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The Profession Of Modeling And Simulations: Unifying The Organization, John Lord May 2019

The Profession Of Modeling And Simulations: Unifying The Organization, John Lord

Electronic Theses and Dissertations

The organization of Modeling and Simulation (M&S) as a profession started in the early twenty-first century spurred by the advent of computers and the vast networking capabilities of contemporary computing. M&S is still in its infancy when compared to other disciplines, such as engineering, computer science and mathematics. However, the profession has experienced significant growth in part due to the varied use of M&S techniques and tools within almost every discipline. Professional organizations and academic programs supporting M&S across the country have started to materialize. In a short timeframe, the growth of these supporting organizations has outpaced their ability to …

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Resource Optimization In Visible Light Communication Using Internet Of Things, Akash Dey May 2019

Resource Optimization In Visible Light Communication Using Internet Of Things, Akash Dey

Electronic Theses and Dissertations

In the modern day, there is a serious spectrum crunch in the legacy radio frequency (RF) band, for which visible light communication (VLC) can be a promising option. VLC is a short-range wireless communication variant which uses the visible light spectrum. In this thesis, we are using a VLC-based architecture for providing scalable communications to Internet-of-Things (IoT) devices where a multi-element hemispherical bulb is used that can transmit data streams from multiple light emitting diode (LED) boards. The essence of this architecture is that it uses a Line-of-Sight (LoS) alignment protocol that handles the hand-off issue created by the movement …

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Characterization Of Florida Landfills With Elevated Temperatures, Ryan Joslyn May 2019

Characterization Of Florida Landfills With Elevated Temperatures, Ryan Joslyn

Electronic Theses and Dissertations

The occurrence of elevated temperatures within landfills is a very challenging issue for landfill operators to detect and correct. Little is known regarding the causes of elevated temperatures (ETs) and the number of landfills currently operating under such conditions. Therefore, the goal of this research was to determine which landfills within Florida have been impacted by ETs, and to develop a more complete understanding of the factors that may lead to these landfills becoming elevated temperature landfills (ETLFs). Historical landfill gas wellhead data, waste deposition reports, and landfill site geometry were collected for 27 landfill cells through the FDEP OCULUS …

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Describing Images By Semantic Modeling Using Attributes And Tags, Mahdi Mahmoudkalayeh May 2019

Describing Images By Semantic Modeling Using Attributes And Tags, Mahdi Mahmoudkalayeh

Electronic Theses and Dissertations

This dissertation addresses the problem of describing images using visual attributes and textual tags, a fundamental task that narrows down the semantic gap between the visual reasoning of humans and machines. Automatic image annotation assigns relevant textual tags to the images. In this dissertation, we propose a query-specific formulation based on Weighted Multi-view Non-negative Matrix Factorization to perform automatic image annotation. Our proposed technique seamlessly adapt to the changes in training data, naturally solves the problem of feature fusion and handles the challenge of the rare tags. Unlike tags, attributes are category-agnostic, hence their combination models an exponential number of …

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Dynamic Behavior And Performance Of Different Types Of Multi-Effect Desalination Plants, Mohamed Abdelkareem May 2019

Dynamic Behavior And Performance Of Different Types Of Multi-Effect Desalination Plants, Mohamed Abdelkareem

Electronic Theses and Dissertations

Water and energy are two of the most vital resources for the socio-economic development and sustenance of humanity on earth. Desalination of seawater has been practiced for some decades and is a well-established means of water supply. However, this process consumes large amounts of energy and the global energy supply is also faced with some challenges. In this research, multi-effect desalination (MED) has been selected due to lower cost, lower operating temperature and efficient in terms of primary energy and electricity consumption compared to other thermal desalination systems. The motivation for this research is to address thermo-economics and dynamic behavior …

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Fluctuations In Walking Speeds And Spatiotemporal Gait Parameters When Walking On A Self-Paced Treadmill At Level, Incline, And Decline Slopes, Cesar Castano May 2019

Fluctuations In Walking Speeds And Spatiotemporal Gait Parameters When Walking On A Self-Paced Treadmill At Level, Incline, And Decline Slopes, Cesar Castano

