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Graduate Theses, Dissertations, and Problem Reports (ETD)

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A Parametric Study Of In-Line Filter Holders., Glen A. Wilt Jan 2004

A Parametric Study Of In-Line Filter Holders., Glen A. Wilt

Graduate Theses, Dissertations, and Problem Reports (ETD)

With modern diesel engines producing smaller and lighter particulate mass output, the performance of in-line filtering, used to determine emissions of particulate matter (PM), has become less understood. Several factors including filter characteristics, filter holder geometry, exhaust dilution, filter face temperature, and secondary dilution characteristics need to be investigated. This study investigates factors influenced by filter holder geometry. In the past, many loosely designed filter holders were applied to emissions testing. Recently, 40 CFR Part 1065 recommended a standard filter holder design to be used in all emissions tests. However, it is not known if this design is optimal. To …

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Trinetr: An Intrusion Detection Alert Management And Analysis System., Jinqiao Yu Jan 2004

Trinetr: An Intrusion Detection Alert Management And Analysis System., Jinqiao Yu

Graduate Theses, Dissertations, and Problem Reports (ETD)

Intrusion detection system (IDS) is a software system or hardware device deployed to monitor network and host activities including data flows and information accesses etc. to capture suspicious activities. In recent years, IDS has begun to gain wide acceptance as a necessary and worthwhile investment in security. But current IDS products present many flaws including alert flooding, excessive false alerts, isolated alerts, lack of context awareness and security decision support etc. Many of these problems are severely hindering them from being used more efficiently in practice. To make the use of IDS products more efficient and generated alerts more accurate, …

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Multiterminal Relay Networks: Performance Bounds, Protocol Design, And Channel Coding Strategies., Bin Zhao Jan 2004

Multiterminal Relay Networks: Performance Bounds, Protocol Design, And Channel Coding Strategies., Bin Zhao

Graduate Theses, Dissertations, and Problem Reports (ETD)

The combination of silicon scaling and energy-efficient multi-terminal packet radio technology will soon allow low power devices to be embedded virtually everywhere, enabling a wide range of revolutionary applications that will radically change the way that people and devices interact with their environments. Given current trends in the advancement of technology, to engineer useful embedded wireless networks with long lifetimes and massive scale required for many applications, new analytical tools and approaches to protocol design that reflect recent perspectives on wireless networking are necessary. The major objective of this dissertation is to characterize the fundamental performance bounds and devise an …

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A Spatial-Temporal Optimization Approach To Watershed Management: Amd Treatment In The Cheat River Watershed, West Virginia., Xiaobing Zhao Jan 2004

A Spatial-Temporal Optimization Approach To Watershed Management: Amd Treatment In The Cheat River Watershed, West Virginia., Xiaobing Zhao

Graduate Theses, Dissertations, and Problem Reports (ETD)

Most water management studies concentrate on the inter-temporal allocation problem or, more recently, spatial dynamics—but not both. While early spatial-temporal studies focused on the allocation of water quantity, this paper presents an approach to water quality analysis that incorporates both spatial and temporal dynamics in a watershed framework. The model developed is an explicit economic watershed optimization model built upon an underlying water quality model where pollution loads are driven by pollution sources and alternative control strategies. It reflects the spatial aspects of pollution loads and treatment and the way the system reacts over time to management options and natural …

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Leadership Development Of Community College Students: Does Participation In The Phi Theta Kappa Leadership Development Studies Course Have An Effect On The Development Of Leadership Behaviors?, Beverly Wilcox Jan 2004

Leadership Development Of Community College Students: Does Participation In The Phi Theta Kappa Leadership Development Studies Course Have An Effect On The Development Of Leadership Behaviors?, Beverly Wilcox

Graduate Theses, Dissertations, and Problem Reports (ETD)

This study assessed whether participation in the Phi Theta Kappa Leadership Development Studies course had an effect on the leadership behaviors of students at four community colleges from urban and rural geographic locations within the tri-state area of Maryland, Pennsylvania, and West Virginia. The researcher visited the four community colleges and distributed the Kouzes and Posner (1998a) Student Leadership Practices Inventory-Self and a demographic questionnaire to a total population of 92 students. Descriptive statistics, t-tests, and an analysis of variance (ANOVA) were used to analyze the data according to the research questions guiding this study. The major findings indicated that …

