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The Role Of Ai, Big Data And Predictive Analytics In Mitigating Unemployment Insurance Fraud, Siddikur Rahman, Md Abu Sayem, Shariar Emon Alve, Md Shahidul Islam, Muhammad Mahmudul Islam, Arifa Ahmed, Mohammed Kamruzzaman

Finance, Economics, and Data Analytics

The fraudulent claims for Unemployment Insurance (UI) have also risen massively in the United States especially during the onset of COVID-19 pandemic with billions of dollars that were lost. These approaches applied formerly in fraud detection and prevention have been challenged by new and advanced fraud systems. For this reason, AI, Big Data and Predictive Analytics are now crucial for improving fraud mitigation in UI programs. The aim of this research is to understand how far AI, Big Data and Predictive Analytics have been utilized, for how effective they are and the barriers they pose in tackling unemployment insurance fraud …

การใช้แสงไฟในเวลากลางคืนจากดาวเทียม คาดการณ์การใช้น้ำประปาของประเทศไทย, เจษฎายุทธ ไกรนรา

Chulalongkorn University Theses and Dissertations (Chula ETD)

งานวิจัยนี้นำเสนอการใช้ประโยชน์จากภาพถ่ายแสงไฟในเวลากลางคืนจากดาวเทียม (Night time light) และข้อมูลอื่น ๆ จากดาวเทียม มาเปรียบเทียบความสัมพันธ์กับการใช้น้ำประปา (ปริมาณน้ำจำหน่าย) ของจังหวัดต่าง ๆ ในประเทศไทย โดยวิธีการหาความสัมพันธ์ของปริมาณน้ำจำหน่ายกับข้อมูลที่ได้จากดาวเทียม เปรียบเทียบกับ ความสัมพันธ์ของปริมาณน้ำจำหน่าย กับข้อมูลจากหน่วยงานภาครัฐ ได้แก่ ผลิตภัณฑ์มวลรวมรายจังหวัด (GPP) จำนวนประชากรรายจังหวัด (POP) โดยการประยุกต์ใช้โปรแกรม QGIS แปลงข้อมูลจากดาวเทียม ได้แก่ ค่าแสงไฟในเวลากลางคืน (NTL) ค่าพื้นที่เมือง (URBAN) และค่าอุณหภูมิพื้นผิวในเวลากลางวัน (TEMP_DAY) ออกมาเป็นตัวเลขค่าเฉลี่ยรายจังหวัด เมื่อนำผลลัพธ์ที่ได้มาวิเคราะห์ความสัมพันธ์ระหว่างปริมาณน้ำจำหน่ายกับข้อมูลที่ได้จากดาวเทียม พบว่าข้อมูลที่ได้จากดาวเทียมสามารถใช้เป็นตัวแทนของข้อมูลจากภาครัฐได้ค่อนข้างดี คือสามารถใช้เป็นตัวได้จำนวน 3 กลุ่มจังหวัด คิดเป็นร้อยละ 28 ของทั้งประเทศ ดังนั้น จึงสรุปได้ว่าแสงไฟในเวลากลางคืน และข้อมูลอื่น ๆ จากดาวเทียมสามารถนำมาเป็นตัวชี้วัดและนำมาใช้ประโยชน์ในการวางแผนการขยายระบบประปาในอนาคตได้อย่างมีประสิทธิภาพ คำสำคัญ: แสงไฟในเวลากลางคืน (Nighttime Light), การใช้น้ำประปาของประเทศไทย

Ai And Workforce Development: A Comparative Analysis Of Skill Gaps And Training Needs In Emerging Economies, Gursahildeep Singh Sidhu, Md Abu Sayem, Nazifa Taslima, Ahmed Selim Anwar, Fariba Chowdhury, Manataka Rowshon

Finance, Economics, and Data Analytics

AI is developing quickly and offers considerable prospects for economic development; nevertheless, it presents crucial challenges for instance, skills development and its effect on employee's jobs in developing economies. This research will seek to establish the current state of AI related skills deficits and training in these economies to establish how governments and organizations can close the gaps by preparing the workforce for the future AI revolution. In line with the research questions, the following emerges as the research problem: To what extent have emerging market companies embraced AI? What key skills are scarce both in the internal and external …

