Data represent today a valuable asset for companies and organizations and must be protected. Most of an organization's sensitive and proprietary data resides in a Database Management System (DBMS). The focus of this thesis is to develop advanced security solutions for protecting the data...

ABSTRACTFILTER SCHEDULING FUNCTION MODEL IN INTERNET SERVER:RESOURCE CONFIGURATION, PERFORMANCE EVALUATION ANDOPTIMAL SCHEDULINGbyMINGHUA XUAugust 2010Advisor: Dr. Cheng-Zhong XuMajor: Computer EngineeringDegree: Doctor of PhilosophyInternet traffic often exhibits a structure with rich...

The electric power grid forms the foundation for several other critical infrastructures of national importance such as public health, transportation and telecommunication systems, to thrive. The current power grid runs on the century-old technology and faces serious challenges of the 21st...

In deformation based morphometry (DBM) group-wise differences in brain structure are measuredusing deformable registration and some form of statistical test. However, it is known that DBMresults are sensitive to both the registration method and statistical test used. Given the lack of...

We consider a network in which several service providers offer wireless access service to their respective subscribed customers through potentially multi-hop routes. If providers cooperate, i.e., pool their resources, such as spectrum and base stations, and agree to serve each others' customers,...

In distributed systems users often need to share sensitive data with other usersbased on the latter's ability to satisfy various policies. In many cases the data ownermay not even know the identities of the data recipients, but deems it crucial that theyare legitimate; i.e., satisfy the policy....

With the increase of requesting personal information online, unauthorized disclosure of user privacy is a significant problem faced by todayâs Internet. As a typical identity theft, phishing usually employs fraudulent emails and spoofed web sites to trick unsuspecting users into divulging their...

The deregulation of the Electricity Sector in US has led to a tremendous increase in the inter-regional wholesale electricity trade between neighboring utilities or regions. For instance, the generation deficit regions may choose to import power from surplus regions; thus the wholesale...

Asset classes respond differently to shifts in financial markets, thus an investor can minimize the risk of loss and maximize return of his portfolio by diversification of assets. Increasing the number of diversified assets in a financial portfolio significantly improves the optimal allocation...

Covariance models are a powerful description of non-coding RNA (ncRNA) families that can be used to search nucleotide databases for new members of these ncRNA families. Currently, estimation of the parameters of a covariance model (state transition and emission scores) is based only on the...