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The Influence Attitude Has On Student Achievement In A Developmental College Algebra Course., Michael T. Wilder Jan 2004

The Influence Attitude Has On Student Achievement In A Developmental College Algebra Course., Michael T. Wilder

Graduate Theses, Dissertations, and Problem Reports (ETD)

Faced with unacceptable failure rates in introductory mathematics courses, institutions of higher learning are incorporating methods of placing students into their math courses based upon the students' preexisting math knowledge or skills. West Virginia University is no exception and is currently incorporating a combination of ACT/SAT scores with an internal placement exam to properly place students in the appropriate math course. This method is not working in that failure rates continue to rise in spite of continual increases in placement requirements. Based upon anecdotal evidence by experienced faculty over a ten year period it became clear that factors other than …

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Critical Thinking And Web-Based Education In Maryland Community Colleges: How The Medium Promotes Development., George E. Perry Jan 2004

Critical Thinking And Web-Based Education In Maryland Community Colleges: How The Medium Promotes Development., George E. Perry

Graduate Theses, Dissertations, and Problem Reports (ETD)

Surveys have found that employers want today's community college graduates to be able to work in teams, make decisions, and critically assess job situations. In short they want the students to think critically. Due to the changing demographics, web-based education has become a larger part of college curriculum in the past several years. This research project explored critical thinking in web-based courses offered at Maryland community colleges to determine what courses were being offered by the different academic disciplines, the methods used to promote critical thinking, and the types of critical thinking assessment used in these web-based courses. The content …

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Assessing Family Functioning, Coping Strategies, And Behavioral Functioning: Children With Primary Immunodeficiency Disorders And Kidney Disease., Carrie Piazza-Waggoner Jan 2004

Assessing Family Functioning, Coping Strategies, And Behavioral Functioning: Children With Primary Immunodeficiency Disorders And Kidney Disease., Carrie Piazza-Waggoner

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this study was to examine children's behavioral functioning to two chronic health conditions having received little empirical study in the pediatric psychology literature: primary immunodeficiency disorders (PIDDs) and kidney disease (KD). Children with PIDD are at increased risk for infections, respiratory-related concerns, gastrointestinal difficulties, inflammatory bowel disease, and malignancy. Children with PIDD and KD seem to share many similar experiences (e.g., dialysis or IVIg treatments, frequent invasive medical procedures). As such, these children were compared to each other and to a healthy comparison group. The aims of this study were to: (a) compare the perceptions of children …

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Relationship Marketing Elements In Radio Station Websites, Mark L. Atkinson Dec 2003

Relationship Marketing Elements In Radio Station Websites, Mark L. Atkinson

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this study is to determine whether or not radio station website designers effectively use relationship marketing to achieve the goals of the stations and their websites. The study is a comparison/content analysis of the websites of 150 radio stations, in three different formats, in the top 50 U.S. population centers. This study compared the results of a content analysis with the results of a 2000 Edison/Arbitron survey which asked respondents to rank 14 website features according to what those replying considered important. This study sought to determine whether the more popular features actually appeared on more websites …

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Implementing Software Engineering Practices In Small Industry With A Focus On Requirements Elicitation, James Clifford Fleming Dec 2003

Implementing Software Engineering Practices In Small Industry With A Focus On Requirements Elicitation, James Clifford Fleming

Graduate Theses, Dissertations, and Problem Reports (ETD)

I have been involved in small industry for 33 years and I have seen how the evolution of computers and software has affected small companies striving to grow in their market place by trying to take advantage of an evolving technology. Many times an individual is assigned the task of developing software to fit the company's needs and begins the process without any formal training in the practices of Software Engineering. My Thesis will discuss my evolving skills, gained through my Masters in Software Engineering degree work, as a Software Engineer and how I have been able to implement proper …

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Ersatz, George M. Horton Jr. Dec 2003

Ersatz, George M. Horton Jr.