Electronic Theses and Dissertations

On a daily basis, humans walk over a variety of terrains. Studies have shown that spatiotemporal gait parameters, such as stride length, stride frequency, stride variability, etc., change when humans walk down a decline and up an incline compared to level ground. However, these studies have been limited to using fixed speed treadmills or analyzing a small number of strides when conducted over ground. Thus, there is a need to investigate the fluctuations in spatiotemporal gait parameters of humans walking at their self-selected speed, which requires recording hundreds of strides. Here we hypothesized that subjects will walk with a slower …

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Quality Diversity: Harnessing Evolution To Generate A Diversity Of High-Performing Solutions, Justin Pugh May 2019

Quality Diversity: Harnessing Evolution To Generate A Diversity Of High-Performing Solutions, Justin Pugh

Electronic Theses and Dissertations

Evolution in nature has designed countless solutions to innumerable interconnected problems, giving birth to the impressive array of complex modern life observed today. Inspired by this success, the practice of evolutionary computation (EC) abstracts evolution artificially as a search operator to find solutions to problems of interest primarily through the adaptive mechanism of survival of the fittest, where stronger candidates are pursued at the expense of weaker ones until a solution of satisfying quality emerges. At the same time, research in open-ended evolution (OEE) draws different lessons from nature, seeking to identify and recreate processes that lead to the type …

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Analysis Literatures Of Machine Learning And Neural Networks For Real Time Scheduling, Phong Nguyenho, Mark Nguyen May 2019

Analysis Literatures Of Machine Learning And Neural Networks For Real Time Scheduling, Phong Nguyenho, Mark Nguyen

Recent Advances in Real-Time Systems

Real time scheduling problems are present in every aspect of software development. An optimized real time scheduling scheme would determine the performance of an operating system. There are many different approaches that real time scheduling researchers developed to tackle scheduling problems in many computer systems that have great important roles in keeping our modern society running smoothly. Neural-network real time scheduling is one of those approaches that can solve many computer scheduling problems. As computing technology advanced, more and more real time scheduling problems arise that need new solutions to keep up with the demand of faster computer systems. In …

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University Of Central Florida Undergraduate Catalog, 2019 - 2020, University Of Central Florida May 2019

University Of Central Florida Undergraduate Catalog, 2019 - 2020, University Of Central Florida

UCF Catalogs

No abstract provided.

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University Of Central Florida Graduate Catalog, 2019 - 2020, University Of Central Florida May 2019

University Of Central Florida Graduate Catalog, 2019 - 2020, University Of Central Florida

UCF Catalogs

No abstract provided.

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The Effects Of Japanese Ryokan Attributes On Perceived Values And Purchase Intention, Ryuichi Karakawa May 2019

The Effects Of Japanese Ryokan Attributes On Perceived Values And Purchase Intention, Ryuichi Karakawa

Electronic Theses and Dissertations

The increasing demand for spa and hot spring resorts, particularly within the luxury markets, provides an opportunity for new types of accommodations. This study focused on Ryokan which is described as traditional Japanese hotels with hot springs. Despite the recent trend of expanding Japanese Ryokans in the global market, most extant research had only focused on perceptions of customers who have experienced Ryokans. Therefore, this study explored what attributes of Japanese Ryokans are important to potential customers and to what extent these attributes could enhance perceived values toward Japanese Ryokans. A total of 983 usable responses were collected through an …

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A Theoretical Investigation Of Small Organic Molecules On Transition Metal Surfaces, Walter Malone May 2019

A Theoretical Investigation Of Small Organic Molecules On Transition Metal Surfaces, Walter Malone

Electronic Theses and Dissertations

With the ever growing number of proposed desnity functional theory (DFT) functionals it becomes necessary to thoroughly screen any new method to determine its merit. Especially relevant methods include a proper description of the van der Waals (vdW) interaction, which can prove vital to a correct description of a myriad of systems of technological importance. The first part of this dissertation explores the utility of several vdW-inclusive DFT functionals including optB86b-vdW, optB88-vdW, optPBE-vdW, revPBE-vdW, rPW86-vdW2, and SCAN+rVV10 by applying them to model systems of small organic molecules, pyridine and thiophene, on transition metal surfaces. Overall, we find the optB88-vdW functional …

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The Impact Of Judo On Aggressive Behaviors In Youth With Autism Spectrum Disorder, Paola Rivera May 2019

The Impact Of Judo On Aggressive Behaviors In Youth With Autism Spectrum Disorder, Paola Rivera

