that aims to synthesize results from multiple independent studies to increase the statistical(More)
A robotic exoskeleton with adjustable robot behavior is proposed in this paper. The assistive exoskeleton helps the people to execute the task and optimizes the system's performance. We propose a novel adaptive impedance control for the robotic exoskeleton, whose end-effector's motions are prescribed by the relative trajectory and constrained by the(More)
In clinical genomics, the continuous evolution of bioinformatic algorithms and sequencing platforms makes it beneficial to store patients' complete aligned genomic data in addition to variant calls relative to a reference sequence. Due to the large size of human genome sequence data files (varying from 30 GB to 200 GB depending on coverage), two major(More)
Cloud computing is becoming the preferred solution for efficiently dealing with the increasing amount of genomic data. Yet, outsourcing storage and processing sensitive information, such as genomic data, comes with important concerns related to privacy and security. This calls for new sophisticated techniques that ensure data protection from untrusted cloud(More)