Browsing Theses by Author "GUO, QIANG"
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Secrecy Resilience of Authorization Policies and Its Application to Role Mining
GUO, QIANG (University of Waterloo, 2021-09-21)We propose and study a new property that we call secrecy resilience in the context of authorization policies that are used to secure information systems. An authorization policy expresses whether a principal (e.g., a user ... -
Some Aspects of Arsenic and Antimony Geochemistry in High Temperature Granitic Melt – Aqueous Fluid System and in Low Temperature Permeable Reactive Barrier – Groundwater System
Guo, Qiang (University of Waterloo, 2008-02-11)Arsenic and antimony are important trace elements in magmatic-hydrothermal systems, geothermal systems and epithermal deposits, but their partitioning behavior between melt and aqueous fluid is not well understood. The ...