Environmental Metrics In Action: Exploring U.S. Superfund Sites Affiliated With The Fashion Industry, Nidia K. Trejo

Textile Society of America: Symposium Proceedings

Little is known of Superfund sites, long-term clean up sites, affiliated with the apparel and footwear supply chain in the United States. The United States Environmental Protection Agency (US EPA) manages the clean up of contaminated sites that pose a significant risk to human health and the environment under the Superfund program. A site can become contaminated if hazardous waste from industrial operations are mismanaged or dumped into the environment, in an uncontrolled manner. In this study, a proposed Superfund site (Mohawk Tannery in Nashua, New Hampshire), an active Superfund site (Ciba-Geigy Corp. in Toms River, New Jersery), and a …

A Smart Energy-Efficient Hybrid Gait Monitoring System, Elsa Joy Harris

CGU Theses & Dissertations

Triboelectric nanogenerators are devices that harvest mechanical energy from the environment and turn it into electricity. By coupling the effect of contact electrification and electrostatic induction between two materials that come into contact and then separate they can convert the irregular, low frequency, waste biomechanical energy of human motion into useful electrical energy to run small body-worn electronics. This has shown promising results in multiple applications such as self-powered motion and haptic sensing, self-charging micro-storage devices, neuromorphic computing, and designing batteryless circuits to power small wearables. This work will investigate a smart energy-efficient hybrid gait monitoring system that is powered …

Amplification-Free Rapid Detection Of Specific Oligonucleotides Through Formation Of Core-Satellite Nanostructures On Solid Substrates, Vineet Kumar Jayakrishnan

Material Science and Engineering Theses - Archive

A rapid, portable, and highly sensitive method for detecting specific pathogens like Covid-19 would be invaluable for public health and emergency responses. The current standards like PCR and RT-PCR, are incredibly sensitive but also time-consuming, require skilled personnel, and demand substantial lab space. Here, we propose an alternative method capable of detecting specific oligonucleotide sequences within just 3 minutes, using a portable silicon or glass substrate (6 mm x 9 mm). We demonstrated this using 67-mer oligonucleotides with a Covid-19 sequence as a model system, achieving a detection sensitivity down to 1 nM. Our approach involves sandwiching target COVID-19 oligonucleotides …

Long-Term Simulation Of Stem Cell Mechanobiology, Manoochehr Rabiei

Mechanical and Aerospace Engineering Dissertations - Archive

An accurate representation of cellular mechanobiology necessitates the inclusion of subcellular elements characterized by minute masses and dimensions. These minute objects yield multiscale dynamic models with disproportionate terms, which require inordinate amounts of computational time to simulate. The computational requirements limit the time span of the simulation to time histories shorter than one second, even when employing supercomputers. This work presents a high-speed approach to simulating the mechanobiology of stem cells. The proposed approach separates the computational time from the size, and distribution, of masses of the subcellular elements, enabling the simulation of weeks-long cellular processes within hours on a …

Investigation Of Bone Structure And Composition Differences In Osteofibrous Dysplasia And Neurofibromatosis Type 1, Farzaneh Fereidouni

Material Science and Engineering Dissertations - Archive

Abstract

Investigation of Bone Structure and Composition Differences in Osteofibrous Dysplasia and Neurofibromatosis Type 1

Farzaneh Fereidouni, Ph.D.

The University of Texas at Arlington, 2024

Supervising Professor: Harry F. Tibbals

Bone genetic diseases such as Osteofibrous Dysplasia (OFD) and Neurofibromatosis type 1 (NF1) present significant challenges, particularly in children, due to their effects on skeletal homeostasis. This study aims to apply advanced material analysis to elucidate the biological disparities associated with OFD and NF1 bone dysplasia and contribute to developing diagnostic protocols and remediation approaches for these and similar bone disorders.

