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Articles 2311 - 2340 of 7332
Full-Text Articles in Computer Sciences
Opening Books And The National Corpus Of Graduate Research, William A. Ingram, Edward A. Fox, Jian Wu
Opening Books And The National Corpus Of Graduate Research, William A. Ingram, Edward A. Fox, Jian Wu
Computer Science Faculty Publications
Virginia Tech University Libraries, in collaboration with Virginia Tech Department of Computer Science and Old Dominion University Department of Computer Science, request $505,214 in grant funding for a 3-year project, the goal of which is to bring computational access to book-length documents, demonstrating that with Electronic Theses and Dissertations (ETDs). The project is motivated by the following library and community needs. (1) Despite huge volumes of book-length documents in digital libraries, there is a lack of models offering effective and efficient computational access to these long documents. (2) Nationwide open access services for ETDs generally function at the metadata level. …
Strategies For It Product Managers To Manage Microservice Systems In Enterprises, Walter Zrzavy
Strategies For It Product Managers To Manage Microservice Systems In Enterprises, Walter Zrzavy
Walden Dissertations and Doctoral Studies
Many information technology (IT) product managers have experienced significant challenges in adopting microservice architecture (MSA) systems successfully in their organizations. Inefficiencies resulting from MSA system adoption are of concern to IT product managers as these inefficiencies increase the cost of maintenance and increase the time to deliver software updates to the business. Grounded in the technology-organization-environment theory, the purpose of this qualitative multiple case study was to explore the strategies used by IT product managers for the domain-driven design and development and operations practices to reduce the inefficiencies during the MSA system adoption. The participants were 18 IT product managers …
Exploring Trust In Cloud Computing For A Governmental Organization In Ethiopia: A Case Study, Estifanos Abebe Seyoum
Exploring Trust In Cloud Computing For A Governmental Organization In Ethiopia: A Case Study, Estifanos Abebe Seyoum
Walden Dissertations and Doctoral Studies
Organizations face a rapidly changing environment that forces them to seek high computing power. The problem was how to overcome factors that cause managers at governmental organizations in Ethiopia to be reluctant to trust cloud computing, while some managers overcame this lack of trust. The purpose of this qualitative, single case study was to provide a deeper understanding of how a governmental organization in Ethiopia overcame the factors that adversely influenced managers of other organizations to the extent that they distrusted and decided against adopting cloud computing. The population for this study was comprised of 12 managers from a governmental …
The Challenges Of Adopting Cloud Computing In Nigerian Government Organizations, Ayodele Adegbenga Bakare
The Challenges Of Adopting Cloud Computing In Nigerian Government Organizations, Ayodele Adegbenga Bakare
Walden Dissertations and Doctoral Studies
Several technical challenges prevent the adoption of cloud computing by government organizations in Nigeria. Information technology (IT) leaders in the Nigerian government are concerned about this problem because the lack of cloud computing adoption may prevent the Nigerian government from taking advantage of cloud-based information systems to improve its service delivery to citizens and businesses. Grounded in the technology acceptance model, the purpose of this quantitative correlational study was to examine if IT administrators’ perception of data security and perception of fault tolerance can predict their intentions to adopt cloud computing. Data were collected from 79 IT administrators in government …
Strategies To Implement A Material Management Information System For Medical Device Recalls, Paul Leo Lafrance
Strategies To Implement A Material Management Information System For Medical Device Recalls, Paul Leo Lafrance
Walden Dissertations and Doctoral Studies
Health care business executives lack strategies to implement material management information systems (MMIS) related to medical device recalls. Lacking sufficient MMIS, health care business executives face insufficient product tracking related to medical devices affecting operational efficiency. Grounded in the conceptual frameworks of the technology acceptance model and diffusion of innovation, the purpose of this qualitative single case study was to explore health care business executives’ strategies for implementing an MMIS related to medical device recalls. The participants were 6 health care executives who implemented an MMIS in an urban hospital in the northeast region of the United States. Data were …
