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Articles 1 - 30 of 7773
Full-Text Articles in Engineering
Like You Search, Gipson Bachman
Like You Search, Gipson Bachman
LMU/LLS Theses and Dissertations
As consumers continue to make their purchases solely online without visiting brick-and-mortar stores, they increasingly look for ways to “touch, feel and try on” products without actually doing so. We believe social media influencers provide a way to do this, with the influencers themselves acting as “stand-ins” for consumers in their place. Finding influencers that look like you in 2022 sounds like it would be easy, but it isn’t. Until now.
LIKE YOU aims to answer this gap in the market by creating a proprietary search engine that, through answering a few questions, recommends a list of influencers that ...
Time Dependent Orienteering Problem With Time Windows And Service Time Dependent Profits, M. Khodadadian, A. Divsalar, C. Verbeeck, Aldy Gunawan, P. Vansteenwegen
Time Dependent Orienteering Problem With Time Windows And Service Time Dependent Profits, M. Khodadadian, A. Divsalar, C. Verbeeck, Aldy Gunawan, P. Vansteenwegen
Research Collection School Of Computing and Information Systems
This paper addresses the time dependent orienteering problem with time windows and service time dependent profits (TDOPTW-STP). In the TDOPTW-STP, each vertex is assigned a minimum and a maximum service time and the profit collected at each vertex increases linearly with the service time. The goal is to maximize the total collected profit by determining a subset of vertices to be visited and assigning appropriate service time to each vertex, considering a given time budget and time windows. Moreover, travel times are dependent of the departure times. To solve this problem, a mixed integer linear model is formulated and a ...
Educational Data Mining For Predicting University Students' Performance, To Enhance University Admission Criteria, Youssef Amr Naga
Educational Data Mining For Predicting University Students' Performance, To Enhance University Admission Criteria, Youssef Amr Naga
Theses and Dissertations
This thesis aims to propose and evaluate possible predictors of success for incoming university students to the American University in Cairo (AUC) who wish to enroll in its engineering programs, by considering their overall grade point average (GPA) at graduation as the measure of their success (output variable). This study is composed of two phases. First, available university admission variables; i.e., gender, high school diploma, high school score, and proficiency level in the English language (the language of instruction at AUC) at the time of application are evaluated as a predictor of students’ performance using five different data mining ...
Effect Of Automation Level On Cognitive Workload When Collaborating With A Robotic Assistant, Mitchell A. Champagne
Effect Of Automation Level On Cognitive Workload When Collaborating With A Robotic Assistant, Mitchell A. Champagne
LSU Master's Theses
Manufacturing robotics have been used for decades to perform repetitive tasks, or tasks that require increased levels of speed, strength, or precision to meet production and specification requirements. Determining the appropriate degree of automation for both the human and robot collaborative team members is critical to optimize production as well as user experience. If the degree of automation is too high, the human will be out of the loop which can result in the loss of situational awareness and be detrimental to intervention time and accuracy. If the degree of automation is too low, then the human may experience greater ...
Automated Robotic Light Bulb Testing Platform, Agha I. Akram, Muhammad Ali Ummy
Automated Robotic Light Bulb Testing Platform, Agha I. Akram, Muhammad Ali Ummy
Publications and Research
The main purpose of this project is to create a functional prototype of a multilayered system that incorporates aspects of electrical, mechanical, and computer engineering technology. The main objective of the system is to be able to determine whether a light bulb is working or not. The building blocks of this system are a robotic arm that is able to slide along a rail (for added mobility), a conveyor belt, and an electromechanical device that holds and tests light bulbs. Initially, the robot arm picks up a light bulb and places it into the holder which then tests it. A ...
Comparing Actively Managed Mutual Fund Categories To Index Funds Using Linear Regression Forecasting And Portfolio Optimization, Luke Weiner
Industrial Engineering Undergraduate Honors Theses
The global investment industry offers a wide variety of investment products especially for individual investors. One such product, index funds, which are younger than actively managed mutual funds, have typically outperformed managed funds. Despite this phenomenon, investors have displayed a tendency to continue investing in actively managed funds. Although only a small percentage of actively managed funds outperform index funds, the costs of actively managed funds are significantly higher. Also, managed fund performances are most often determined by their fund category such as growth or real estate. I wanted to answer the following question for individual investors: can we forecast ...
