Digital Commons Network^™

Comparative Study Of Crypto Volatility And Price Forecasting Using A Mixture Of Time Series And Machine Learning Models, Abhishek Kafle

Masters Theses

"Forecasting financial product volatility and price is crucial for informed decision-making in investment and risk management. The models considered include GARCH, LSTM, GRU, BiLSTM, and hybrid models that incorporate various combinations of these models. We present a comparative analysis of forecasting volatility and price using the aforementioned models.

We also introduce a user-friendly dashboard for model training and evaluation, enabling users to upload datasets and customize model parameters. The dashboard allows users to select the type of model, specify the dataset range for training, determine the number of epochs, adjust the number of layers for deep …

Development Of A Particulate Matter Sensor Network For Air Quality Monitoring In Indoor Settings And In Mines, Abdulrahman Bani

Masters Theses

"The importance of indoor air quality (IAQ), especially concerning particulate matter (PM), has become increasingly recognized due to its substantial impact on public health. Individuals spend a significant portion of their time indoors, where PM concentrations can exceed that of outdoors, leading to potential adverse health effects ranging from immediate irritation to long-term respiratory and cardiovascular diseases. The dynamic nature of indoor environments, combined with the diversity of PM sources, presents considerable challenges for effective IAQ monitoring and management. Traditional approaches to IAQ assessment often fall short, lacking the granularity and immediacy required to address these challenges adequately.

This abstract …

Ontogenetically Driven Changes In The Endocranial Anatomy Of Maiasaura Peeblesorum And Its Implications For Sensory Functions, Emma Puetz

Masters Theses

"Hadrosaurids exhibited extreme morphological diversity and behavioral characteristics that can be compared with other, closely related members of Dinosauria – particularly through the study of neuroanatomy. X-ray CT generated endocrania of the Late Cretaceous saurolophine hadrosaur Maiasaura peeblesorum, known as the “good mother” dinosaur, offers a unique opportunity to compare complex ecological behaviors between non-avian dinosaurs and their modern archosaur relatives. The 3D reconstruction software ORS Dragonfly provided linear and volumetric measurements taken from the digital cranial endocast and endosseous labyrinths of three ontogenetically varied M. peeblesorum specimens from the Two Medicine Formation in Montana that were used to …

Learn From The Past: Using Peer Data To Improve Course Recommendations In Personalized Education, Colton Walker

Masters Theses

"This work describes a recommendation approach designed to enhance student success by identifying semester schedules and graduation paths. The primary objective is to provide personalized graduation path recommendations rooted in individual student performance and draw insights from the academic journeys of similar students who successfully graduated. The original research contribution of this work lies in the development of a graduation path recommender system that leverages a combination of Markov Decision Process, Q-Learning, and collaborative filtering techniques to pinpoint graduation paths with a higher likelihood of leading students to success based on their academic progress thus far. The effectiveness of the …

Evaluating Electromagnetic Interference On Gnss Receivers, Giorgi Tsintsadze

Masters Theses

"Due to high power and efficiency requirements of modern electrical drive system, inverters are utilizing fast-edge pulses as a drive signal. The high frequency pulses contain higher order harmonics can radiate electromagnetic interference above accepted levels. Modelling and understanding the mechanism that causes the radiation is studied, modelled and presented as gray-box model which contains circuit level modelling of coupling between electrical machine phase windings and low power sensor harness. The thesis consists of two main papers. In the first paper, radiated emissions from an electrical drive system is charac- terized thru gray-box modelling where coupling between electrical machine phase …

Sub-Critical Crack Growth And Fatigue Behaviour Of Alkali Silicate Glass, Noah Weyrauch

Masters Theses

"Delayed failure in silicate glasses can be linked to subcritical crack growth (SCCG) where surface defects grow over time until catastrophic failure. This phenomenon originates from stress-enhanced chemical interactions between the environment (e.g. water) and the strained silicate bonds at the crack tip. SCCG must be accounted for to predict the long-term survivability of silicate-glass components. This study compares two methods to measure SCCG parameters for a commercial alkali silicate sealing glass and for a series of binary xNa₂O-(1-x)SiO₂ glasses, where 0.15 ≤ x ≤ 0.35. A constant moment double cantilever beam (DCB) technique was used to …