By employing various analytical methods, including analysis of mineral-to-matrix …

A Low-Noise, Low-Power Cmos Readout Ic For Amperometric Electrochemical Sensing System, Manu Chilukuri

Electrical Engineering Dissertations - Archive

Electrochemical sensing systems have become essential tools in numerous fields due to their exceptional sensitivity, selectivity, and versatility. They play a critical role in modern research, industry, environmental monitoring, and healthcare applications. In environmental monitoring, these systems are utilized to detect pollutants, heavy metals, and toxic gases, enabling real-time monitoring and ensuring environmental protection. In the biomedical sector, electrochemical sensing systems are vital for diagnosing diseases, monitoring biomarkers, and transforming healthcare practices.

Affordable wearable electrochemical sensing devices are crucial for making healthcare more accessible and improving public health outcomes. These devices allow for continuous monitoring of physiological parameters, supporting early …

Design And Experimentation Of Novel Human Head Surrogate Models For Sensing Traumatic Brain Injury, Arthur T. Koster

Mechanical and Aerospace Engineering Dissertations - Archive

Brain injury is a significant source of mortality in the US and has been an important area of research over the past century. The need to understand injury thresholds and pathology coupled with the difficulty of measuring relevant injury mechanisms in a living subject logically gives rise to the idea that researchers need to create head models for use in simulation and experimentation. This study focuses on understanding the effects of material properties, size, and shape on the dynamic response of a head model so that head models used in simulations and experiments can more accurately represent the real human …

Experimental Investigations And Optimization Of 3d Printed Cellular Structures For Protection Against Traumatic Brain Injury, Aaron R. Jackson

Mechanical and Aerospace Engineering Dissertations - Archive

Traumatic Brain Injury (TBI) disrupts brain function due to head impacts, blast exposures, and ballistic penetrations. It is a significant cause of mental health issues and disability, particularly among military personnel. Historically, combat helmets were designed primarily to protect against fragments. However, recent data highlights the need for helmets that also protect against blast and blunt impacts. Effective TBI prevention requires helmets that address various energy threats while remaining lightweight. A critical metric in this effort is head acceleration, which is closely linked to injury across different scales of brain damage.

Four lattice structures were 3D printed using Digital ABS …

Human System Composite Performance Measures: General Systems Performance Theory Insights, Lawrence Disalvi

Bioengineering Dissertations - Archive

Composite Performance Measures (CPMs) of human performance are widely employed in applications that range from mundane to life-changing, yet they are frequently presented without explanation or reference to theoretical underpinnings. The conceptual soundness of a widely used CPM approach, based on additive combination of constituent components, has been called into question by Kondraske. He argues the relevance of General Systems Performance Theory (GSPT) and performance capacity envelope concepts when applied to multidimensional CPM measures.

To obtain evidence-based answers to assertions regarding CPM types and rationale employed in medical and non-medical contexts, a Systematic Descriptive Review was conducted. Separately, the GSPT-based …

Computational And Experimental Analysis Of Silica Nanoparticles Under Dc And Ac Electric Fields Using A Self-Induced Back Action Actuated Nanopore Electrophoresis (Sane) Sensor, Homayoun Asadzadeh, Scott Renkes, George Alexandrakis, Minjun Kim, Scott Turpin

Bioengineering Dissertations - Archive

In this dissertation I have studied a novel single-molecule nanosensor that integrates a Solid-State Nanopore (SSNP), milled in silicon nitride with a Double Nanohole (DNH) nanoaperture, milled in gold. This device leverages Self-Induced Back-Action (SIBA) for optical trapping with ssNP electrical sensing and is called the SIBA-Actuated Nanopore Electrophoresis (SANE) sensor. My lab has previously shown that simultaneous acquisition of bimodal optical and direct current (DC) electrical signatures enables more detailed characterization of nanoscopic analytes compared to using electrical data alone, which are typically collected by ssNP sensors. In this work I have first studied by COMSOL Multiphysics simulations the …

Spray-On Sensor Formulations That Enable Detection Of Physical And Chemical Stimuli, Priyanka Shiveshwarkar

