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2005

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Assessing The Effectiveness Of Descriptive And Experimental Analyses To Identify Variables Influencing Problem Behavior In Domestic Dogs, Susan D. Kapla Dec 2005

Assessing The Effectiveness Of Descriptive And Experimental Analyses To Identify Variables Influencing Problem Behavior In Domestic Dogs, Susan D. Kapla

Graduate Theses, Dissertations, and Problem Reports (ETD)

Problem behavior in dogs is a concern for pet owners. Many contemporary approaches to intervention first involve a process of diagnosis and classification which is often structural in nature. An accurate diagnosis is considered essential for effective treatment, however, outcome data validating the efficacy of this procedure are dubious. The success of strategies used to assess and treat behavior problems that identify behavioral function in humans (functional assessment), however, suggests the potential utility of such techniques in the assessment and treatment of behavior problems in dogs. Therefore, two separate assessments were conducted to identify and manipulate variables affecting problem behavior …

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Maximum Size T-Cross-Intersecting And Intersecting Families With Degree Conditions, Yongbin Ou Dec 2005

Maximum Size T-Cross-Intersecting And Intersecting Families With Degree Conditions, Yongbin Ou

Graduate Theses, Dissertations, and Problem Reports (ETD)

We present four main results: (1) A solution to the problem of finding two set systems A and B such that A is r1-intersecting, B is r2-intersecting, A,B are t-cross-intersecting and A+ B is a maximum; (2) A solution to the problem of finding two set systems A and B such that A,B are Sperner, t-cross-intersecting and A+ B is a maximum; (3) A solution to the problem of finding the maximum size of an intersecting set system F such that the complementary degree c( F ) = s for a specified value s; (4) An asymptotic result on the …

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Cellular Mechanisms Of Luteal Regression In The Bovine Corpus Luteum (Cl), Aritro Sen Dec 2005

Cellular Mechanisms Of Luteal Regression In The Bovine Corpus Luteum (Cl), Aritro Sen

Graduate Theses, Dissertations, and Problem Reports (ETD)

The corpus luteum (CL) is a transient endocrine gland that produces progesterone (P4) for the establishment and maintenance of pregnancy. In absence of pregnancy, timely regression of the CL is essential for normal ovarian cyclicity. Several factors are known to participate in luteal regression. In this study, two factors, PGF2 alpha and endothelin (ET-1) are being studied. Protein kinase C (PKC) and calcium are the two main intracellular mediators of PGF2 alpha. The role of ET-1 in the regulation of luteal regression is unclear. The early CL is insensitive to the luteolytic actions of PGF2 alpha and the cellular mechanism(s) …

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Stability Monitoring And Analysis Of Online Learning Neural Networks, Sampath Yerramalla Dec 2005

Stability Monitoring And Analysis Of Online Learning Neural Networks, Sampath Yerramalla

Graduate Theses, Dissertations, and Problem Reports (ETD)

On-line adaptation using soft-computational learning methods is on the rise for use in safety-critical applications such as fault-tolerant flight control, maintenance of distributed networks, implementation of high security devices, etc. The inapplicability of traditional analysis methods is limiting the wider use of soft-computational learning methods in safety-critical applications that involve online adaptation. The focus of the research is the development of non-conventional analysis techniques for the testing, verification, validation and analysis of adaptive learning components such as the online learning neural networks.;Our research considers stability of online adaptation as a heuristic measure of correctness in the operation of the adaptive …

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Functional Evaluation Of Cytochrome P450 2d6 Allelic Isoforms, Weiyan Zhang Dec 2005

Functional Evaluation Of Cytochrome P450 2d6 Allelic Isoforms, Weiyan Zhang

Graduate Theses, Dissertations, and Problem Reports (ETD)

Human CYP2D6 is one of the most important human P450s based on the number of its drug substrates. It shows an extensive genetic polymorphism that influences its expression and function. There are more than 80 different CYP2D6 alleles and allelic variants that have been identified in human. However, only a part of alleles have been characterized with respect to enzyme activity and substrate specificity. In the first project, three alleles CYP2D6*24 (1297L), CYP2D6*27 (E410K) and CYP2D6*26 (I369T) were constructed and expressed. The enzymatic activities were evaluated by the metabolic rates for dextromethorphan O-demethylation and N-demethylation; codeine O-demethylation and N-demethylation. For …