Protein Turnover Rate And Life History As An Explanation Of The Extreme Difference In Cost Of Biosynthesis In Cockroach Nymphs And Painted Lady Butterfly Larva, Kyara Nicole Holloway

Masters Theses

The cost of biosynthesis in painted lady caterpillars is far lower than that of a red runner cockroach. A promising explanation for this phenomenon is the protein turnover rate for the animal during biosynthesis and tissue maintenance. Previous research has shown that, per gram of body weight, the painted lady butterfly can synthesize a biomass using up to 15x less energy and resources than the cockroach, even under similar conditions. The resulting ratios, especially in respect to growth rate, show a wide disparity between species in such a manner that does support a protein synthesis and degradation rates as a …

Theoretical Modeling And Experimental Investigation Of Phase Selection During Rapid Solidification Of Alloys, Azeez Aremu Akinbo

Masters Theses

"A novel model, rooted in time-dependent nucleation theory, has been created to explore how rapid solidification affects the extended solubility in metal alloys. This model was used to forecast solubility concerning undercooling in multiple binary aluminum (Al) alloys, and its predictions for both eutectic and peritectic systems closely match experimental data. It was demonstrated that this developed model surpasses the T0 line method, which does not consider the kinetic aspects of nucleation. Furthermore, the model can be extended to ternary and multicomponent phases by assuming that the scarcest element or the slowest diffusing component restricts nucleation. Al-Cu and Al-Cr, vital …

A Gat-Bilstma Model For Weather-Aware Prediction Of Traffic Speed, Bikis Muhammed

Masters Theses

This thesis presented a method for incorporating the effect of weather conditions in the prediction of the average speed of vehicular traffic for each segment of a road network. The proposed approach utilized two different deep learning methods: graph attention networks and bidirectional long short-term memory with attention layers. The accuracy of predictions is increased by considering the real-world driving distance between road segments, in contrast to the Haversine distance used in several existing prediction methods. Categorization of input data as weekend or weekday further increased the prediction accuracy. The proposed approach was validated using two data sets published by …

Contextualizing Renewable Energy Adoption: An Examination Of The Role Of Community Choice Aggregation, Ankit Agarwal

Doctoral Dissertations

"The rapid expansion of renewable energy generation in the U.S., both through distributed and utility-scale facilities, is largely driven by top-down policy measures and the growing engagement of residential consumers on both individual and community levels. Previous studies on motives behind residential renewable energy adoption have examined procurement options in isolation and within a static context, primarily focused on intrinsic attributes like economic incentives, emission reductions, and peer popularity. This research introduces a novel context, assessing renewable procurement options in the presence of Community Choice Aggregation (CCA), a more prevalent and accessible alternative. This dissertation makes four pivotal contributions, offering …

Material Models For Simulation Of Steel Hot Rolling Process Using Experimentally Determined Properties At Elevated Temperatures And Strain Rates, Siva Sai Krishna Dasari

Doctoral Dissertations

"Hot rolling is one of the most important and complex process that includes large material deformation, different contact conditions, complex geometries and different temperature gradients along with micro structural changes such as viscoplasticity, dynamic recrystallization, and static softening. In the present work, the viscoplasticity, damage evolution, static softening and void closure of alloyed metal during hot rolling process was numerically investigated. Gleeble^TM hot compression and double hit tests were performed to provide experimental stress-strain curves at recrystallization temperatures and at different strain rates. Johnson-Cook viscoplastic model was calibrated using experimental stress-strain curves. Static softening model was developed at varying …

Why Equity Follows The Law, Adam J. Macleod

Faculty Articles

Renewed attention to equity in higher education is welcome because true equity helps us to reason together well. When administered correctly, the jurisprudence of equity models civil discourse and, therefore, can teach us how to carry out civic engagement reasonably. Equitable interpretation of the law teaches us how to understand each other charitably. And equity’s deference to law teaches us how to reason well together about our practical problems. Law is the practical reasoning that we do together. Equity serves the ends of justice by serving law, rather than undermining it. These functions of equity in adjudication point toward a …

Puerto Rican Presidential Voting Rights: Why Precedent Should Be Overturned, And Other Options For Suffrage, Sigrid Vendrell-Polanco