Electronic Theses and Dissertations

The aim of this study was to examine the effects of an 8-week judo program on lifestyle habits and behavior in children with Autism Spectrum Disorder (ASD). METHODS: Participants included 25 children (ages 8-17), with a formal diagnosis of ASD. The sample participated in an 8-week judo program (45 minutes, 1x week), with measures taken at baseline and at the end of the 8-weeks. In order to assess activity levels and sleep quality, participants were instructed to wear Actigraph GT9X Accelerometers for 7 days and nights. In order to assess behavioral changes, parents were given the ABC survey to fill …

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Moving Towards A Dialogic Pedagogy: Using Video Feedback As A Teaching Tool To Respond To Writing Across Disciplines, Paul Martin May 2019

Moving Towards A Dialogic Pedagogy: Using Video Feedback As A Teaching Tool To Respond To Writing Across Disciplines, Paul Martin

Electronic Theses and Dissertations

This study examined the impact of video feedback (VF) as a teaching tool for responding to writing activities and assignments across disciplines and whether or not VF can help instructors facilitate dialogic exchanges between students and teachers. I conducted three case studies with three different instructors from three different disciplines: psychology, history, and nanoscience. To determine the potential of video feedback to facilitate dialogic pedagogies, this dissertation examined the presence of transformational leadership theory (Parkin, 2017), the voices of teaching and learning (Collison et al., 2001), and gesture theory (Bavelas et al., 2014; Peräkylä & Ruusuvuori, 2008) for the paralinguistic …

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Installments, Summer Issue 145, June 2019, Renee Montgomery May 2019

Installments, Summer Issue 145, June 2019, Renee Montgomery

Libraries' Newsletters

No abstract provided.

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Installments, Summer Issue 144, May 2019, Renee Montgomery May 2019

Installments, Summer Issue 144, May 2019, Renee Montgomery

Libraries' Newsletters

No abstract provided.

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The Rhetoric Of Camp: Adam Lambert's Identification And Division Strategies In His American Idol Performances, Isabelle Lanthier May 2019

The Rhetoric Of Camp: Adam Lambert's Identification And Division Strategies In His American Idol Performances, Isabelle Lanthier

Electronic Theses and Dissertations

This study analyzes camp style as a rhetorical strategy for Burkean rhetorical identification. Through a case study of Adam Lambert's use of this style on American Idol in 2009, this study produced a rhetorical theory of camp that challenges the typically dialectical relationship between identification and its opposite: division. This study responds both to Susan Sontag's seminal essay on camp style and to other conversations surrounding identification, which revolve around how rhetors avoid division (Borrowman and Kmetz; Jones and Rowland), how rhetors appeal to conflicting audiences (DeGenaro; Helmbrecht and Love), how rhetors create new narratives as a means of identification …

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Transparency And Communication Patterns In Human-Robot Teaming, Shan Lakhmani May 2019

Transparency And Communication Patterns In Human-Robot Teaming, Shan Lakhmani

Electronic Theses and Dissertations

In anticipation of the complex, dynamic battlefields of the future, military operations are increasingly demanding robots with increased autonomous capabilities to support soldiers. Effective communication is necessary to establish a common ground on which human-robot teamwork can be established across the continuum of military operations. However, the types and format of communication for mixed-initiative collaboration is still not fully understood. This study explores two approaches to communication in human-robot interaction, transparency and communication pattern, and examines how manipulating these elements with a robot teammate affects its human counterpart in a collaborative exercise. Participants were coupled with a computer-simulated robot to …

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Chemical Composition Of Preclassic-Period Maya Slips: Analysis And Interpretation Of Flores Waxy Ware And Paso Caballo Waxy Ware Sherds From Holtun, Guatemala Using Pxrf Spectrometry, Anna Kebler May 2019

Chemical Composition Of Preclassic-Period Maya Slips: Analysis And Interpretation Of Flores Waxy Ware And Paso Caballo Waxy Ware Sherds From Holtun, Guatemala Using Pxrf Spectrometry, Anna Kebler

Electronic Theses and Dissertations

Slip, a fluid suspension of clay that is applied to the surface of a piece of ceramic, allows for increased control over the functional and aesthetic properties of a finished vessel. The potter can select a slip to provide a more appealing color, texture, and/or luster to the vessel's surface, while maintaining the favorable functional qualities of the paste. Though slip color has long been used as an attribute for classification in the Maya lowlands, only recently have the raw materials of slips been used to inform studies of production and exchange, with much of this work using Late and …