Graduate Theses, Dissertations, and Problem Reports (ETD)

My work attempts to develop the relationship between optical and formal painting traditions in modernism via the literal surface of the painting and the object or objects represented. They are arranged to create an effect of simultaneous emergence and dissolution. They represent the falsely temporal aspects of the perceived world, the concretization of which only exists in the mind of the viewer. This thesis statement will address issues of surface and illusionism in modern pictorial theory and the importance of perception verses objectification. In addition I will discuss the subject matter, composition, and techniques employed to create the works. I …

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Comparison Of Classification Methods For Perspiration-Based Liveness Algorithm, Sujan T. V. Parthasaradhi Dec 2003

Comparison Of Classification Methods For Perspiration-Based Liveness Algorithm, Sujan T. V. Parthasaradhi

Graduate Theses, Dissertations, and Problem Reports (ETD)

In the modern world there is a need for security. Biometric technologies provide a means for providing this security. Of the many different available biometric technologies, fingerprint recognition is the most popular. As with all security measures, biometric devices may be subject to attacks on the system. Fingerprint scanners may be susceptible to spoofing using artificial materials, or in the worst case, dismembered fingers. Liveness, i.e. to determine whether the introduced biometric is coming from a live source, has been suggested as a means to circumvent attacks that use spoof fingers. It has been shown that water based casting materials …

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National Survey Of Psychological Practices Across Rural And Urban Communities, Craig M. Helbok Dec 2003

National Survey Of Psychological Practices Across Rural And Urban Communities, Craig M. Helbok

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this study was to examine potential differences in the practice of psychology across urban and rural communities. The review of the rural literature suggests that psychologists in rural areas are likely to encounter numerous ethical dilemmas and problems that are related specifically to the characteristics of such communities. To date, however, much of this literature has been based on theory and the individual experiences of practitioners. This study sought to quantify any differences in the practice of psychology across communities for such ethical issues as multiple relationships, competency, burnout, confidentiality, and visibility in the community. A survey …

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Sport Psychology Strategies, Types Of Social Support, And Adherence To Injury Rehabilitation Among University Student -Athletes, Kenneth Tubilleja Dec 2003

Sport Psychology Strategies, Types Of Social Support, And Adherence To Injury Rehabilitation Among University Student -Athletes, Kenneth Tubilleja

Graduate Theses, Dissertations, and Problem Reports (ETD)

The present study examined differences between levels of adherence to athletic injury rehabilitation (SIRAS; Brewer, Van Raalte, Petitpas, Sklar, & Ditmar, 1995) among injured student-athletes on their use of sport psychology strategies (TOPS; Thomas, Murphy, & Hardy, 1999) and their perceived social support (SSS-C; Richman, Rosenfeld, & Hardy, 1993). Relationships between adherence to athletic injury rehabilitation and sport psychology strategies and perceived social support were also investigated. In addition, participants' use and training in sport psychology strategies was explored. The sample consisted of 35 student-athletes from 1 NCAA Division I and 3 Division II institutions who sustained athletic injuries that …

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Impacts On Terrestrial And Streamside Herpetofauna By Mountaintop Removal Mining In Southern West Virginia, Jennifer Mravintz Williams Dec 2003

Impacts On Terrestrial And Streamside Herpetofauna By Mountaintop Removal Mining In Southern West Virginia, Jennifer Mravintz Williams

Graduate Theses, Dissertations, and Problem Reports (ETD)

Mountaintop removal mining, a mining technique used in the Appalachian Mountains of West Virginia and nearby states, converts mature forests to grassland and shrub-pole habitats. I sampled terrestrial herpetofauna using drift fences with pitfalls and funnel traps from 2000--2002 to evaluate habitat use of unmined native habitat (intact forest), mined habitat (reclaimed grassland, reclaimed shrub-pole habitat, and fragmented forest), and early successional off-mine habitats that were created by other types of disturbance and were structurally similar to reclaimed grasslands and reclaimed shrubpole habitats. I searched transects in valley fill and reference streams from 2001--2002 to evaluate impacts of valley fill …

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Model Predictive Control Design For Load Frequency Control Problem, Nedzad Atic Dec 2003

Model Predictive Control Design For Load Frequency Control Problem, Nedzad Atic

Graduate Theses, Dissertations, and Problem Reports (ETD)