Faculty Articles

Part I of this article discusses the history and background of the United States' acquisition of Puerto Rico and how Puerto Rico became the commonwealth territory that it is today. The problematic history between the United States and Puerto Rico has been scrutinized in many works; however, this article provides a more recent overview of Puerto Rican contributions to the United States, both in terms of military service and monetary revenue. A current and accurate image of Puerto Rico and its entwinement with the United States is necessary to examine the depth of hypocrisy that its current legal status creates. …

Constitutional Interpretation And Zombie Provisions, Michael L. Smith

Faculty Articles

The United States Constitution and state constitutions contain numerous zombie provisions, including language restricting marriage to relationships between one man and one woman, voter literacy test requirements, disqualification of atheists from serving in office or testifying as witnesses, and pervasive gendered language restricting rights and offices to men alone. Though these provisions are unenforceable due to subsequent amendment, determinations of federal unconstitutionality, or preemption by federal laws, they live on in constitutional text.

This Article addresses the danger of these zombie provisions that has, thus far, been overlooked the prospect that zombie provisions may influence the interpretation of still-living constitutional …

Workaholic Syndrome: Law And Psychology Explore The Far Reach Of The Egg Shell Doctrine, Victoria C. Duke-Dawson

Faculty Articles

For an undertaking an analysis of the implication of stress in the workplace, this article requires a four-part approach. Specifically, Part II explores how workplace stress, commonly known as work-induced stress; coupled with trauma, adaptive responses, and latent psychological conditions trigger workaholic syndrome thereby creating a dysfunctional psychological and physical impairment to the body. This section also outlines how stress activates components in the brain to create what psychologists are now referring to as an injury to the brain. Part III of this article describes the evolution of the eggshell doctrine from inception to the most recent conception, which is …

Is The Women's Treaty A Paper Tiger? Indian Courts' Application Of The United Nations Treaty, Amanda L. Stephens

Faculty Articles

This Article examines whether the United Nations ("U.N.") Treaty, the Convention on the Elimination of All Forms of Discrimination Against Women ("CEDAW'), is a "paper tiger"-a law that seems powerful but is in fact weak and ineffectual. While some scholars question the Treaty's effectiveness based on statistical studies, others point to legal reforms in state parties as evidence of its success. Neither provides a nuanced middle ground by examining the CEDAW at a micro rather than a macro level. This Article fills this gap by conducting a qualitative analysis of 10 Indian judicial opinions. Specifically, the Article explores how the …

El Proceso De Nulidad Matrimonial En La Reforma Del Papa Francisco Con Especial Referencia Al Proceso Abreviado (Processus Brevior) (Book), Roberto Rosas, Yeshica Umaña

Faculty Articles

El matrimonio en la Iglesia es considerado como el mayor símbolo de la vida mística y ha sido instituido por Dios, el cual representa el sacramento de la unión esponsal de Cristo con la Iglesia. Múltiples cánones incluyen los requisitos y normas de la Iglesia para el matrimonio desde su institución como sacramento. La última reforma matrimonial fue introducida en el siglo XVIII por el Papa Benedicto XIV y se había mantenido como norma legal hasta que el Papa Francisco anunció la publicación de una nueva reforma para la nulidad de los matrimonios dentro de la Iglesia el 15 de …

Late Discovery: Student Experiences With Late Learning Disability Diagnoses, Margot Moffa

Brehm Scholars Research

My research focuses on the experiences of students who were diagnosed with a learning disability in high school or college. I conducted a qualitative study including eight interviews. Findings after the study showed that participants were never identified without seeking help independently. Additionally, living with an undiagnosed learning disability left negative impacts on participants' mental health, resulting in the development of coping strategies to mask their symptoms and experiences. This research is critical as getting diagnosed with a learning disability later in life can be detrimental to a student's learning experience. Struggling in school and not understanding is extremely frustrating …

Can Artificial Intelligence Create Research Hypotheses For Patellofemoral Instability?, Claire Parker, Sofia Hidalgo Perea, James Barsi

Introduction: The purpose of this study was to elucidate if artificial intelligence (AI) can generate novel research hypotheses regarding patellofemoral instability (PFI) in the pediatric population that have not previously been investigated. We hypothesized that AI would be able to generate new hypotheses that have not yet been presented or published.