Design Strategies For User Interfaces In Virtual Reality Environments, Jennifer Maple
Design Strategies For User Interfaces In Virtual Reality Environments, Jennifer Maple
Walden Dissertations and Doctoral Studies
The virtual reality market is rapidly increasing and is projected to drastically expand soon as more head-mounted displays are released to customers. These changes have made it more critical that organizations have adequate user interface strategies. Yet there is still a lack of research on how to design quality virtual reality user interfaces that result in positive user experiences. The purpose of this qualitative multiple-case study was to identify design strategies software developers use to create user interfaces for virtual reality environments. Constructionist and constructivist theories served as the conceptual frameworks. The participants consisted of 6 developers from 3 different …
Strategies To Lower Security Risks Involving Medical Devices In Patient Care, Brittany Latonia Thigpen
Strategies To Lower Security Risks Involving Medical Devices In Patient Care, Brittany Latonia Thigpen
Walden Dissertations and Doctoral Studies
Insufficient security and design strategies used during the analysis phase of medical device software development can lead to possible cybersecurity vulnerabilities with patient data. The purpose of this qualitative exploratory multiple case study was to explore strategies software developers use to implement security measures to protect patient information collected, sent, and stored by medical devices. The population for this study included software developers whose primary focus was on the security aspect of medical software in three software companies in the Baton Rouge, LA, area. The data collection process included semistructured interviews with 10 software developers and reviewing 16 organizational documents. …
A Content Analysis-Based Approach To Explore Simulation Verification And Identify Its Current Challenges, Christopher J. Lynch, Saikou Y. Diallo, Hamdi Kavak, Jose J. Padilla
A Content Analysis-Based Approach To Explore Simulation Verification And Identify Its Current Challenges, Christopher J. Lynch, Saikou Y. Diallo, Hamdi Kavak, Jose J. Padilla
VMASC Publications
Verification is a crucial process to facilitate the identification and removal of errors within simulations. This study explores semantic changes to the concept of simulation verification over the past six decades using a data-supported, automated content analysis approach. We collect and utilize a corpus of 4,047 peer-reviewed Modeling and Simulation (M&S) publications dealing with a wide range of studies of simulation verification from 1963 to 2015. We group the selected papers by decade of publication to provide insights and explore the corpus from four perspectives: (i) the positioning of prominent concepts across the corpus as a whole; (ii) a comparison …
Technical Strategies Database Managers Use To Protect Systems From Security Breaches, Leonard Ogbonna
Technical Strategies Database Managers Use To Protect Systems From Security Breaches, Leonard Ogbonna
Walden Dissertations and Doctoral Studies
Healthcare organizations generate massive amounts of data through their databases that may be vulnerable to data breaches due to extensive user privileges, unpatched databases, standardized query language injections, weak passwords/usernames, and system weaknesses. The purpose of this qualitative multiple case study was to explore technical strategies database managers in Southeast/North Texas used to protect database systems from data breaches. The target population consisted of database managers from 2 healthcare organizations in this region. The integrated system theory of information security management was the conceptual framework. The data collection process included semistructured interviews with 9 database managers, including a review of …
Strategies For Information Technology Employee Retention, Stephen Horton
Strategies For Information Technology Employee Retention, Stephen Horton
Walden Dissertations and Doctoral Studies
Information technology (IT) employee retention is essential to IT departments tasked with supporting the goals and objectives of the organization. IT employees manage, support, and direct IT to drive business, pursue innovation, and create a competitive edge. The purpose of this qualitative exploratory multiple case study was to identify strategies that IT managers use to retain IT employees in order to support the goals and objectives of the IT organization. The population for this study consisted of 5 IT managers in the transportation industry. The IT managers selected for this study had subordinates and delegation duties and worked for employers …
Strategies To Mitigate The Effects Of Identity Theft In The Hospitality Industry, Patricia Lee Jirsa