Bioengineering Dissertations - Archive

Polydiacetylene based materials have been used for a variety of liquid phase sensing applications. There remains a need for low cost, easy-to-read gas phase sensors for continuous monitoring of physiological parameters and environmental hazards at work or at home. Such sensors could have applications in everyday life, for example as point-of-care or at home testing devices to enable early detection of disease to reduce healthcare costs. Making accessible and non-invasive technologies for monitoring of health and health risks provides individuals with the ability to be proactive in regard to their health and safety. In other examples, environmental monitoring systems could …

Development Of Anti-Microbial Nanocoatings On Metallic Surfaces To Prevent Infections, Luis Fernando Soto Garcia

Bioengineering Dissertations - Archive

Healthcare-associated infections have a prevalence of about 7% in the United States and up to 50% in some developing nations. They not only present a constant risk for inpatients and healthcare workers but are also a serious challenge to human health services worldwide. These infections can be transmitted via contaminated non-critical surfaces like doorknobs and bedrails, which are routinely cleaned with low-level disinfectants approved by the U.S. Environmental Protection Agency. However, this strategy has limited efficacy since recontamination occurs, resulting in these surfaces again becoming vectors of infection. In this work, we addressed this issue by developing a self-disinfecting nanocomposite …

Net-Zero Home Race: Gamification For Learning Energy Consumption Merit, Terry E. Payne

Civil Engineering Theses - Archive

Buildings have contributed significantly to carbon emissions over the past decades, amplified by rapid construction growth. To address this, sustainable concepts like energy efficiency and financial planning for home retrofitting have become essential in promoting environmentally conscious practices. NZHR was created as a gamified experience to help bridge the gap between education and motivational enjoyment. Testing the game demonstrated participants' ability to learn and understand the importance of strategic thinking with home retrofit upgrades. Gamification principles such as the Octalysis and Bartle test were incorporated into the design process to construct a well-rounded game that provides intrinsic and extrinsic principles. …

Rc Baja: Suspension And Steering, Daniel Davis

All Undergraduate Projects

Engineers enrolled in the Mechanical Engineering Technology program at Central Washington University were tasked with developing a vehicle to compete in the ASME Baja competition. The engineers were in teams of two, one focused on suspension and steering and the other focused on drive train and chassis.

To begin the design of the vehicle, engineering analyses were completed on each of the components to comply with the requirements set by the team. After completion of multiple analyses for the components of the vehicle, the dimensions were validated and have been created in a CAD program to allow for virtual assembly …

Role Of Occupational Therapy Assessment And Office Ergonomics To Support Students With Accommodations In Higher Learning: A Narrative Review, Behdin Nowrouzi-Kia, Christi Tam, Raabia Khan, Bushra Alam, Sujatha Alla

Engineering Management & Systems Engineering Faculty Publications

Postsecondary students with disabilities (SWDs) face significant challenges to their academic and personal well-being. There is a demand for more supportive strategies to facilitate fulfilling and equitable academic experiences for SWDs. This review aimed to (1) determine the effectiveness of various interventions, programs, and accommodations for enhancing the overall well-being of postsecondary SWDs and (2) evaluate the implications of these support strategies for disability service providers at postsecondary institutions. A narrative review was conducted, examining 13 studies aimed at enhancing the well-being of postsecondary SWDs. Studies were classified using the International Classification of Functioning, Disability and Health (ICF) Model. Ergonomics, …

Reinforcement Learning For Optimal Kicking Actions In Humanoid Robotics: Advancing Robotic Autonomy And Versatility, Suresh Dodda, Sathish Kumar Chintala, Sukender Reddy Mallreddy, Sharath Chandra Macha, Yashwanth Vasa, Sapan Bharadwaj Bonala, Navin Kamuni, Sujatha Alla

