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University Of Central Florida Graduate Catalog, 2024 - 2025, University Of Central Florida

UCF Catalogs

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Towards Robust And Accurate Text-To-Code Generation, Saleh Almohaimeed

Graduate Thesis and Dissertation post-2024

Databases play a vital role in today's digital landscape, enabling effective data storage, management, and retrieval for businesses and other organizations. However, interacting with databases often requires knowledge of query (e.g., SQL) and analysis, which can be a barrier for many users. In natural language processing, the text-to-code task, which converts natural language text into query and analysis code, bridges this gap by allowing users to access and manipulate data using everyday language. This dissertation investigates different challenges in text-to-code (including text-to-SQL as a subtask), with a focus on four primary contributions to the field. As a solution to the …

Strengthening The Cyber-Physical Resilience Of Active Distribution Systems, Xue Gao

Graduate Thesis and Dissertation post-2024

Inverter-based Distributed Energy Resources (DERs) have experienced a significant rise in popularity due to their distinct advantages, such as improved power quality, advanced functionalities, and rapid response capabilities. These attributes make them particularly well-suited for modern power systems, where the growing demand for efficiency, flexibility, and reliability is crucial. As a result, the integration of inverter-based DERs into distribution networks has been steadily increasing, as they play a critical role in enhancing system performance and meeting the evolving requirements of contemporary power infrastructures.

However, the integration of inverter-based DERs presents several challenges that must be addressed for effective implementation. One …

Using Lidar Data And Gis Analyses To Understand Looting Patterns In The Maya Biosphere Reserve, Chloe E. Sherwood

Graduate Thesis and Dissertation post-2024

This research examines looting activity at archaeological sites in the Maya Biosphere Reserve in Petén, Guatemala, focusing on areas both inside and outside established national park boundaries. The study covers sites occupied by the ancestral Maya from the Middle Preclassic to Terminal Classic periods (800 BC – AD 900), including El Mirador, Nakbé, and Wakná. This research uses LiDAR data and GIS analyses to identify looting clusters, comparing areas within the park to those outside, and investigates the relationship between looting activity and infrastructure such as trails, camps, and fresh water reservoirs.

Findings reveal that looting is more concentrated outside …

On Immunogenomic Evolution And Disease In Marine Turtles, Katherine R. Martin

Graduate Thesis and Dissertation post-2024

Characterizing immune gene diversity and function is paramount to understanding population adaptive potential and species survival in the face of selective pressure from infectious disease. In this dissertation, I examined immune gene evolution and function using sea turtles to better understand the selective forces shaping reptile immunogenomic diversity. I focused on four species from the northwest Atlantic and Gulf of Mexico: loggerheads (Caretta caretta), green turtles (Chelonia mydas), leatherbacks (Dermochelys coriacea), and Kemp’s ridley sea turtles (Lepidochelys kempii). In Chapter 2, I characterized MHC class I (MHCI) evolution and diversity in Ca. caretta …

Public Influence On Small Wars: Somalia And A Theory Of Constituent Discontent, Barry Smith

Graduate Thesis and Dissertation post-2024

Public opinion predicts American small war sustainment through institutional causal mechanisms of Congress and political-military relations. An increase in general public disapproval (not necessarily connected to a war) predicts the time when Members of Congress look to their constituents for policy changes to appease broad frustration. Constituent discontent toward a U.S. small war is absorbed by individual legislators, translated into legislative constraint, and projected onto the Department of Defense that is highly attentive to Congress. America abandons war aims, despite its military advantage over adversaries, when the ways and means available for military operations are constrained by a threat or …

Quantify Human Impacts And Climate Control On Hydrology Using Integrated Hydrologic Model, Yu Zhang

Graduate Thesis and Dissertation 2023-2024

The main objective of this dissertation was to investigate the impacts of human activities and climate control on hydrologic responses using the Integrated Hydrologic Model (IHM), which dynamically couples HSPF and MODFLOW. The study first evaluated the impacts of land use change and rainfall variability on hydrologic responses—such as streamflow, evapotranspiration (ET), groundwater ET, recharge, and groundwater heads—in the Anclote River basin (ARB), Florida. The results provided insights into the uncertainties in hydrologic responses due to rainfall variability. Secondly, hydrologic response flux changes were partitioned into anthropogenic causes, including groundwater pumping, irrigation, and land use change, by the IHM in …