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Factors Contributing To Low Adequate Prenatal Care Rates In Orange County, Florida, Lauren Daniel May 2019

Factors Contributing To Low Adequate Prenatal Care Rates In Orange County, Florida, Lauren Daniel

Electronic Theses and Dissertations

In 2017, only 56% of births in Orange County, Florida, received adequate prenatal care - care that has been shown to prevent maternal and infant death. The Florida Department of Health uses the Kotelchuck Index to determine care adequacy. This index rates care adequacy based on when the mother first receives care, and how many recommended appointments she attends. Prenatal care is rated "inadequate" if it starts after the fourth month of pregnancy, and/or if less than half of the recommended appointments are attended. Receiving earlier and consistent prenatal care has been shown to be an effective way to improve …

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Success Rate Of Student Accessibility Services Determined By Students Cumulative Grade Point Average, Christine Brown May 2019

Success Rate Of Student Accessibility Services Determined By Students Cumulative Grade Point Average, Christine Brown

Electronic Theses and Dissertations

Background: National studies have previously found that those within the disabled population are underserved in regard to healthcare, education, employment and medical access. Historically, the majority of those who are disabled due to this engrained inequality receive government assistance. Multiple laws have been enacted to protect those who fall into this minority such as ADA, section 504 and IDEA. These laws ensure the disabled equal access to employment, public services, education, public accommodations and telecommunications. Federally funded departments called student disability services (SDS) are on college/university campuses to ensure equal access and treatment throughout a student's college career. Under the …

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Readability Of Patient-Reported Outcome Measures For Persons With Aphasia, Sara Gray May 2019

Readability Of Patient-Reported Outcome Measures For Persons With Aphasia, Sara Gray

Electronic Theses and Dissertations

The relationship between positive health outcomes in persons with aphasia (PWA) and personcentered care is highlighted by personally relevant information obtained directly from the PWA. Such is often facilitated via patient reported outcome measures (PROMs). In order to provide accurate responses to PROMs, PWAs must to read, comprehend, formulate and generate answers to a variety of questions. PROMs designed for other clinical populations assessed/treated by speech-language pathologists have been found to be largely unreadable. Despite the significant role of PROMs in assessment and management of aphasia, no study to date has examined the readability of these measures. Four readability formulae …

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Implementation Of The Roles And Responsibilities Of Speech Language Pathologists In The Schools, Tamar Nir May 2019

Implementation Of The Roles And Responsibilities Of Speech Language Pathologists In The Schools, Tamar Nir

Electronic Theses and Dissertations

The purpose of this study was to determine how the roles and responsibilities of speech-language pathologists (SLPs) in schools are being implemented, whether speech-language pathologists in schools feel comfortable with their roles, and whether they are willing to engage in professional learning activities to hone knowledge and skills in role areas in order to inform pre-service and in-service learning This study utilized an online survey to collect responses. The survey included questions related to the rate of implementation, comfort level, and desire for further professional learning with regards to the roles and responsibilities prescribed by American Speech-Language Hearing Association (ASHA) …

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The Mathematics Achievement Gap In Virtual Education, Sara Glover May 2019

The Mathematics Achievement Gap In Virtual Education, Sara Glover

Electronic Theses and Dissertations

This phenomenological study examined the lived experiences of online Algebra I teachers as they relate to the instruction of minority students. There is an academic achievement gap that exists between minority students and their non-minority peers in United States public education (Sousa & Armor, 2016). Although national educational policy has sought to narrow the academic achievement gap, it is persistent and must be addressed because public education affects the future of our nation (Fullan & Quinn, 2016). Virtual education is a growing platform for learning, with nearly 300,000 students enrolled across the United States. Achievement data demonstrates the existence of …

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Noninvasive Myographical Assessments Following Unaccustomed Resistance Exercise, Carleigh Boone May 2019

Noninvasive Myographical Assessments Following Unaccustomed Resistance Exercise, Carleigh Boone