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Adoption Of Resource -Conserving Agricultural Technologies: An Economic And *Policy Analysis For South Africa, Daniel Vusanani Dlamini Dec 2005

Adoption Of Resource -Conserving Agricultural Technologies: An Economic And *Policy Analysis For South Africa, Daniel Vusanani Dlamini

Graduate Theses, Dissertations, and Problem Reports (ETD)

Land degradation continues to be a threat to the agricultural sector of South Africa. Land degradation induced by agricultural production activities is considered to be among the major factors responsible for a decline in land productivity. Conservation efforts through government intervention and voluntary efforts have produced minimal success compared to the desired targets. The purpose of this study is to understand the factors that influence the adoption decisions of resource conserving technologies in the context of commercial farmers in South Africa.;Adoption of conservation-oriented agricultural technologies in South Africa is influenced by a wide range of economic and social factors, and …

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The Use Of Charge -Charge Correlation In Impedance Measurements: A Test Of The Epet Method, Christopher W. Gregory Dec 2005

The Use Of Charge -Charge Correlation In Impedance Measurements: A Test Of The Epet Method, Christopher W. Gregory

Graduate Theses, Dissertations, and Problem Reports (ETD)

It is well known that biological tissues possess impedance properties that might be useful in medical diagnostics and treatment. Electrical Impedance Tomography (EIT) images internal electrical properties by using numerical methods to solve Laplace's differential equation. The indirect reconstruction method (IRM), a common method in application, predicts internal electrical property distribution by iteratively computing a forward and inverse solution. This approach reduces the non-linear Laplace's equation into a poorly conditioned series of linear equations, which are solved simultaneously. This method suffers from high computational effort and is susceptible to prediction errors that stem from measurement noise.;As an alternative to Laplace's …

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Handcuffed Hegemony: International Restraint In Unbalanced Systems, Mark E. Schaefer Dec 2005

Handcuffed Hegemony: International Restraint In Unbalanced Systems, Mark E. Schaefer

Graduate Theses, Dissertations, and Problem Reports (ETD)

This work contends that the current systemic view of hegemonic systems is incorrect. On one hand hegemonic actors are conceptualized as omnipotent actors that can mold the system to best reflect its goals. Still, others illustrate that such unipolar systems can never be achieved, or at best exist for a short time as other powers move to rebalance the international system. Mearsheimer illustrates a more realistic approach, that unbalanced multipolar systems can exist, in which a larger state is present in a traditional multipolar system, not a traditional vertical authority structure. He contends that such a system is transient, for …

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Understanding Mindfulness: Implications For Instruction And Learning, Todd Lyle Stoops Dec 2005

Understanding Mindfulness: Implications For Instruction And Learning, Todd Lyle Stoops

Graduate Theses, Dissertations, and Problem Reports (ETD)

This Dissertation examines the literature concerning Mindfulness as it relates to Educational Psychology and overviews a research study conducted to add empirical research on Mindfulness instruction and learning. The literature review is divided into three categories of Mindfulness which are defined and discussed according to applications and implications for education. These three categories are (a) Mindfulness as a meditative practice for teachers and in its use in teacher education programs, (b) clinical and therapeutic applications of Mindfulness in contemporary psychology, and (c) Mindfulness in Educational Psychology. Established constructs from the literature of psychology and education are related to the concepts …

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Strategies Nurse Educators Use To Integrate Computer -Assisted Instruction Into Their Courses To Teach Clinical Decision-Making, Beverly J. Schaefer Dec 2005

Strategies Nurse Educators Use To Integrate Computer -Assisted Instruction Into Their Courses To Teach Clinical Decision-Making, Beverly J. Schaefer

Graduate Theses, Dissertations, and Problem Reports (ETD)

The strategies nurse educators' use to integrate computer-assisted instruction (CAI) designed to teach clinical decision-making into their courses were investigated to determine their frequency of use and effectiveness. The "Integration of CAI Questionnaire," an on-line electronic survey designed by the investigator, was used to collect data. A stratified randomly-selected group of 109 schools of nursing that was a statistically representative mix of baccalaureate (BSN), associate (AD) and diploma schools from each of six geographic regions of the United States comprised the sample.;The study questions were as follows: (1) What integration strategies have nurse educators used to integrate CAI? (2) How …