Analyzing Vulnerabilities In The Northwest Arkansas Highway Network Using Mathematical Optimization, Brandon Jerome
Analyzing Vulnerabilities In The Northwest Arkansas Highway Network Using Mathematical Optimization, Brandon Jerome
Industrial Engineering Undergraduate Honors Theses
The highway and bridge network is a critical infrastructure that allows for the free transportation of citizens and enables truck-borne freight transportation. Disruption of this system could be caused by a terrorist attack, natural disaster, growth of population, required repairs and upgrades, or collapse caused by old age or malfunction. In the event of a disruption cities and regions can experience increased traffic and supply chain shortages, thus causing cascading effects throughout surrounding areas. With this motivation, we develop a network interdiction optimization model to identify a limited subset of roads that, if disrupted, causes the greatest increase in the ...
Implementing The Cms+ Sports Rankings Algorithm In A Javafx Environment, Luke Welch
Implementing The Cms+ Sports Rankings Algorithm In A Javafx Environment, Luke Welch
Industrial Engineering Undergraduate Honors Theses
Every year, sports teams and athletes get cut from championship opportunities because of their rank. While this reality is easier to swallow if a team or athlete is distant from the cut, it is much harder when they are right on the edge. Many times, it leaves fans and athletes wondering, “Why wasn’t I ranked higher? What factors when into the ranking? Are the rankings based on opinion alone?” These are fair questions that deserve an answer. Many times, sports rankings are derived from opinion polls. Other times, they are derived from a combination of opinion polls and measured ...
Assessing The Influence Of Health Policy And Population Mobility On Covid-19 Spread In Arkansas, Tayden Barretto
Assessing The Influence Of Health Policy And Population Mobility On Covid-19 Spread In Arkansas, Tayden Barretto
Industrial Engineering Undergraduate Honors Theses
The outbreak of COVID-19 has created a major crisis across the world since its start in 2019, and its influence on every realm of society is undeniable. Globally, more than 500 million cases have been recorded since March 2020, with almost 6 million deaths. In the wake of this crisis, many governments and health organizations have taken steps and precautions to mitigate its spread. These steps involve public mandates of information, reducing frequency of personal contact, and use of masks to minimize the risk of transmission. Current access to mobility data released from Google detailing population movements has provided a ...
A Spatiotemporal Analysis Of Food Pantry Accessibility In Washington County, Arkansas, Coleman Warren
A Spatiotemporal Analysis Of Food Pantry Accessibility In Washington County, Arkansas, Coleman Warren
Industrial Engineering Undergraduate Honors Theses
Food pantries are an essential resource for impoverished and food insecure communities. Washington County, Arkansas has a food insecurity rate of 14.3% as compared to the national average of 10.9% (Feeding America, 2019). The Northwest Arkansas Food Bank has a robust pantry network in Washington County to support families and individuals who struggle with food insecurity.
We conducted a spatiotemporal analysis of food pantry accessibility in Washington County, Arkansas to evaluate the effectiveness of the food pantry network in Washington County at supporting communities with the most need. This analysis was conducted using the Two-Step Floating Catchment Area ...
Toward A Bio-Inspired System Architecting Framework: Simulation Of The Integration Of Autonomous Bus Fleets & Alternative Fuel Infrastructures In Closed Sociotechnical Environments, Ifezue Obiako
Theses and Dissertations
Cities are set to become highly interconnected and coordinated environments composed of emerging technologies meant to alleviate or resolve some of the daunting issues of the 21st century such as rapid urbanization, resource scarcity, and excessive population demand in urban centers. These cybernetically-enabled built environments are expected to solve these complex problems through the use of technologies that incorporate sensors and other data collection means to fuse and understand large sums of data/information generated from other technologies and its human population. Many of these technologies will be pivotal assets in supporting and managing capabilities in various city sectors ranging ...