Demystifying The Hosting Infrastructure Of The Free Content Web: A Security Perspective, Mohammed Alqadhi

Graduate Thesis and Dissertation 2023-2024

This dissertation delves into the security of free content websites, a crucial internet component that presents significant security challenges due to their susceptibility to exploitation by malicious actors. While prior research has highlighted the security disparities between free and premium content websites, it has not delved into the underlying causes. This study aims to address this gap by examining the security infrastructure of free content websites. The research commences with an analysis of the content management systems (CMSs) employed by these websites and their role. Data from 1,562 websites encompassing free and premium categories is collected to identify CMS usage …

Analysis And Design Of Multiport Converters For Photovoltaic And Electrical Vehicle Applications, Reza Rezaii

Graduate Thesis and Dissertation 2023-2024

The widespread adoption of photovoltaic (PV) and electric vehicle (EV) technologies is crucial for mitigating greenhouse gas emissions. A Multi-Port Converter (MPC) connects multiple PV panels, improving efficiency and reducing costs. In EVs, MPCs extend battery lifespan by adding energy sources, enhancing system quality beyond reliance on Li-ion batteries. This dissertation proposes a Quad-input LLC topology for PV microinverters. It utilizes a single LLC resonant tank and two Y switches configurations. An MPPT control strategy based on Perturb and Observe (P&O) method ensures independent MPPT for each panel. The zero-voltage switching (ZVS) is achieved across all switches for wide input …

Supply Chain Security: Assessing Confidence In Food Defense Compliance As A Function Of Management Systems 4.0 Deployment In Truck Transportation, Celso Alvarado

Graduate Thesis and Dissertation post-2024

The secure transportation of food via trucks within the supply chain is a pivotal aspect of ensuring food safety and defense, necessitating the seamless integration of advanced security control processes and systems. This study primarily investigates how the integrated use of Industry 4.0 (4IR) technologies, such as AI, IoT, and Blockchain, alongside ISO standards like ISO 28001 and ISO 22000, in trucking management systems for food transport influences the confidence of supply chain professionals in ensuring that food products remain safe and untampered with during truck transportation.

To ensure the robustness of our survey, a two-round Delphi study involving 10 …

Multi-Agent Optimization Of Non-Cooperative Multimodal Mobility Systems, Md Nafees Fuad Rafi

Graduate Thesis and Dissertation post-2024

While multimodal mobility systems have the potential to bring benefits to travelers, drivers, environment, and traffic congestion, such systems typically involve multiple non-cooperative decision-makers who may selfishly optimize their own objectives without considering the overall system benefits. This paper aims to investigate market-based interactions of key stakeholders (i.e., service providers, drivers, and travelers) in the context of multimodal transportation (MT) systems. We propose a unified mathematical modeling framework to capture the decentralized travelers and drivers' decision-making process and balance the spatial demand and supply by locational service pricing. Such a model allows analyses of the impact of decentralized decision-making on …

Nonlinear Dynamical Characteristics Of Electroencephalogram Signatures In Patients With Multiple Sclerosis, Christopher I. Hernandez

Graduate Thesis and Dissertation post-2024

The application of nonlinear analysis in studying electroencephalography (EEG) signals has been increasingly applied to patients with neurological disorders, such as multiple sclerosis (MS). Various nonlinear analysis methods have been employed to investigate MS, offering unique insights into understanding, diagnosing, and treating the condition. This study utilized two nonlinear analyses, sample entropy (SampEn) and Higuchi’s fractal dimension (HFD), to explore the effects of Interferon-β (IFN-β) and dimethyl fumarate (DMF) on patients with MS. Data were collected from 175 participants at Jagiellonian University in Krakow, Poland, across three groups: IFN-β (n = 39), DMF (n = 53), and healthy controls (n …

Design And Development Of A Real-Time Autonomous Uav Swarm Control System, Berk Cetinsaya