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Towards Large Eddy Simulation Of Dispersed Gas -Liquid Two-Phase Turbulent Flows, Gusheng Hu Dec 2005

Towards Large Eddy Simulation Of Dispersed Gas -Liquid Two-Phase Turbulent Flows, Gusheng Hu

Graduate Theses, Dissertations, and Problem Reports (ETD)

This study presents a detailed investigation of all essential components of computational and modeling issues necessary for a successful large-eddy simulation (LES) of dispersed two-phase turbulent flows. In particular, a two-layer concept is proposed to enable the LES capability in two-phase flows involving dispersed bubbles that are relatively large compared to the mesh size. The work comprises three major parts.;Part I focuses on the development and verification of a transient, three-dimensional, finite-volume-method (FVM) based accurate Navier-Stokes solver, named DREAM II (second generation of the DREAM code). Several high-order schemes are implemented for both the spatial and temporal discretization. Solution of …

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Effectiveness Of The "Common" Method In Balancing Exhaust Ventilation Systems, Vivek Balasubramanian Dec 2005

Effectiveness Of The "Common" Method In Balancing Exhaust Ventilation Systems, Vivek Balasubramanian

Graduate Theses, Dissertations, and Problem Reports (ETD)

Dampers are used to adjust the distribution of airflows in duct systems. The "common"(i.e., most commonly used) method is to adjust each damper in turn so that the airflow through its branch equals the desired level. Typically, the airflow through each branch duct is estimated from the centerline velocity pressure. To test the effectiveness of that approach, dampers were adjusted on a seven branch, full-sized experimental duct system. After adjusting the dampers for a given condition, the percent excess airflow (%Qexcess) for the system was estimated as the amount above the ideal fan airflow that would exist if the fan …

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Characterization And Investigation Of Molybdenum Carbides On Activated Carbon As Hydrogenation Catalysts, Christopher H. Clark Dec 2005

Characterization And Investigation Of Molybdenum Carbides On Activated Carbon As Hydrogenation Catalysts, Christopher H. Clark

Graduate Theses, Dissertations, and Problem Reports (ETD)

The formation of Mo2C and MoC supported on activated carbon was investigated in three different flowing reaction gas environments: H2, He, and CO. Additionally, benzene hydrogenation activity was studied for the catalysts reduced in each of these three different gas environments.;It was found through in-situ x-ray diffraction (XRD) that reducing in H2, ammonium heptamolybdate impregnated on activated carbon yielded 1-3 nm Mo2C particles. When the same material was calcinced in inert, 9 nm Mo2C particles were formed. If the reduction gas were CO, MoC particles having size less than 3 nm were formed. In all three reduction environments, the in-situ …

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Assessment Of Application, Effectiveness, And Compliance Of Forestry Best Management Practices In West Virginia, William A. Goff Dec 2005

Assessment Of Application, Effectiveness, And Compliance Of Forestry Best Management Practices In West Virginia, William A. Goff

Graduate Theses, Dissertations, and Problem Reports (ETD)

The application, effectiveness, and compliance of forestry best management practices (BMPs) were assessed based on 116 randomly selected sites harvested between November 2003 and March 2004 in West Virginia. Landowners were contacted to gain permission for site visits according to the random list. The landowners were also asked a series of questions to identify their knowledge and satisfaction about the harvest and BMPs. A series of eight checklists were used to assess 26 BMPs on haul roads, skid trails, landings, and in streamside management zones (SMZs). Thirty three out of 116 sites with SMZs were further evaluated for BMP applications …

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Ozone Forming Potential Of Exhaust Emissions From Heavy-Duty Diesel Engines, Ravi Kaklasaria Dec 2005

Ozone Forming Potential Of Exhaust Emissions From Heavy-Duty Diesel Engines, Ravi Kaklasaria

Graduate Theses, Dissertations, and Problem Reports (ETD)

This research aimed at determining the effect of exhaust aftertreatment devices and ultra low sulfur diesel (ULSD) fuel on the reactivity of exhaust emissions from heavy duty diesel (HDD) engines. Specifically, the objective of this research was to determine the effect of two diesel particulate filters: Engelhard DPX(TM) and Johnson Matthey CRT(TM), and two ULSD fuels, ECD and ECD1 on the ozone forming potential (OFP) of exhaust emissions from HDD engines. To achieve this objective, data was obtained from the "ECD Study" performed in the Spring 2001 to chemically characterize emissions from trucks and buses operating on the two test …