A Novel Boundary Integral Formulation For Quantum Energy Eigenvalue Analysis And Its Application In A Model-Based Systems Engineering Framework For Quantum Systems Development, Mina Karimaghaei
Theses and Dissertations
In recent decades, the development and utilization of high-end technologies have increased noticeably. This progress has become possible by finding a complete understanding of physical rules in microscopic scales, such as quantum mechanics. Quantum technologies can be applied to various fields, including optics, superconduction, computing and simulation, precision measurement, and biomedical imaging to enhance the performance of relevant devices and systems. However, the complexity which emerges in the procedure of developing such devices can prevent one from taking advantage of potential quantum technologies to effectively develop these devices. In the current research, an attempt has been made to find a ...
Hierarchical Value Decomposition For Effective On-Demand Ride Pooling, Hao Jiang, Pradeep Varakantham
Hierarchical Value Decomposition For Effective On-Demand Ride Pooling, Hao Jiang, Pradeep Varakantham
Research Collection School Of Computing and Information Systems
On-demand ride-pooling (e.g., UberPool, GrabShare) services focus on serving multiple different customer requests using each vehicle, i.e., an empty or partially filled vehicle can be assigned requests from different passengers with different origins and destinations. On the other hand, in Taxi on Demand (ToD) services (e.g., UberX), one vehicle is assigned to only one request at a time. On-demand ride pooling is not only beneficial to customers (lower cost), drivers (higher revenue per trip) and aggregation companies (higher revenue), but is also of crucial importance to the environment as it reduces the number of vehicles required on ...
Competition And Third-Party Platform-Integration In Ride-Sourcing Markets, Yaqian Zhou, Hai Yang, Jintao Ke, Hai Wang, Xinwei Li
Competition And Third-Party Platform-Integration In Ride-Sourcing Markets, Yaqian Zhou, Hai Yang, Jintao Ke, Hai Wang, Xinwei Li
Research Collection School Of Computing and Information Systems
Recently, some third-party integrators attempt to integrate the ride services offered by multiple independent ride-sourcing platforms. Accordingly, passengers can request ride through the integrators and receive ride service from any one of the ride-sourcing platforms. This novel business model, termed as third-party platform-integration in this work, has potentials to alleviate market fragmentation cost resulting from demand splitting among multiple platforms. Although most existing studies focus on operation strategies for one single monopolist platform, much less is known about the competition and platform-integration and their implications on operation strategy and system efficiency. In this work, we propose mathematical models to describe ...
Design, Development, And Calibration Of An Electric Field Probe For Use On Sounding Rockets, Anthony Oreo, Anthony Oreo
Design, Development, And Calibration Of An Electric Field Probe For Use On Sounding Rockets, Anthony Oreo, Anthony Oreo
PhD Dissertations and Master's Theses
Earth’s ionosphere is a dynamic environment that has yet to be fully understood. Interactions of high-energy particles from space with atmospheric plasma and the Earth’s natural magnetic field create many interesting interactions, many of which have direct impacts on the planet and human life. Understanding the dynamics of the upper atmosphere is a compelling endeavor, with much of the research being conducted through high-altitude sounding rockets. These rockets allow for in-situ measurements of the physical parameters of the upper atmosphere which in turn helps in the answering of important questions in space science. In order to quantify the ...
Optimizing Class Access - Owlgo, Matthew Pendley, Bright Uchehara, Renji Maliakal, Jorge Solorzano
Optimizing Class Access - Owlgo, Matthew Pendley, Bright Uchehara, Renji Maliakal, Jorge Solorzano
Senior Design Project For Engineers
This is the senior design project for Optimizing Class Access using OwlGo. The researcher examine the Marietta campus of Kennesaw State University, in hopes of improving the assigned class locations for each major.