Engineering Management & Systems Engineering Faculty Publications

Acquiring the necessary skills to perform a work effectively and efficiently requires a significant investment of time and computing power. Previous applications of Reinforcement Learning (RL) for action optimization in humanoid robotics have shown how promising this technology is for moving robotics towards true autonomy and versatility. Therefore, this study offers the first use of RL to create an entirely optimal kicking action for the Alderbaran Nao robot. Kicking motions that were steady, precise, quick, and able to kick farther than any existing RoboCup squad were generated by optimizing for a multi-objective reward function. We demonstrate that the ideal kicking …

Data Driven Trade-Off Analysis For Cybersecurity, Goskel Kucukkaya, Murat Ozer, Murat Balci, Emrah Ugurlu

Engineering Management & Systems Engineering Faculty Publications

Trade-off analysis, a specialization of systems engineering, addresses design criteria like security, cost, performance, and compliance. Monte Carlo simulations are commonly employed to generate impact scenarios for trade-off analysis combined with solution alternatives that accommodate industry-specific considerations and uncertainties. In the cyber domain, this paper proposes a methodology for data-driven trade-off analysis in cybersecurity, leveraging industry reports as primary data sources using confidentiality, integrity, and availability as trade-off analysis objectives. Distribution functions are derived to manage and model uncertainties for various industries. The approach given in this study aims to facilitate informed choices and to enhance cybersecurity decision making and …

Navigating The Complexities Of Engineering Management: Insights Into Metrics, Measurements, And Pitfalls, Charles Daniels

Engineering Management & Systems Engineering Faculty Publications

In the realm of Engineering Management, the reliance on metrics and measurements stands as a cornerstone for effective decision-making processes. These quantitative tools offer insights into performance dynamics and facilitate informed strategic choices. However, the uncritical application of metrics devoid of profound domain expertise presents significant challenges. This abstract explores the pitfalls inherent in utilizing metrics and measurements within Engineering Management without comprehensive understanding, emphasizing the potential consequences and proposing strategies for navigating this complex terrain.

Educating For Shalom In Engineering, Julie Wildschut

University Faculty Publications and Creative Works

Created in the image of God, humans have a unique purpose within creation. We are given the task of worshipping God (Isa 43:21), sharing the gospel of Jesus Christ (Mat 28:18-20), discovering and developing the potentials of creation (Gen 2:15), struggling and praying for shalom (Isa 1:17), and celebrating instances of God’s coming kingdom (Isa 9:1-7, Col 1:19-20). As Christian engineering educators, we have the additional task of preparing students to become capable engineers and to use those skills in response to God’s call in their lives. We have the blessing of not only teaching the technical aspects of engineering, …

Tailored Micromagnet Sorting Gate For Simultaneous Multiple Cell Screening In Portable Magnetophoretic Cell-On-Chip Platforms, Jonghwan Yoon, Yumin Kang, Hyeonseol Kim, Abbas Ali, Keonmok Kim, Sri Ramulu Torati, Mi-Young Im, Changyeop Jeon, Byeonghwa Lim, Cheolgi Kim

Center for Bioelectronics Publications

Conventional magnetophoresis techniques for manipulating biocarriers and cells predominantly rely on large-scale electromagnetic systems, which is a major obstacle to the development of portable and miniaturized cell-on-chip platforms. Herein, a novel magnetic engineering approach by tailoring a nanoscale notch on a disk micromagnet using two-step optical and thermal lithography is developed. Versatile manipulations are demonstrated, such as separation and trapping, of carriers and cells by mediating changes in the magnetic domain structure and discontinuous movement of magnetic energy wells around the circumferential edge of the micromagnet caused by a locally fabricated nano-notch in a low magnetic field system. The motion …

2023-2024 Annual Security And Fire Report – Sayre Campus, Southwestern Oklahoma State University

ANNUAL SECURITY & FIRE REPORTS

This is the 2023-2024 Annual Security and Fire Report of the Sayre Campus by Southwestern Oklahoma State University.

2023-2024 Annual Security And Fire Report – Weatherford Campus, Southwestern Oklahoma State University

ANNUAL SECURITY & FIRE REPORTS

This is the 2023-2024 Annual Security and Fire Report of the Weatherford Campus by Southwestern Oklahoma State University.