Strategies To Mitigate The Effects Of Identity Theft In The Hospitality Industry, Patricia Lee Jirsa
Walden Dissertations and Doctoral Studies
Leaders in the U.S. hospitality industry experience significant losses in profitability, increased mitigation cost, and reduced revenues because of business and consumer identity theft. Grounded in the fraud triangle theory and the fraud diamond theory, the purpose of this qualitative multiple-case study was to explore strategies leaders in the hospitality industry use to mitigate identity theft. A purposeful sample of 5 leaders of 5 different hospitality businesses in Montana participated in the study. Data were collected through semistructured interviews, member checking, and a review of company documents. During data analysis using Yin’s 5-step process, 3 key themes emerged: a new …
Temporal Data Extraction And Query System For Epilepsy Signal Analysis, Yan Huang
Temporal Data Extraction And Query System For Epilepsy Signal Analysis, Yan Huang
Theses and Dissertations--Computer Science
The 2016 Epilepsy Innovation Institute (Ei2) community survey reported that unpredictability is the most challenging aspect of seizure management. Effective and precise detection, prediction, and localization of epileptic seizures is a fundamental computational challenge. Utilizing epilepsy data from multiple epilepsy monitoring units can enhance the quantity and diversity of datasets, which can lead to more robust epilepsy data analysis tools. The contributions of this dissertation are two-fold. One is the implementation of a temporal query for epilepsy data; the other is the machine learning approach for seizure detection, seizure prediction, and seizure localization. The three key components of our temporal …
Deepmag+ : Sniffing Mobile Apps In Magnetic Field Through Deep Learning, Rui Ning, Cong Wang, Chunsheng Xin, Jiang Li, Hongyi Wu
Deepmag+ : Sniffing Mobile Apps In Magnetic Field Through Deep Learning, Rui Ning, Cong Wang, Chunsheng Xin, Jiang Li, Hongyi Wu
Electrical & Computer Engineering Faculty Publications
This paper reports a new side-channel attack to smartphones using the unrestricted magnetic sensor data. We demonstrate that attackers can effectively infer the Apps being used on a smartphone with an accuracy of over 80%, through training a deep Convolutional Neural Networks (CNN). Various signal processing strategies have been studied for feature extractions, including a tempogram based scheme. Moreover, by further exploiting the unrestricted motion sensor to cluster magnetometer data, the sniffing accuracy can increase to as high as 98%. To mitigate such attacks, we propose a noise injection scheme that can effectively reduce the App sniffing accuracy to only …
Exploring Strategies For Enforcing Cybersecurity Policies, Bayo Olushola Omoyiola
Exploring Strategies For Enforcing Cybersecurity Policies, Bayo Olushola Omoyiola
Walden Dissertations and Doctoral Studies
Some cybersecurity leaders have not enforced cybersecurity policies in their organizations. The lack of employee cybersecurity policy compliance is a significant threat in organizations because it leads to security risks and breaches. Grounded in the theory of planned behavior, the purpose of this qualitative case study was to explore the strategies cybersecurity leaders utilize to enforce cybersecurity policies. The participants were cybersecurity leaders from 3 large organizations in southwest and northcentral Nigeria responsible for enforcing cybersecurity policies. The data collection included semi-structured interviews of participating cybersecurity leaders (n = 12) and analysis of cybersecurity policy documents (n = 20). Thematic …
Strategies Used By It Project Managers To Integrate Icts In The Eastern Caribbean, Carl St. Aubin Roberts
Strategies Used By It Project Managers To Integrate Icts In The Eastern Caribbean, Carl St. Aubin Roberts
Walden Dissertations and Doctoral Studies
Current practices used to guide information and communication technology (ICT) projects in the Caribbean and developing countries lead to high project failure rates. Project managers must adopt new innovative approaches for transformation towards a 21st-century information society and sustainable digital economies. Grounded in the technology acceptance model (TAM), the purpose of this qualitative multiple-case study was to explore strategies information technology (IT) project managers use to implement IT frameworks designed to guide Caribbean ICT integration. Data were collected from face to face interviews and company documents and analyzed using coding, thematic analysis, and methodological triangulation. The participants were 12 IT …
Search Results: Predicting Ranking Algorithms With User Ratings And User-Driven Data, Gary Michael Taylor
Search Results: Predicting Ranking Algorithms With User Ratings And User-Driven Data, Gary Michael Taylor
Walden Dissertations and Doctoral Studies