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Optical Detection Of Multiple Faults Of A Mems Based Linear Comb Resonator, Lakshmi Deepasree Konduparthi Dec 2005

Optical Detection Of Multiple Faults Of A Mems Based Linear Comb Resonator, Lakshmi Deepasree Konduparthi

Graduate Theses, Dissertations, and Problem Reports (ETD)

Investigating the dynamic behavior of any Micro Electro Mechanical system is critical for better control and fault prediction. Linear Comb Resonator is one such MEMS generic device that exhibits motion parallel to the plane of the chip. The dynamic motion of the Linear Comb Resonator is characterized by various parameters such as mass, force applied and also the stiffness constant of the flexure that holds the device. The aim of the project is to determine the changes caused by the asymmetry in the flexure design and the fluctuations in the behavior of the resonator due to this. The changes in …

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Computer Aided Detection Of Defects In Frp Bridge Decks Using Infrared Thermography, Gajanan M. Lonkar Dec 2005

Computer Aided Detection Of Defects In Frp Bridge Decks Using Infrared Thermography, Gajanan M. Lonkar

Graduate Theses, Dissertations, and Problem Reports (ETD)

The objective of this research is to develop a turn-key system that is able to interface with the FLIR ThermaCAM S60 infrared camera and automatically capture and analyze defects in infrared images of FRP bridge decks. Infrared thermography is one of the nondestructive evaluation (NDE) techniques that are being used to locate defects (debonds and delaminations) in bridge components. It is a rapid data collection and interpretation technique having high sensitivity and reliability. Analysis of infrared images by human interpretation is dependent on the users knowledge and hence introduces ambiguity in the defect detection process.;This thesis investigates the use of …

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Characterization Of Web Server Workload, Amit Sangle Dec 2005

Characterization Of Web Server Workload, Amit Sangle

Graduate Theses, Dissertations, and Problem Reports (ETD)

Realistic and formal mathematical description of web-server workload forms a fundamental step in the design of synthetic workload generators, capacity planning and accurate predictions of performance measures. In this thesis we perform detailed empirical analysis of the web workload by analyzing access logs of nine web-servers. Unlike most previous work that focused on request-based workload characterization, we analyze both request and session characteristics. We perform rigorous statistical analysis to determine the self-similarity of web traffic and heavy-tailedness of the distribution of different session parameters. Our analysis shows that web traffic is self-similar and the degree of self-similarity is proportional to …

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Software Tools For Real-Time Simulation And Control, Raghu Sankarayogi Dec 2005

Software Tools For Real-Time Simulation And Control, Raghu Sankarayogi

Graduate Theses, Dissertations, and Problem Reports (ETD)

The objective of this thesis is to design and simulate a multi-agent based energy management system for a shipboard power system in hard real-time environment. The automatic reconfiguration of shipboard power systems is essential to improve survivability. Multi-agent technology is used in designing the reconfigurable energy management system using a self-stabilizing maximum flow algorithm. The agent based energy management system is designed in a Matlab/Simulink environment. Reconfiguration is performed for several situations including start-up, loss of an agent, limited available power, and distribution to priority ranked loads. The number of steps taken to reach the global solution and the time …

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Reconstruction Of Fingerprints From Minutiae Points, Jidnya A. Shah Dec 2005

Reconstruction Of Fingerprints From Minutiae Points, Jidnya A. Shah

Graduate Theses, Dissertations, and Problem Reports (ETD)

Most fingerprint authentication systems utilize minutiae information to compare fingerprint images. During enrollment, the minutiae template of a user's fingerprint is extracted and stored in the database. In this work, we concern ourselves with the amount of fingerprint information that can be elicited from the minutiae template of a user's fingerprint. We demonstrate that minutiae information can reveal substantial details such as the orientation field and class of the (unseen) parent fingerprint that can potentially be used to reconstruct the original fingerprint image.;Given a minutiae template, the proposed method first estimates the orientation map of the parent fingerprint by constructing …

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Ensemble Learning For Ranking Interesting Attributes, Erik W. Sinsel Dec 2005