An Experimental Investigation Of Multi-Cylinder Conventional Ci Engine Using Madhuca Indica Oil As Fuel, Sreenivas S, Balakrishnan N, Kannan T K, Solaimuthu C
An Experimental Investigation Of Multi-Cylinder Conventional Ci Engine Using Madhuca Indica Oil As Fuel, Sreenivas S, Balakrishnan N, Kannan T K, Solaimuthu C
International Journal of Mechanical and Industrial Engineering
The present work is mainly discussed with a qualitative study of engine’s significant characteristics fuelled with mahua bio-diesel & its different types of mixtures with neat diesel. The significant technical properties of various mixtures are tabulated. A 4-S multi-cylinder (6-Cylinder) DI conventional CI engine is used for the study under different speed modes. All types of characteristics for various mixtures are estimated in running the engine. Pure diesel is indicated by B-0 and pure mahua bio-diesel is represented by B-100. From the test results, it is found that B-25 gives almost the same BTE as B-0 at maximum load, compared ...
Safety Evaluation Of Amusement Rides Using Accumulated Accident Data: Accident Data Framework, Kathryn Woodcock
Safety Evaluation Of Amusement Rides Using Accumulated Accident Data: Accident Data Framework, Kathryn Woodcock
Journal of Themed Experience and Attractions Studies
Amusement rides and devices are a popular form of recreation and important component of the tourism industry. Injury-producing accidents are rare, and the viability of the industry relies on perceived safety of the activity. Some existing metrics use accumulated accident reports. Several metrics tabulate the number of injuries, but none collect enough information about the context of accidents to analyse the accumulated data to deduce patterns. This paper describes an Accident Data Framework for a minimal set of variables from reports of amusement device accident, and the structure for a useful narrative to aid reporters and recorders to avoid introducing ...
When The Magic Closes: Examining How Disney Fans Coped With Theme Park And Resort Closures Amid The Covid-19 Pandemic, Cody Havard, Carissa A. Baker, Daniel L. Wann, Rick Grieve
When The Magic Closes: Examining How Disney Fans Coped With Theme Park And Resort Closures Amid The Covid-19 Pandemic, Cody Havard, Carissa A. Baker, Daniel L. Wann, Rick Grieve
Journal of Themed Experience and Attractions Studies
This essay discusses a qualitative investigation we conducted with fans of the Disney parks and resorts during the summer of 2020 regarding the company’s handling of the COVID-19 pandemic. Specifically, 22 people responded to open-ended questions from an online survey to discuss their views of the closures and planned reopenings of the Disney parks and resorts amid the early days of the pandemic. Using social identity theory (Tajfel, 1978) and the theory of planned behavior (Ajzen, 1991), we discuss how fans react to and cope with the temporary loss of a favorite activity and how companies in the themed ...
Covid-19 And Immersion: Physical, Virtual, And Home Spaces, Scott Lukas
Covid-19 And Immersion: Physical, Virtual, And Home Spaces, Scott Lukas
Journal of Themed Experience and Attractions Studies
This article considers the dramatic adaptations that have occurred in themed immersive spaces as they have dealt with the challenging dynamics of COVID-19. As COVID-19 has been a respiratory disease, it has impacted the operations of theme parks, casinos, cruise ships, and other immersive spaces, especially as such spaces have relied, traditionally, on physical forms of entertainment and immersion. The writing begins with a consideration of the COVID-19 challenges noted in the theme park and cruise ship industries. OceanMedallionTM and MyMagic+ technologies are considered for their possible positive role in addressing the operational dynamics during the pandemic. Issues of guest ...
Brighter But Not Clearer: Entertainment-Dependent Destinations Dealing With Long Covid, Louis-Etienne Dubois, Frederic Dimanche
Brighter But Not Clearer: Entertainment-Dependent Destinations Dealing With Long Covid, Louis-Etienne Dubois, Frederic Dimanche
Journal of Themed Experience and Attractions Studies
At the onset of the COVID-19 pandemic, we explored a range of very different possible outcomes for destinations that rely heavily on their entertainment sector (Dubois & Dimanche, 2021). Several months later, this article seeks to revisit those outcomes, while also highlighting the ongoing recovery efforts and evolving strategies of entertainment-dependent destinations (EDDs). To do so, we reconnected with the panel of respondents from various destinations (i.e., Las Vegas, Nashville, New Orleans etc.) to take stock of both new challenges and opportunities, as well as emerging factors impacting their respective markets. Our results show that while EDDs are facing a ...