Graduate Thesis and Dissertation post-2024

This dissertation focuses on advancing control systems and path planning techniques for Unmanned Aerial Vehicles (UAVs), particularly in drone swarm operations and real-time digital twin (DT) integration. The research addresses key challenges in scalability, real-time responsiveness, and system adaptability to improve the efficiency and situational awareness of UAV systems. A comprehensive review of existing methods highlights the importance of swarm intelligence and nature-inspired algorithms. The study introduces a real-time DT that integrates multiple drone video feeds into a unified 3D environment. Additionally, the Camera-based Adaptive Line Formation and Dynamic Leader-Following Optimization (CALF-DLFO) strategy enhances drone swarm coverage and reduces update …

Hydrogen Cryo-Adsorption In Silica Aerogel: Analytical Model Of Adsorption In Porous Media And Experimental Validation, Adil Riahi

Graduate Thesis and Dissertation post-2024

Hydrogen has incontestably gained attention as one of the best alternative energy sources to fossil fuels due to its volatility, abundance and eco-friendly attributes. The classical methods for hydrogen storage in its gaseous or liquid forms such as high-pressure tanks or cryogenic temperatures display several challenges. Hence, the need to come up with innovative methods to store and transport it is imminent. Comparative studies have demonstrated that material-based hydrogen storage has proven promising in enhancing energy efficiency. However, material selectivity is the missing part of the puzzle to achieve optimal hydrogen storage performance. This dissertation introduces a novel material for …

Ritual Change And Sociopolitical Transformations At The Maya Center Of Pacbitun, Belize: Intra-Polity Interactions Between Epicenter And Periphery, George J. Micheletti

Graduate Thesis and Dissertation post-2024

This dissertation examines how peripheral communities at the ancient Maya site of Pacbitun, Belize, exercise agency through their ritual practices from the Middle Preclassic to the Late Classic periods. By focusing on public, semi-public, and private/domestic contexts, this study investigates how these peripheral households engaged with, maintained, or diverged from the elite ideologies emerging in the epicenter. Through a diachronic analysis of architecture and ritual deposits, particularly burials, this research traces the evolving interactions between the periphery and the epicenter across five major sociopolitical transformations. Fieldwork involved targeted excavations at select peripheral households and public ceremonial groups, supplemented by ceramic …

Exploration Of Augmenting Tower-Based Rf Equipment Visual Inspections With Infrared Cameras, Michael Sterkel

Graduate Thesis and Dissertation post-2024

This research examines the potential benefits and limitations of integrating infrared (IR) cameras into tower-mounted Radio Frequency (RF) equipment visual inspections. These inspections are critical for assessing risks posed by age-related degradation and environmental impacts to safeguard from failure or malfunction. The visual inspection method for tower installed RF equipment poses significant physical risks to the climber and inspection results prone to error due to assessments performed by unaided sight or with a visual camera. I propose using thermography and infrared (IR) camera technology to conduct these visual inspections. Thermography and IR cameras would capture detailed thermal imaging data that …

Curacao Milestone 2023: Welcoming Over Half A Million Tourists, Manuel Rivera, Valeriya Shapoval, Margaret Zorrilla

Dick Pope Sr. Institute Publications

In 2023, the Curaçao Tourism Board achieved significant milestones in promoting and developing the island as a premier tourist destination. The tourism sector experienced remarkable growth, with a 19% increase in stayover arrivals, reaching 582,400 visitors compared to 489,599 in 2022. This marked the first time Curaçao exceeded half a million stayover arrivals.

The success of Curaçao's tourism sector was bolstered by targeted marketing campaigns in key source markets. The Curaçao Tourist Board actively promoted the island through collaborations with local stakeholders, enhancing the effectiveness of their efforts. Additionally, the Board launched several initiatives to raise consumer awareness, such as …

One Beat, One Island: The Seamless Fusion Of Curaçao And The Curaçao North Sea Jazz Festival, Manuel Rivera, Robertico Croes, Brianna Morman, Margaret Zorrilla Cortez

Dick Pope Sr. Institute Publications

The Curaçao North Sea Jazz Festival (CNSJF) has established itself as a significant international event, attracting 6,232 attendees worldwide, significantly boosting the island’s tourism and cultural profile. Notably, 78.9% of attendees, or 4,917 "Festival-Passion Tourists," traveled to Curaçao specifically for the festival. These tourists were affluent and well-educated, primarily from the Netherlands, USA, Venezuela, Colombia, Aruba, and Suriname. Despite ongoing challenges with accessibility, particularly from Aruba, the festival strengthened perceptions of Curaçao as a destination, as evidenced by many visitors expressing intentions to return.[1] Held at the World Trade Center in Curaçao from August 29 through August 31, 2024, this …