Electronic Theses and Dissertations

Traditionally, post-exercise muscular alterations have been examined using invasive techniques that lack the ability to single out individual muscle groups. Sonomyography, tensiomyography, and electrical impedance myography allow for noninvasive skeletal muscle assessment. This project aimed to examine changes in muscle contractility and composition that occur in the early stages of recovery following unaccustomed exercise. METHODS: Twenty-one untrained adults (21.9 ± 1.9 y) performed exercise – 10 × 10 maximal eccentric knee extensions – with their nondominant leg. For each repetition, participants moved through 90° range of motion at 90°•s-1 with a passive return to the start position. Each set was …

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Effects Of Rest Position On Ultrasound-Derived Morphological Characteristics Of The Vastus Lateralis And Lower-Body Force Production, Alyssa Varanoske May 2019

Effects Of Rest Position On Ultrasound-Derived Morphological Characteristics Of The Vastus Lateralis And Lower-Body Force Production, Alyssa Varanoske

Electronic Theses and Dissertations

INTRODUCTION: Ultrasound assessment of the lower body typically encompasses 10-15 minutes of supine rest prior to examination because of the potential influence of gravitational fluid shifts on tissue size and composition. However, examination of the vastus lateralis (VL) muscle requires individuals to lay in the lateral recumbent position, and this change in position may influence muscle morphological characteristics and their ability to predict muscle function. PURPOSE: The purpose of this investigation was to examine the effect of rest position on ultrasound-derived morphological characteristics of the VL and to determine whether or not rest position affects the relationships between muscle morphological …

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The Migration Of Indians To Eastern Africa: A Case Study Of The Ismaili Community, 1866-1966, Azizeddin Tejpar May 2019

The Migration Of Indians To Eastern Africa: A Case Study Of The Ismaili Community, 1866-1966, Azizeddin Tejpar

Electronic Theses and Dissertations

Much of the Ismaili settlement in Eastern Africa, together with several other immigrant communities of Indian origin, took place in the late nineteenth century and early twentieth centuries. This thesis argues that the primary mover of the migration were the edicts, or Farmans, of the Ismaili spiritual leader. They were instrumental in motivating Ismailis to go to East Africa. Although there were other Indian groups from the general geographical area of Western Indian and Gujarat who also migrated to East Africa, the crucial factor in the migration of Ismailis were the edicts or Farmans of the Imams. My thesis argues …

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Gamification: Badges And Feedback, Brian Macon May 2019

Gamification: Badges And Feedback, Brian Macon

Electronic Theses and Dissertations

Gamification, the implementation of game elements in a non-game context, is a rapidly growing field of research. One element of gamification that has experienced a rapid growth in popularity is the use of digital badges. Despite widespread adoption in educational settings, there are still gaps in the understanding of their effects on motivation, engagement, learning, and other factors. Furthermore, feedback delivered through badges can include a symbolic reward for successful completion of a task, providing a credential for gaining a skill, or acknowledging mastery of a particular piece of knowledge. This study implemented digital badges in online courses at a …

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Chemistry And Dissipation At Mineral Surfaces In The Space Environment, William Tucker May 2019

Chemistry And Dissipation At Mineral Surfaces In The Space Environment, William Tucker

Electronic Theses and Dissertations

The composition and morphology of mineral surfaces is known to play an important role in various phenomena relevant to planetary science. For example, the synthesis and processing of complex organics likely occurs at mineral surfaces strongly affected by the space environment. Furthermore, the dissipative and adhesive properties of dust grains may depend strongly on the chemical state of the surface including the presence of dangling bonds, adsorbates, and radicals. In this dissertation, experimental results are first presented which demonstrate that mineral grains subjected to high temperatures in a reducing environment lead to iron nanoparticles which are strongly catalytic for the …

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Government Responsiveness In Matters Of Racial Sensitivity, Vickie Carnegie May 2019

Government Responsiveness In Matters Of Racial Sensitivity, Vickie Carnegie

Electronic Theses and Dissertations

This study assesses factors influencing the responsiveness of government officials in Alabama, Mississippi, and South Carolina regarding the public display of the Confederate Flag on state grounds in the aftermath of the Charleston, South Carolina shooting. The purpose of this dissertation research is to understand the factors influencing how government officials make decisions during racially/culturally sensitive events. Two research questions frame this study: 1) What factors are relevant to understanding state government officials' decision- making regarding the display of the Confederate Flag on public grounds? 2) Under what conditions of public decision making regarding the Confederate flag is executive authority, …

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