Theme Parks, Staycation Practices, And Covid-19: Opportunities And Uncertainties, Salvador Anton Clavé
Theme Parks, Staycation Practices, And Covid-19: Opportunities And Uncertainties, Salvador Anton Clavé
Journal of Themed Experience and Attractions Studies
The effects of COVID-19 on the market transformation of the theme park industry has been significant in the short term because of travel restrictions. Challenges, impacts, responses, and strategies might vary from one region to another and even from one theme park to another. However, it can be assumed that domestic travel will continue to have an effect on the theme park industry during the months to come and likely beyond the pandemic. In this context, the “staycation” is becoming a booming trend in the leisure, entertainment, and tourism industry, creating new, current, and future unexpected economic winners and losers ...
Disney During Covid-19: The Tourist And The Actor’S Nightmare, Jennifer A. Kokai, Tom Robson
Disney During Covid-19: The Tourist And The Actor’S Nightmare, Jennifer A. Kokai, Tom Robson
Journal of Themed Experience and Attractions Studies
In this essay, we argue that the experience of being at Disney theme parks in COVID times was a waking version of what is sometimes called “The Actor’s Nightmare.” Due to safety regulations, theme parks either dropped live entertainment that structures the day as a show with a clear beginning and end (e.g. park-opening rope drop performances, and the fireworks), attempted to include references to COVID in live entertainment (like in
the Frozen Ever After singalong, which added some COVID jokes), or to ignore it (like the Festival of the Lion King). In any case, due to these ...
The “Politics Of Inclusion/Exclusion” In Times Of The Pandemic, Florian Freitag
The “Politics Of Inclusion/Exclusion” In Times Of The Pandemic, Florian Freitag
Journal of Themed Experience and Attractions Studies
As commercial enterprises that depend on attracting a maximum number of visitors in order to be economically successful, theme parks have generally been careful to avoid unpleasant, sensitive, or controversial themes (or aspects of a theme) that might offend or alienate potential customers. Due to official regulations concerning e.g. the wearing of masks in waiting lines and during rides, however, the pandemic cannot simply be “excluded” from the parks and remains constantly visually present, thus seriously undermining the companies’ efforts to keep the park grounds rigidly separated from the rest of the world. Particular operational decisions by some theme ...
“It Takes People To Make The Dream A Reality”: Disney’S Hr Strategy In Response To Covid-19, Jaime L. Williams, Allison A. Toth
“It Takes People To Make The Dream A Reality”: Disney’S Hr Strategy In Response To Covid-19, Jaime L. Williams, Allison A. Toth
Journal of Themed Experience and Attractions Studies
From January 2020 to the beginning of fall 2021, theme parks around the world have been required to engage in abnormal, abrupt, and major shifts in operations caused by the ongoing global pandemic (COVID-19). Through the process of sensemaking, this paper will focus on the human resources related decisions made by The Walt Disney Company in an effort to better understand the organization’s responses to changes in the external environment and the resulting outcomes during the pandemic. The overall management of Cast Members in the United States during this time period with specific focuses on the layoff and re-hiring ...
Are European Theme Parks Likely To Suffer From Long Covid?, Pieter Cornelis
Are European Theme Parks Likely To Suffer From Long Covid?, Pieter Cornelis
Journal of Themed Experience and Attractions Studies
COVID-19 has had a major impact on the theme park industry. Visits to European parks were significantly lower in 2020 than the year before. This article discusses the short-term and long-term economic consequences of the pandemic for the theme park industry. Attitudinal loyalty, inertia effects of guest satisfaction on repeat visits, (deferred) reinvestments, and the difference between theme and amusement parks will be considered. To compensate for losses in 2020, many parks increased their visitor numbers in the 2021 season to the maximum permitted capacity, especially in the summer months. As a result, analysis of waiting times at 22 investigated ...
