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Physical Sciences and Mathematics Commons

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Full-Text Articles in Physical Sciences and Mathematics

Unsupervised Learning To Improve Anomaly Detection, Daniel H. Garrette '06 Apr 2006

Unsupervised Learning To Improve Anomaly Detection, Daniel H. Garrette '06

Honors Projects

An intrusion detection system (IDS) is used to determine when a computer or computer network is under attack. Most contemporary IDSs operate by defining what an intrusion looks like and checking traffic for matching patterns in network traffic. This approach has unavoidable limitations including the inability to detect novel attacks and the maintenance of a rule bank that must grow with every new intrusion discovered. An anomaly detection scheme attempts to define what is normal so that abnormal traffic can be distinguished from it. This thesis explores the ways that an unsupervised technique called "clustering" can be used to distinguish …


Limits Of Diagonalization And The Polynomial Hierarchy, Kyle Barkmeier '06 Jan 2006

Limits Of Diagonalization And The Polynomial Hierarchy, Kyle Barkmeier '06

Honors Projects

Determining the computational complexity of problems is a large area of study. It seeks to separate these problems into ones with "efficient" solutions, and those with "inefficient" solutions. Of course, the strata is much more fine-grain than this. Of special interest are two classes of problems: P and NP. These have been of much interest to complexity theorists for quite some time, because both contain many instances of important real-world problems, and finding efficient solutions for those in NP would be beneficial for computing applications. Yet with all this attention, there are still important unanswered questions about the two classes. …


Rhode Island College Mobile Course Catalog, Lianne Elsner Jan 2006

Rhode Island College Mobile Course Catalog, Lianne Elsner

Honors Projects

Consists of a suite of computer programs written in Visual Basic.net and embedded Visual Basic 3.0, whose purpose is to display the RIC course catalog on a Pocket PC device running Windows Mobile. The program package allows major course requirements and information to be viewed on a single screen. Included is a desktop computer program which allows faculty and staff to make changes to the database of courses.