An Integrated Framework For Establishing Long-Term Transportation Management Strategies Promoting Sustainable Urban Growth, M Imtiaz Rahman

Graduate Theses, Dissertations, and Problem Reports (ETD)

Urban land areas are experiencing a more rapid expansion compared to their population growth on a global scale. This phenomenon, known as urban sprawl, is characterized by low-density development in the outskirts of cities. This unplanned urban growth leads to changing urban transportation patterns, posing a threat to sustainable development. In response, government agencies implement growth management practices, with transportation management strategies playing a crucial role in achieving sustainable urban growth. However, developing effective growth management strategies is difficult because of several challenges, including limited understanding of the key influencing factors, the complex interdependencies among these factors, and the uncertainties …

Implementing Unmanned Aerial Vehicles To Collect Human Gait Data At Distance And Altitude For Identification And Re-Identification, Donn E. Bartram

Graduate Theses, Dissertations, and Problem Reports (ETD)

Gait patterns are a class of biometric information pertaining to the way a person moves and poses. Gait information is unique to each person and can be used to identify and reidentify people. Historically, this task has been achieved through the use of multiple ground-based imaging sensors. However, as Unmanned Aerial Vehicles (UAVs) advance, they present the opportunity to evolve the process of persons identification and re-identification. Collecting human gait data using UAVs at distances ranging from 20m to 500m and altitudes ranging from 0m to 120m is a challenging task. The current biometric data collection methods, primarily designed for …

Exploring Service Quality Among Us Hajj Pilgrims In Compliance With Vision 2030 Objectives, Majid Abdulmalik Alshaibi

Graduate Thesis and Dissertation 2023-2024

Saudi Arabia is progressing with Vision 2030, an ambitious blueprint for economic variation, global connection, and improved quality of life. The Hajj pilgrimage is addressed by the Doyof Al Rahman Program (DARP), one of the vision's programs aiming to enhance the Hajj experience. The Hajj pilgrimage is one of the world's largest annual massive gatherings and it has already received increased attention from researchers combining elements of pilgrimage and tourism. This dissertation aims to explore Hajj service quality and pilgrims' satisfaction. To attain this objective, a narrative and systematic literature review was conducted to develop a framework with standardized …

Sustainable Additive Manufacturing Of Polysulfone Membranes For Liquid Separations, Brian Leonard, Harrison Loh, David Lu, Ebuka A. Ogbuoji, Isabel Escobar, Konstantinos Sierros, Oishi Sanyal

UK CARES Faculty Publications

Membranes serve as important components for modern manufacturing and purification processes but are conventionally associated with excessive solvent usage. Here, for the first time, a procedure for fabricating large area polysulfone membranes is demonstrated via the combination of direct ink writing (DIW) with non-solvent induced phase inversion (NIPS). The superior control and precision of this process allows for complete utilization of the polymer dope solution during membrane fabrication, thus enabling a significant reduction in material usage. Compared to doctor blade fabrication, a 63% reduction in dope solution volume was achieved using the DIW technique for fabricating similarly sized membranes. Cross …

Analysis Of Sediment-Discharge Hysteresis With The Interaction Of Hydrologic And Landscape Factors In The Upper Ping And Nan River Basin, Thailand, Soklin It

Chulalongkorn University Theses and Dissertations (Chula ETD)

Understanding landscape and climate influences on sediment transport is critical for managing river basins sustainably. This study investigates hydrological-sediment dynamics in the upper Ping and Nan River Basins in northern Thailand. The research focuses on three objectives: (1) identifying types and temporal trends of hysteresis between discharge and sediment concentration (Q–SSC); (2) quantifying interactions among hydrological and vegetation variables using Principal Component Analysis (PCA); and (3) analyzing structural relationships among climate, vegetation, and sediment transport through Partial Least Squares Structural Equation Modeling (PLS-SEM). Hysteresis analysis revealed significant spatial and temporal variability in sediment dynamics. The Ping River Basin (stations P.75, …