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Physical Sciences and Mathematics Commons

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Full-Text Articles in Physical Sciences and Mathematics

Toward Improving Performance Measurement In Public Sector Organizations, Matthew Thomas Kutz Jan 2007

Toward Improving Performance Measurement In Public Sector Organizations, Matthew Thomas Kutz

Masters Theses

"The objective of this research is to investigate various means of improving the performance measurement methods for public sector organizations. A case study is conducted using data from the Missouri Department of Transportation (MoDOT). As a government organization, MoDOT must publish measurements of its performance for the general public and for the legislators who provide funding. Currently, MoDOT produces a quarterly publication, called the Tracker, for performance measurement reporting. This research hypothesizes that the Tracker is not an effective performance measurement system and stakeholders of MoDOT would benefit from a more concise and pointed report of MoDOT performance. A software …


An Open Framework For Highly Concurrent Hardware-In-The-Loop Simulation, Ryan C. Underwood Jan 2007

An Open Framework For Highly Concurrent Hardware-In-The-Loop Simulation, Ryan C. Underwood

Masters Theses

"Hardware-in-the-loop (HIL) simulation is becoming a significant tool in prototyping complex, highly available systems. The HIL approach allows an engineer to build a physical system incrementally by enabling real components of the system to seamlessly interface with simulated components. It also permits testing of hardware prototypes of components that would be extremely costly to test in the deployed environment. Key issues are the ability to wrap the systems of equations (such as Partial Differential Equations) describing the deployed environment into real-time software models, provide low synchronization overhead between the hardware and software, and reduce reliance on proprietary platforms. This thesis …


Sensor Network Coverage And Data Aggregation Problem: Solutions Toward The Maximum Lifetime, Li Yin Jan 2007

Sensor Network Coverage And Data Aggregation Problem: Solutions Toward The Maximum Lifetime, Li Yin

Masters Theses

"In the coverage problem, an optimal solution is proposed for the maximum lifetime sensor scheduling problem, which could find the upper bound of a sensor network's lifetime. This research reveals the relationship between the degree of redundancy in sensor deployment and achievable extension on network lifetime, which can be a useful guide for practical sensor network design"--Introduction, page 4.


A Quantitative Study Of Gene Identification Techniques Based On Evolutionary Rationales, Cyriac Kandoth Jan 2007

A Quantitative Study Of Gene Identification Techniques Based On Evolutionary Rationales, Cyriac Kandoth

Masters Theses

"Current gene identification (GI) techniques typically rely on matching biological or chemical properties of specific genes, specific species, specific ecotypes, etc...In this thesis, a new automated GI technique is proposed, and compared against another computer-based technique proposed earlier. Both methods utilize EST data available from NCBI databases to discover previously unknown genes. The newly proposed method identifies one gene family at a time and is based on a distinctive negative selection pattern (NSP) of differences, which is seen between the coding regions of gene family members. The other technique, called ESTminer, attempts genome-wide gene family identification for any organism, by …


An Exploratory Study Of The Videoblogger's Community, John Warmbrodt Jan 2007

An Exploratory Study Of The Videoblogger's Community, John Warmbrodt

Masters Theses

"Videoblogs (vlogs) have emerged as a new form of virtual community. The goal of this study was to explore and understand the videoblogger community by studying the community's structure and the motivations of vloggers"--Abstract, page iii.


Management Of An Intelligent Argumentation Network For A Web-Based Collaborative Engineering Design Environment, Man Zheng Jan 2007

Management Of An Intelligent Argumentation Network For A Web-Based Collaborative Engineering Design Environment, Man Zheng

Masters Theses

"Conflict resolution is one of the most challenging tasks in collaborative engineering design. In the previous research, a web-based intelligent collaborative system was developed to address this challenge based on intelligent computational argumentation. However, two important issues were not resolved in that system: priority of participants and self-conflicting arguments. In this thesis, two methods are developed for incorporating priorities of participants into the computational argumentation network: 1) weighted summation and 2) re-assessment of strengths of arguments based on priority of owners of the argument using fuzzy logic inference. In addition, a method for detection of self-conflicting arguments was developed"--Abstract, page …


A Light-Weight Middleware Framework For Fault-Tolerant And Secure Distributed Applications, Ian Jacob Baird Jan 2007

A Light-Weight Middleware Framework For Fault-Tolerant And Secure Distributed Applications, Ian Jacob Baird

Masters Theses

"This thesis outlines the design, implementation, and performance of a lightweight middleware framework for interprocess communication with an update log propagation algorithm. The system was designed and implemented using a point-to-point based lightweight middleware framework and compared to a similar system implemented utilizing CORBA--Abstract, page iii.