Load Frequency Control (LFC) is a mechanism by which power generation and power demand are balanced.;Model Predictive Control (MPC) has been widely accepted as a viable control strategy in the process industry. It is a model based control strategy where an optimization procedure is performed in every sampling interval over a prediction horizon, yielding an optimal control action. The optimization criterion, or objective function, is chosen in such a way as to satisfy the controlled system dynamics and constraints, penalize system output deviation from the desired trajectory, and minimize control efforts. Furthermore, a possibility to incorporate economic objectives into the …

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Development And Validation Of A Measure To Assess Physician Readiness To Prescribe Drug Therapies For Post-Myocardial Infarction Patients, Siddhesh Ajit Kamat Dec 2003

Development And Validation Of A Measure To Assess Physician Readiness To Prescribe Drug Therapies For Post-Myocardial Infarction Patients, Siddhesh Ajit Kamat

Graduate Theses, Dissertations, and Problem Reports (ETD)

National guidelines recommend the use of beta-blockers, aspirin, and ACE-inhibitors in the management of post MI patients. These target drug classes continue to be under-prescribed; information on physicians' decision-making process requires attention and behavior change interventions have been proposed. This pilot study uses the Transtheoretical Model of Change; physicians' salience for the pros and cons of prescribing target drug classes constitutes the decisional balance measure, which can be used to predict their stage of readiness. A survey instrument was mailed to a sample of West Virginia physicians and 55 usable responses (34%) were received. Majority of the physicians self-reported in …

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Brook Trout (Salvelinus Fontinalis) Movement And Habitat Use In A Headwater Stream Of The Central Appalachian Mountains Of West Virginia, Marisa Nel Logan Dec 2003

Brook Trout (Salvelinus Fontinalis) Movement And Habitat Use In A Headwater Stream Of The Central Appalachian Mountains Of West Virginia, Marisa Nel Logan

Graduate Theses, Dissertations, and Problem Reports (ETD)

Brook trout (Salvelinus fontinalis) are the only salmonid native to the Appalachians. They are a resilient species, populating small, low productive streams. Although such streams have historically been abundant in the Appalachians, brook trout populations have been threatened due to habitat degradation such as logging and acidification of waters. The objective of this study was to evaluate brook trout habitat use, home range, and movement patterns in an Appalachian headwater stream during spring and more specifically high flow events. I implanted brook trout with radio tags and tracked their movement for approximately 30 days during late spring 2002 and early …

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Soil Characterization, Classification, And Biomass Accumulation In The Otter Creek Wilderness, Jamie Schnably Dec 2003

Soil Characterization, Classification, And Biomass Accumulation In The Otter Creek Wilderness, Jamie Schnably

Graduate Theses, Dissertations, and Problem Reports (ETD)

This study evaluated soils of the Otter Creek Wilderness in the Monongahela National Forest. Thirteen sites were sampled and analyzed according to landscape position: three terrace soils (T), four ridgetop soils (R), three sideslope soils with argillic horizons (SSA), and three sideslope soils with cambic horizons (SSC). At each site, one pedon was described and sampled, and biomass data were collected. Standard chemical and physical properties, clay mineralogy, extractable sulfate and sulfated adsorption capacity were analyzed. The SSA soils had the highest pH, the most diverse vegetation, and the highest base saturation. These soils had a low risk for acid …

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Population Level Dynamics Of Grasshopper Sparrow Populations Breeding On Reclaimed Mountaintop Mines In West Virginia, Frank K. Ammer Dec 2003

Population Level Dynamics Of Grasshopper Sparrow Populations Breeding On Reclaimed Mountaintop Mines In West Virginia, Frank K. Ammer

Graduate Theses, Dissertations, and Problem Reports (ETD)

During 2001 and 2002, I surveyed three mountaintop mining/valley fill (MTMVF) complexes in southern West Virginia to determine vegetation characteristics important to nest site selection and to estimate nest success for Grasshopper Sparrow populations inhabiting these complexes. I also performed genetic analyses to assess overall population structure, mating system, parentage, kinship, and gender of individuals comprising these populations. A total of 415 grasshopper sparrows were captured and systematic searches of study plots produced 75 active nests. Nest survival for 2001--2002 breeding season (33%) is comparable to survival rates previously reported in the literature. Nest survival rates decreased with increased reclamation …