Using Geographic Information Systems To Examine Unmet Healthcare Needs Among Transgender And Non-Binary Young Adults In Florida, Nino Franklin

Graduate Thesis and Dissertation 2023-2024

This study explored healthcare utilization among the Transgender and Gender Non-Binary (TGNB) population of Florida using Geographic Information Systems (GIS) to visualize and analyze the spatial distribution of unmet healthcare needs. The aim was to provide a clear comparison of unmet healthcare needs across various regions, highlight areas with the highest and lowest levels of unmet needs, and understand the demographic factors influencing these disparities. Utilizing survey data from the NIH-funded U=CARE study, which involved TGNB participants aged 18-26 from diverse racial/ethnic and socioeconomic backgrounds, the data were cleaned, geocoded, and analyzed within ArcGIS. Geocoded survey responses were linked to …

Opportunities And Insecurities: Discursive Power And The Neoliberal Transformation Of Work In The Great Resignation, Caroline Austin

Graduate Thesis and Dissertation post-2024

This study explores the Great Resignation—a mass wave of voluntary job departures during and after the COVID-19 pandemic— through a Foucauldian lens, exploring the intersections of neoliberal labor practices, worker subjectivities, and discursive power. Using Foucauldian Discourse Analysis (FDA) 25 interviews with individuals who resigned during this period were analyzed to explore how workers engage with neoliberal discourses in making sense of their work-related attitudes, experiences, and decisions as well as the broader discursive constructions used to interpret the Great Resignation as a societal phenomenon. Participants’ narratives reveal varying degrees of alignment, negotiation, and resistance to neoliberal subjectivity, shaped by …

An Intersectional Examination Of Adverse Childhood Experiences And Educational Outcomes In Children In The U.S., Josalie C. Condon

Graduate Thesis and Dissertation 2023-2024

Background: Research has found that Adverse Childhood Experiences (ACEs) have been shown to lead to a myriad of issues including struggling in school. The more ACEs a child experiences, the worse their outcome tends to be, including school outcomes. However, critics of ACE research have argued that not all ACEs weigh the same and intersectionality needs to be considered. Therefore, this study aims to analyze the relationship between ACEs and school outcome issues. These school outcome variables are analyzed, first with a binary ACE variable, then with ACE scale variable, to test whether more ACEs lead to worse outcomes. And, …

The Effects Of Esg On The Financial Performance Of Aerospace & Defense Companies, Cooper Trimble

Honors Undergraduate Theses

This study examines the relationship between Environmental, Social, and Corporate Governance (ESG) activity and financial performance in the context of firms operating in the Aerospace & Defense industry. As societal pressure increases for companies to adopt ESG and related corporate sustainability practices, it is crucial to understand the repercussions of such adoptions. As the Aerospace & Defense industry continues to grow and capitalize on post-COVID travel booms, military modernization efforts, and increased demand for advanced aerospace technology, it is essential to understand the consequences of ESG implementation. By examining data from 2012 – 2023, this study produced results regarding the …

Grief, Identity Transformation, And Resilience In Emerging Adulthood Following Profound Loss, Isabella S. Marcon

Honors Undergraduate Theses

Loss and grief are unfortunate forces of the human experience, highly variable in the experience of intensity and duration, not limited solely to death. Grief is the process that follows loss, and can be a transformative journey towards personal growth, healing, and reshaping one’s self-concept (Corless et al., 2014).

Individuals who have experienced the loss of a significant figure and have grappled with grief and bereavement during their childhood, adolescence, or emerging adulthood have yet to be thoroughly studied. The repercussions of navigating grief and bereavement during these formative years encompass intrapersonal relationships, coping mechanisms, resilience, and overall psychological well-being …

The Influence Of Foster Parent Characteristics On The Relational Permanence Of Foster Youth, Yogita Venkata