Methods: In December of 2023, Chat Generative Pre-trained Transformer-3.5 (ChatGPT) was used to create a list of 25 research hypotheses about PFI in both the adult and pediatric population. The prompt used to generate the list of hypotheses was: “List 25 detailed and reproducible research ideas regarding …

‘Heavy’ Life Satisfaction: Unveiling The Intricate Relationships Between Obesity And Well-Being In Abu Dhabi, Masood Badri, Mugheer Alkhaili, Hamad Aldhaheri, Saad Yaqeib, Guang Yang, Muna Albahar, Asma Alrashdi

All Works

The study investigates the intricate relationship between obesity and well-being among residents in Abu Dhabi. Obesity is recognized as a significant public health concern worldwide, with potential implications for individuals' overall well-being. Understanding the complex associations between obesity and various aspects of well-being is essential for developing effective interventions to promote healthier lifestyles and improve overall quality of life. The research employs path analysis to explore the direct associations between obesity and multiple well-being indicators. Data is collected from residents in Abu Dhabi, focusing on subjective health, subjective mental health, life satisfaction, physical exercise, and satisfaction with social relationships. Path …

Digraph Enabled Digital Twin And Label-Encoding Machine Learning For Scada Network's Cyber Attack Analysis In Industry 5.0, Nabeel Al-Qirim, Anoud Bani-Hani, Munir Majdalawieh, Hussam Al Hamadi, Mohammad Kamrul Hasan

All Works

False-Data Injection Attack (FDIA), Remote-Tripping Command Injection (RTCI), and System Reconfiguration Attack (SRA) on SCADA (Supervisory Control and Data Acquisition) networks impact industry 5.0 enabled smart grid components such as intelligent-electronic-device (IED), circuit-breaker, network-switch, and power transmission lines. Since the SCADA-network-based cyber-attacking flow is not in digital-twin form, it is impossible to simulate the effects of the attack. Furthermore, the string nature of these affected components' data makes it challenging to incorporate into machine-learning-enabled intelligence (CTI) processes. To visualize the attacking flow of FDIA, RTCI, and SRA cyber-attacks on SCADA networks, this paper presents a novel "Digital Twin and Machine …

The Perceptions Of Black Women In Principalships On Navigating And Negotiating The Racial Contexts Of Their Equity-Focused Leadership: A Q Methodology Study, Easter M. Brown

UNF Graduate Theses and Dissertations

One consequence of the Brown v. Board of Education (1954) ruling regarding desegregation of American public schools has been the destabilization of Black educators’ legacy of school leadership (Tillman, 2004). The effects of these failures continues to be problematic in US public education. Students of color account for over half of all P-12 enrollments, in contrast to the disproportionate lack of diversity among its teaching and leadership rosters (Frankenberg, et al., 2019; NCES, 2018, 2022). The stagnant rate at which American schools have diversified principal leadership since Brown v. Board (1954) begs the question of how equipped schools are to …

Spatial Equity In Accessing Critical Facilities During Hurricanes, Pooya Komeilian

UNF Graduate Theses and Dissertations

Florida encounters multiple natural disasters every year, making evacuation a critical mitigation plan when severe impacts are predicted. Evacuation is a complex procedure that involves everything from household decision-making to large-scale traffic network analysis. It also addresses logistical issues, such as transporting impacted people to shelters or medical centers. Access to shelters, gas stations, and lodgings is of utmost importance, as numerous studies and surveys have shown that some people prefer not to evacuate, even if they perceive the disaster risk to be very high.