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Designing A Scalable Dynamic Load -Balancing Algorithm For Pipelined Single Program Multiple Data Applications On A Non-Dedicated Heterogeneous Network Of Workstations, Ashraf Osman Dec 2003

Designing A Scalable Dynamic Load -Balancing Algorithm For Pipelined Single Program Multiple Data Applications On A Non-Dedicated Heterogeneous Network Of Workstations, Ashraf Osman

Graduate Theses, Dissertations, and Problem Reports (ETD)

Dynamic load balancing strategies have been shown to be the most critical part of an efficient implementation of various applications on large distributed computing systems. The need for dynamic load balancing strategies increases when the underlying hardware is a non-dedicated heterogeneous network of workstations (HNOW). This research focuses on the single program multiple data (SPMD) programming model as it has been extensively used in parallel programming for its simplicity and scalability in terms of computational power and memory size.;This dissertation formally defines and addresses the problem of designing a scalable dynamic load-balancing algorithm for pipelined SPMD applications on non-dedicated HNOW. …

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On The Contribution Of Mmp-2 And Mmp-9 To The Postnatal Cerebellar Corticogenesis, Albert E. Ayoub Dec 2003

On The Contribution Of Mmp-2 And Mmp-9 To The Postnatal Cerebellar Corticogenesis, Albert E. Ayoub

Graduate Theses, Dissertations, and Problem Reports (ETD)

The development of the cerebellar cortex is dependent on orchestrated cell-cell, cell-matrix interactions, as well as intrinsic genetic programs. Matrix metalloproteinases (MMPs) are proteolytic enzymes that degrade ECM molecules and are involved in neuronal migration, process extension, and synaptic plasticity. The current study investigated (1) the developmental expression and activity of MMP-2 and MMP-9, and (2) the effect of blocking the activity of MMP-2 and MMP-9 by a specific inhibitor on the histogenesis of the cerebellar cortex. Cerebella were collected from rat pups every three days starting at postnatal day 3 (P3) until P25---a period equivalent to the third gestational …

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Gender Stereotypes In Children's Television Commercials And The Effects On Consumer Purchasing Behavior, Joanne G. Asztalos Dec 2003

Gender Stereotypes In Children's Television Commercials And The Effects On Consumer Purchasing Behavior, Joanne G. Asztalos

Graduate Theses, Dissertations, and Problem Reports (ETD)

This research presents an exploratory investigation on the extent of gender stereotypes portrayed in children's television commercials and the effects on consumer purchasing behavior. The author conducted two studies including a content analysis of viewing 75 children's television commercials, 25 boy, 25 girl, 25 neutral, and documenting evidence of roles, traits, activities, products, speaking parts and settings. Qualitative focus groups were then conducted to correlate the documented gender stereotypes with purchasing behaviors among children between the ages of 6--12. Major findings for this research revealed that there are many gender stereotypes in children's television commercials including the issue that male …

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Crack Detection Technique For Reinforced Concrete Bridge Decks, Indumathi Chera Dec 2003

Crack Detection Technique For Reinforced Concrete Bridge Decks, Indumathi Chera

Graduate Theses, Dissertations, and Problem Reports (ETD)

This study describes the instrumentation and test results of a reinforced concrete bridge deck constructed on 3-span continuous steel girders. The instrumented bridge is located in Evansville, West Virginia at the intersection of US Route 50 East and WV 92 South. An instrumentation system is developed and implemented specifically to measure and monitor the growth of cracks along the wheel path. The system consists of 30 crack-meters embedded in concrete over the bottom layer of the reinforcement. The crack-meter readings are automatically collected every 20 minutes together with the readings from other sensors that were placed in concrete and on …

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Adding Liveness Detection To The Hand Geometry Scanner, Musat C. Crihalmeanu Dec 2003

Adding Liveness Detection To The Hand Geometry Scanner, Musat C. Crihalmeanu

Graduate Theses, Dissertations, and Problem Reports (ETD)