Introduction: Theme Parks And Covid-19, Salvador Anton Clavé, Florian Freitag
Introduction: Theme Parks And Covid-19, Salvador Anton Clavé, Florian Freitag
Journal of Themed Experience and Attractions Studies
In the tourism industry, “crises” have been conceptualized as local and temporary phenomena, interval states that may require imminent action, but that can eventually be overcome, with business simply resuming. At the moment of writing, however, it is not at all clear when or if the theme park sector can simply return to a pre-pandemic state of affairs. Even if tourism may once again attain pre-COVID numbers, it may well be through entirely new and different forms. The essays collected here provide scholarly and professional snapshots of the current (winter 2021/2022) state of the theme park industry, with special ...
Carbon Nanotori Reinforced Lubricants In Plastic Deformation Processes, Jaime Taha-Tijerina, Juan Manuel Martinez, Daniel Euresti, Patsy Yessenia Arquieta-Guillen
Carbon Nanotori Reinforced Lubricants In Plastic Deformation Processes, Jaime Taha-Tijerina, Juan Manuel Martinez, Daniel Euresti, Patsy Yessenia Arquieta-Guillen
Manufacturing & Industrial Engineering Faculty Publications and Presentations
This research presents the effects of carbon nanotori structures (CNst) dispersed as reinforcement for metal-working and metal-forming lubricants. Synthetic (SL) and deep drawing (DD) nanolubricants were prepared following a two-step method at 0.01 wt.%, 0.05 wt.%, and 0.10 wt.% filler fractions. Slight increases in viscosity (<6%) for nanolubricants were observed as filler fraction was increased through various measured temperatures. Tribological behavior of nanolubricants displayed superb improvements under antiwear and extreme pressure conditions. The load carrying capacity (poz) increased by 16% and 22% at merely 0.01 wt.% CNst reinforcement and up to 73% and 107% at 0.10 wt.% filler fraction for SL and DD nanolubricants, respectively, compared to conventional materials. Additionally, at 0.10 wt.% wear scar evaluations showed a highest benefit of 16% and 24%, for ...6%)>
Application Of A Polynomial Affine Method In Dynamic Portfolio Choice, Yichen Zhu
Application Of A Polynomial Affine Method In Dynamic Portfolio Choice, Yichen Zhu
Electronic Thesis and Dissertation Repository
This thesis develops numerical approaches to attain optimal multi-period portfolio strategies in the context of advanced stochastic models within expected utility and mean-variance theories. Unlike common buy-and-hold portfolio strategies, dynamic asset allocation reflects the investment philosophy of a portfolio manager that benefits from the most recent market conditions to rebalance the portfolio accordingly. This enables managers to capture fleeting opportunities in the markets thereby enhancing the portfolio performance. However, the solvability of the dynamic asset allocation problem is often non-analytical, especially when considering a high-dimensional portfolio with advanced models mimicking practical asset's return. To overcome this issue, this thesis ...
Risk-And-Resiliency-Intelligent Supply Chain (Rrisc), Ahmad A. Abdelnabi, Ahmed M. Abdelmagid, Ghaith Rabadi, Andres Sousa-Poza, C. Ariel Pinto
Risk-And-Resiliency-Intelligent Supply Chain (Rrisc), Ahmad A. Abdelnabi, Ahmed M. Abdelmagid, Ghaith Rabadi, Andres Sousa-Poza, C. Ariel Pinto
Modeling, Simulation and Visualization Student Capstone Conference
This work proposes a risk-and-resiliency-intelligent supply chain (RRiSC) tool which is an SC risk management framework that leverages cutting-edge technologies in Artificial Intelligence (AI), Big Data Analytics (BDA), and Digital Twins (DT) to develop specific capabilities for SC risk management. RRiSC is a convergence of mature tools and techniques embedded in three modules: Modeling, Simulation, and Visualization – all together integrate the optimization, simulation, and data analytics to test the performance of the whole supply network under different scenarios through measuring the vital KPIs, identifying the vulnerabilities, and setting proactive plans to diminish risks consequences.