Ensemble Learning For Ranking Interesting Attributes, Erik W. Sinsel

Graduate Theses, Dissertations, and Problem Reports (ETD)

Machine learning knowledge representations, such as decision trees; are often incomprehensible to humans. They can also contain errors specific to the representation type and the data used to generate them. By combining larger; less comprehensible decision trees, it is possible to increase their accuracy as an ensemble compared to the best individual tree. The thesis examines an ensemble learning technique and presents a unique knowledge elicitation technique which produces an ordered ranking of attributes by their importance in leading to more desirable classifications. The technique compares full branches of decision trees, finding the set difference of shared attributes. The combination …

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Investigation Of Internal Fluid Pressure In Cells, Jayendran Srinivasan Dec 2005

Investigation Of Internal Fluid Pressure In Cells, Jayendran Srinivasan

Graduate Theses, Dissertations, and Problem Reports (ETD)

Articular cartilage is a connective tissue that covers the ends of bones in joints, providing a nearly frictionless bearing surface for efficiently transmitting loads to the underlying joint. It is made up of specialized cells called chondrocytes that are responsible for its growth and maintenance. Studies indicate that cells remodel the tissue in response to mechanical loading. However the mechanism by which cells sense and respond to mechanical signals is poorly understood.;Studies also suggest the presence of internal fluid pressure in cells and change in this fluid pressure is believed to play a role in cellular mechanical signal transduction. This …

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Prosody In Text-To-Speech Synthesis Using Fuzzy Logic, Jonathan Brent Williams Dec 2005

Prosody In Text-To-Speech Synthesis Using Fuzzy Logic, Jonathan Brent Williams

Graduate Theses, Dissertations, and Problem Reports (ETD)

For over a thousand years, inventors, scientists and researchers have tried to reproduce human speech. Today, the quality of synthesized speech is not equivalent to the quality of real speech. Most research on speech synthesis focuses on improving the quality of the speech produced by Text-to-Speech (TTS) systems. The best TTS systems use unit selection-based concatenation to synthesize speech. However, this method is very timely and the speech database is very large. Diphone concatenated synthesized speech requires less memory, but sounds robotic. This thesis explores the use of fuzzy logic to make diphone concatenated speech sound more natural. A TTS …

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Search For Lepton-Flavor Violation At Hera, S. Chekanov, M. Derrick, S. Magill, S. Miglioranzi, B. Musgrave, J. Repond, R. Yoshida, Margarita C. K. Mattingly, N. Pavel, A. G. Yagües Molina, P. Antonioli, G. Bari, M. Basile, L. Bellagamba, D. Boscherini, A. Bruni, G. Bruni, G. Cara Romeo, L. Cifarelli, F. Cindolo, A. Contin, M. Corradi, S. De Pasquale, P. Giusti, G. Iacobucci, A. Margotti, A. Montanari, R. Nania, F. Palmonari, A. Pesci, A. Polini Dec 2005

Search For Lepton-Flavor Violation At Hera, S. Chekanov, M. Derrick, S. Magill, S. Miglioranzi, B. Musgrave, J. Repond, R. Yoshida, Margarita C. K. Mattingly, N. Pavel, A. G. Yagües Molina, P. Antonioli, G. Bari, M. Basile, L. Bellagamba, D. Boscherini, A. Bruni, G. Bruni, G. Cara Romeo, L. Cifarelli, F. Cindolo, A. Contin, M. Corradi, S. De Pasquale, P. Giusti, G. Iacobucci, A. Margotti, A. Montanari, R. Nania, F. Palmonari, A. Pesci, A. Polini

Faculty Publications

A search for lepton-flavor-violating interactions ep → μX and ep → τX has been performed with the ZEUS detector using the entire HERA I data sample, corresponding to an integrated luminosity of 130 pb-1. The data were taken at center-of-mass energies, √s, of 300 and 318 GeV. No evidence of lepton-flavor violation was found, and constraints were derived on leptoquarks (LQs) that could mediate such interactions. For LQ masses below √s, limits were set on λeq1 √β ℓq, where λeq1 is the coupling of the LQ to an electron and a first-generation quark q1, and βℓq is the branching ratio …

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America And China: Cultural Differences In Online Learning Motivation, Zongxiang Mei Dec 2005