In today's dynamic society, the efficiency of the Biometric Systems has an increasing tendency to replace the classic but obsolete keys and passwords. Hand Geometry Readers are popular biometrics used for Access and Control applications. One of their weaknesses is vulnerability to spoofing using fake hands (latex, play-doh or dead-hands).;The objective of this thesis is to design a feature to be added to the Hand Geometry Scanner in order to detect vitality in the hand, reducing spoofing possibilities.;This thesis demonstrates how the Hand Reader was successfully spoofed and shows the implementation of the live detection feature through an inexpensive but …

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Relational Project Modeling And Risk Projection Framework, Brian D. Gould Dec 2003

Relational Project Modeling And Risk Projection Framework, Brian D. Gould

Graduate Theses, Dissertations, and Problem Reports (ETD)

The relational project modeling and risk projection framework enables a projection of the consequences of initial project schedules and schedule changes with respect to risk realization in resource constrained project environments, and the identification of unrecognized schedule risks implied by those schedules.

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Characterization Of Exhaust Emissions From Catalyzed Trap-Equipped Non-Road Heavy-Duty Diesel Engines, Vinay Nagendran Dec 2003

Characterization Of Exhaust Emissions From Catalyzed Trap-Equipped Non-Road Heavy-Duty Diesel Engines, Vinay Nagendran

Graduate Theses, Dissertations, and Problem Reports (ETD)

An emissions and engine performance study was conducted to explore the effects of ultra low sulfur fuels on an off-road, heavy-duty engine retrofitted with catalyzed traps. The study was conducted, on an 8 cylinder, mechanically controlled Caterpillar 3408, rear engine of a Scraper. An in-field transient duty cycle was determined by logging the engine speed and torque using an Electronic Control Unit (ECU) communication adapter on the Scraper. The test fuels included California Air Resources Board (CARB) off-road diesel fuel, Fischer-Tropsch and Emission Control Diesel-1 (ECD1) diesel fuels. The engine was retrofit with two different types of diesel particulate filters …

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Architecture-Level Risk Assessment Tool Based On Uml Specification, Tianjian Wang Dec 2003

Architecture-Level Risk Assessment Tool Based On Uml Specification, Tianjian Wang

Graduate Theses, Dissertations, and Problem Reports (ETD)

Most faults in software systems are likely to be found in only a few of components [1]. The early identification of these components allows the project management to focus on remedial actions, such as redesigning the critical components that are likely to cause field failures or optimally allocating resources on implementation and testing [2]. This thesis presents a prototype tool called Architecture-level Risk Assessment Tool (ARAT) to demonstrate the process of risk assessment. The final result of this process is to distinguish those potentially high risk components in the software system. ARAT is built on the risk assessment methodology [3]. …

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Distributed Dispatchers For Partially Clairvoyant Schedulers, Kiran S. Yellajyosula Dec 2003

Distributed Dispatchers For Partially Clairvoyant Schedulers, Kiran S. Yellajyosula

Graduate Theses, Dissertations, and Problem Reports (ETD)

This work focuses on the empirical evaluation of distributed dispatching strategies on shared and distributed memory architectures for hard real-time systems. The dispatching model accommodates process parameter variability and analyzes the effect of variable execution times.;Hard real-time systems are modeled in the E-T-C scheduling framework and dispatched if a valid schedule exists. We examine the dispatchability of Partially Clairvoyant schedules of different sizes and varying deadlines under reasonable assumptions. The effect of scaling up the number of processors used by the dispatcher is also studied. The results validate the superiority of the distributed strategies over sequential dispatching and scalability of …

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Plant-Wide Energy Assessment Using A Systems Approach, Rajkumar Selvaraj Dec 2003

Plant-Wide Energy Assessment Using A Systems Approach, Rajkumar Selvaraj

Graduate Theses, Dissertations, and Problem Reports (ETD)

Energy plays a central role in the operation of the industrialized U.S. economy. Industry is historically the largest consuming sector of the economy with more than 60 percent of the energy consumed for manufacturing. The U.S. chemical industry is the world's largest producer of chemicals producing over 25 percent of the total production worldwide. In a chemical industry, the energy is used to supply heat and power for manufacturing processes and for energy feedstock. Due to the energy intensive nature of chemical industries, energy assessments performed could yield huge savings in energy and cost.;The aim of this research is to …

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