Based on this, the present study follows two phases to address gaps in evacuation studies. …

Large Language Models For Multimodal User Interaction In A Virtual Environment, Ahmed A. Sayed

UNF Graduate Theses and Dissertations

Virtual Reality (VR) is increasingly popular, but many barriers exist for individuals with little experience in coding, 3D modeling, or creating their own virtual experiences. The current tools used for content creation are often viewed as complex or frustrating, and they exhibit a steep learning curve. This problem presents an opportunity to develop tools incorporating Natural User Interfaces that better support end users. One such possible tool to assist users is Large Language Models (LLM), which can, extract a user's intention through speech or text. We posit how using LLMs can better support novice and expert developers alike, and using …

A New Perspective On Teacher Attrition And Retention: What Can Be Learned From Teachers That Continue In The Profession, The Stayers?, Haley M. Vogel

UNF Graduate Theses and Dissertations

This phenomenological research study focuses on closing the divide between ongoing teacher shortages created by labor market cycles and teacher attrition with retention practices that keep qualified teachers in K-12 public schools. The literature review of this study identified a gap in research related to teacher shortages. Significant research exists around why teachers leave the profession, however, research related to why teachers stay is limited. The purpose of this phenomenological study was to better understand the lived experiences (Moustakas, 1994, van Manen, 2023, Creswell & Poth, 2018) of K-12 secondary public-school teachers continued decision to remain in the profession. The …

Autonomy, Motivation, And Creativity In The Visual Art Room: An Educational Criticism And Exploratory Case Study Of A Tab Studio, Deborah G. Canoura

UNF Graduate Theses and Dissertations

Within the bounds of an exploratory case study, educational criticism was used to explore the closed ecosystem of an art classroom. Utilizing the method of teaching known as the Teaching for Artistic Behavior method as it relates to student experiences regarding creativity, autonomy, motivation, engagement, and the development of the student and teacher within the TAB methodology were studied. The impact on student growth, creativity, motivation, and engagement was seen consistently across demographics and throughout each research collection method. This research includes the collection and analysis of observations, teacher interviews, and artifacts, collection to understand the teacher’s perceptions of students …

Exploring Parental Engagement In A Family Stem Program Leveraging Social Media Spaces, Valentina Bongiovanni

UNF Graduate Theses and Dissertations

The Family Take-home STEM Toolkit Program offers families the opportunity to engage in science, technology, engineering, and mathematics (STEM) learning by utilizing the informal environments of the home and program-dedicated social media groups. This initiative provides a frame for this research, as parental engagement in the context of this early childhood program is explored through the lens of the Ecologies of Parental Engagement (EPE). This theoretical model understands engagement as the mediation of space and capital (Barton et al., 2004) and guides this study to further explore parental perceptions concerning the social media space activated with the STEM Toolkit Program. …

Analysis Of Shoreline Erosion At Cumberland Island Using Advanced Circulation (Adcirc) Modeling, Christopher Harrigan

UNF Graduate Theses and Dissertations

This study investigates shoreline erosion at Brickhill Bluff along the Brickhill River in Cumberland Island National Seashore using ADCIRC. Two scenarios were modeled during this research: bed stresses during regular tidal cycles and bed stresses during worst-case storm (i.e., hurricane) conditions. Velocities from these models were used to compute bed shear stresses and these stresses were compared to site’s sediment critical shear stress. Results appear to show that a meander in the Brickhill River causes relatively high (i.e., on the order of 0.27 ��/��² ) shear stresses during regular tidal cycles and even higher (i.e., on the order of …

A Case For Clarity: Indication Of Collateral, Veryl Victoria Miles

Scholarly Articles

This article reviews different critiques of scholars and practitioners on the correctness of the Seventh and First Circuit Court of Appeals opinions in First Midwest Bank v. Reinbold, 938 F. 3d. 866, 100 U.C.C. Rep. Serv. 2d (7th Cir. 2019) cert. denied, 140 S. Ct. 1125, 206 L. Ed. 2d 189 (2020) and Financial Oversight & Management Board for Puerto Rico v. Andalusian Global Designate Activity Co. 914 F. 3d 694 (1st Cir. 2019), cert. denied, 140 S. Ct. 47, 205 L. Ed. 2d 29 (2019). These two decisions address the question as to whether an incorporation by reference …

Why Equity Follows The Law, Adam J. Macleod

Scholarly Articles

Renewed attention to equity in higher education is welcome because true equity helps us to reason together well. When administered correctly, the jurisprudence of equity models civil discourse and, therefore, can teach us how to carry out civic engagement reasonably. Equitable interpretation of the law teaches us how to understand each other charitably. And equity’s deference to law teaches us how to reason well together about our practical problems. Law is the practical reasoning that we do together. Equity serves the ends of justice by serving law, rather than undermining it. These functions of equity in adjudication point toward a …