America And China: Cultural Differences In Online Learning Motivation, Zongxiang Mei

Graduate Theses, Dissertations, and Problem Reports (ETD)

There are learning motivation differences among students from different countries. And differences between American and Korean online learners were identified. This study was to identify whether American and Chinese online learners' motivation differed and what were the learner characteristics that affected the motivation of online learners. This study was conducted in May-June, 2005, West Virginia University, the United States of America, and Fudan University, China. Findings revealed that there was a significant difference in learning motivation between the U.S. and Chinese online learners. And there were some learner characteristics affected the learning motivation of online learners as well, such as …

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The Influence Of Humanism On The Handwriting Of Michelangelo Buonarroti, Robert J. Tallaksen Dec 2005

The Influence Of Humanism On The Handwriting Of Michelangelo Buonarroti, Robert J. Tallaksen

Graduate Theses, Dissertations, and Problem Reports (ETD)

The handwriting of Michelangelo Buonarroti underwent a distinct and permanent change between 1497 and 1502. The handwriting of his early letters of 1496 and 1497 is merchantescha, the gothic cursive mercantile script which he would have learned at school. The later handwriting is cancellarescha, a humanistic cursive. It is present in letters, contracts, memoranda, records of accounts, and in annotations on drawings. Both scripts as written by Michelangelo are analyzed paleographically and are compared to examples from instructional writing books of the period. The impossibility of evolution from one script to the other is demonstrated through analysis of the scripts …

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Production Of Conjunctions And T-Units By The Elderly, Benjamin Haymond Dec 2005

Production Of Conjunctions And T-Units By The Elderly, Benjamin Haymond

Graduate Theses, Dissertations, and Problem Reports (ETD)

Recent research indicates a change in healthy elderly adult language capabilities. More specifically, Shadden (1997) and Ryan (1996) state that language competence is less affected by the processes of aging than production. The topic of this research examined specifically the production of conjunctions from the perspective of Halliday and Hasan (1976) in procedural and narrative discourse by the elderly. The hypothesis stated that the relationship between age and conjunctions produced would be non-significant. In a cross-sectional study, 17 subjects between the ages of 60-86 were interviewed and the transcripts analyzed.;Results supported the hypothesis of a non-significant relationship between age and …

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Economics Of Information Security - Developing A Model For Information Security Cost Minimization, Solomon Ogara Dec 2005

Economics Of Information Security - Developing A Model For Information Security Cost Minimization, Solomon Ogara

Masters Theses & Doctoral Dissertations

In an increasingly global environment, any organization and or individual who seek to make a positive difference cannot ignore the need for an information strategy that would position them to be winners rather than losers in the market place. Given the growing scarcity of resources, such a strategy has to be carefully planned in such a way that it is cost effective and financially sustainable. The internal security measures should be such that they don't consume the resources of the organization and leave it unable to build a sustainable information security base. On the other hand there is always the …

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Selecting And Implementing A Large Scalable File System At Mayo Clinic, Charles S. Brust Dec 2005

Selecting And Implementing A Large Scalable File System At Mayo Clinic, Charles S. Brust

Masters Theses & Doctoral Dissertations

In the healthcare field, information is paramount to making correct decisions. Thus, healthcare organizations have historically kept all possible data, and applied it toward diagnosis, and later to research. In past years, the storage of these records meant large warehouses filled with folders of papers. In the early 1990s, healthcare companies began a conversion to electronic medical record keeping. With this conversion the stacks of records took on a new form: millions of files spread over many servers. The proliferation of these files has, over time, become unmanageable due to the large volume and the aging of support infrastructure. As …

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Website Development For E-Gardening Nursery Online Store, Jun Mou Dec 2005

Website Development For E-Gardening Nursery Online Store, Jun Mou

Masters Theses & Doctoral Dissertations

This project successfully develops a web-based database-driven information system (an E-commerce website) with good quality. This website is developed for a small virtual online store and the key goal of this project is that the project must be completed at quite low developing cost. The project design and implementation are superior, because the project goal is very well achieved at a very low developing cost, by appropriately using some high-quality open­source resources (such as MySQL, JSP, Java Servlet, and Tomcat server). This website also realizes quite low maintenance cost, because of its effective "code-reuse implementation". In addition, the whole project …

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