Honors Undergraduate Theses

Research suggests that lack of permanency is associated with an increased risk of aggression, mental instability, and delinquent behavior in children (Leve et al., 2012). A crucial component of permanency involves establishing stable connections, including relational permanence with peers and adults, which are believed to enhance the well-being of foster youth (Wekerle et al., 2009). Further, the literature suggests a relationship between a parent’s adverse traumatic experiences, their attachments to their own parents, and their ability to regulate their foster child’s relational permanence to supportive adults and peers. Foster parents who have experienced trauma are often insecurely attached to their …

A Pandemic In The Educational Sphere: Collecting And Understanding Students' Responses To University Communication On Covid-19, Matthew R. Stapleton

Graduate Thesis and Dissertation 2023-2024

This dissertation addresses the lived experiences of Florida college students during the COVID-19 pandemic, specifically the communication that was provided to them through their university on the subject of the pandemic. This two-stage research process first involved the collection of survey responses on a variety of pandemic communication-centered topics from 39 university students from three universities (University of Central Florida, University of Florida, and University of South Florida). Second, a subsequent interview with 7 students provided qualitative information to further explicate themes and trends seen through data analysis.

Using health and technical communication alongside crisis communication analyses to understand what …

Crusading For Fun And Profit: An Examination Of Ludohistorical Mode In The Crusader Kings Community, Kirk M. Lundblade

Graduate Thesis and Dissertation 2023-2024

How do participants in communities of play centered around digital games engage with history? The historiographic influences of ludic form have been closely scrutinized in recent years, but little attention has been paid to the digital cultures—to the communities of play— which center the discussion and play of these historical games. My study aimed to closely examine one such community centered around the grand strategy game Crusader Kings III, released by Paradox Interactive in 2020. I use discourse analysis together with grounded theory to examine the game Crusader Kings III alongside two primary sites found on reddit and Paradox …

An Exploration Of Mhealth Applications Usage Among Older Adults: A Mixed Methods Study, Francine N. Sutton

Graduate Thesis and Dissertation 2023-2024

This study examines the technology and appointment scheduling habits of older adults over the age of 55 through an exploratory sequential three phase mixed methods study. Phase One of this study examined features of ten existing mHealth applications through a qualitative content analysis, then a mHealth wireframe was developed from the app to replicate in addition to a redesigned version. Phase Two of the study was a thirty-four questions survey with 40 participants that inquired about their background with appointment scheduling, prior experience with technology, and demographics. After that, the mHealth applications were revised into two mHealth application prototypes. Lastly, …

Lucas' Gift: Exploring The Importance Of Self-Care, Kevaun L. Gayle

Graduate Thesis and Dissertation 2023-2024

Lucas' Gift is a traditionally animated short film focusing on themes of selflessness and self-care. In an alternate world where magic exists, lives a young boy from a small community experiencing a drought. After being gifted a magical plant growing necklace from the Good Witch, Lucas works diligently to feed his community. After working himself to exhaustion, he learns the importance of self-care. The artistic direction is influenced by works such as Steven Universe and Craig of the Creek.

From The Slime And Mud: Rumination As Fuel For Artistic Process, Olivia Van Natta

Graduate Thesis and Dissertation 2023-2024

This thesis examines my work to harness ruminative thinking as a driving force for my art practice. With a combination of drawing and painting in watercolor pencil, I activate and engage with rumination through the act of sublimation as defined in clinical psychology. Repetition of process and hand-rendered detail serve as outward channels for my obsessive cyclical thoughts. Based on my experience living with the physical effects of a hyperactive mind, I depict botanical life symbolically in an effort to communicate impressions of the bodily sensations associated with rumination, such as palpable tension, anxiety, or dread. In my research, I …

Prohibition In Sanford: Local Lives Questioning A National Narrative Presented Through Data, Discourse Analysis And Digital Mapping, Lindsey K. Yeazell

Graduate Thesis and Dissertation 2023-2024

This thesis uses a microhistorical methodology to examine the social impact and lived experience of Prohibition in Sanford, Florida, and the surrounding area – an historically "dry" community. Historiographical claims from state, regional, and national studies are tested through data sampling of Sanford Municipal Court Records; close readings of more than 200 Sanford Herald articles; and an oral history with a local museum curator based on family tradition.

This is an evidence-driven thesis. A thirty-percent sampling of 23,000 Sanford Municipal Court Records covering the Prohibition era (1920-1933) enables detailed analysis of alcohol-related arrest and enforcement patterns based on race, gender, …