The purpose of this correlational quantitative study was to examine the possible relationship between user-driven parameters, user ratings, and ranking algorithms. The study’s population consisted of students and faculty in the information technology (IT) field at a university in Huntington, WV. Arrow’s impossibility theorem was used as the theoretical framework for this study. Complete survey data were collected from 47 students and faculty members in the IT field, and a multiple regression analysis was used to measure the correlations between the variables. The model was able to explain 85% of the total variability in the ranking algorithm. The overall model …
Technology Business Leaders' Strategies To Increase Employees' Engagement, Desmond J. L. Browne
Technology Business Leaders' Strategies To Increase Employees' Engagement, Desmond J. L. Browne
Walden Dissertations and Doctoral Studies
AbstractEmployee disengagement is costly and reduces an organization's ability to meet its full potential to produce business results. Technology business leaders who have engaged employees can positively alter the company's rapid transformation to be more competitive. Grounded by the social exchange theory, the purpose of this qualitative single case study was to explore strategies 6 technology leaders in the Atlanta metropolitan area use to engage employees. Data were collected through semistructured interviews and company documents. Data were analyzed using Yin's 5-step data analysis process. Three themes emerged: communicate with transparency, provide offerings for training and rewards, and identify and implement …
Key Strategies For Successful Information Technology Projects, David Morris
Key Strategies For Successful Information Technology Projects, David Morris
Walden Dissertations and Doctoral Studies
AbstractThe successful implementation of information technology (IT) projects globally depends on the increasing reliance of project managers on IT innovations. Some project managers and business leaders do not possess the strategies to effectively manage and successfully implement IT projects. Grounded in coordination theory, the purpose of this qualitative multiple case study was to explore strategies used to successfully implement IT projects. Data were collected using semistructured interviews and from company documents. The participants comprised 6 IT project managers in Northeast Ohio who successfully implemented IT projects. Thematic analysis was used to analyze the data. Four themes emerged: communication amongst all …
Information Technology Infrastructure Library: Postimplementation Experiences Of Small Business It Support Employees., Imoovberame Darren Obazu
Information Technology Infrastructure Library: Postimplementation Experiences Of Small Business It Support Employees., Imoovberame Darren Obazu
Walden Dissertations and Doctoral Studies
Information technology (IT) employees of small business organizations have been the driving force for the implementation of innovative standardized IT service management and process improvement initiatives. Competitiveness amongst small business IT organizations in the market for quality IT service delivery led small business IT leaders toward the implementation of an information technology infrastructure library (ITIL) as an IT service management framework. The problem addressed in this research encompassed the needs of small business IT leaders and ITIL designers to understand the perceptions of IT operation employees following ITIL implementation. The purpose of this qualitative multiple case study was to explore …
Social Presence, Immediacy Of Communication, Concurrency, And Use Of Enterprise Social Networks, Veleta A. Gordon
Social Presence, Immediacy Of Communication, Concurrency, And Use Of Enterprise Social Networks, Veleta A. Gordon
Walden Dissertations and Doctoral Studies
Managers are faced with low continuous postadoption usage rates for enterprise social networks implemented at high costs. The problem is a potential loss of value-added benefits when organizations experience a lapse in continuous usage of enterprise social networks among corporate knowledge workers. The purpose of this quantitative study was to test the unified theory of acceptance and use of technology that relates collaboration technology constructs to continuous usage of enterprise social networks for knowledge workers at information technology Fortune 500 companies in the United States. The key research question aimed to examine the relationship among social presence, immediacy of communication, …
E-Commerce Strategies Small And Medium Enterprises Use To Market Products In Ghana, Joseph Kwaku Amaglo
E-Commerce Strategies Small And Medium Enterprises Use To Market Products In Ghana, Joseph Kwaku Amaglo
Walden Dissertations and Doctoral Studies
Small and medium enterprise (SME) business owners face challenges in adopting e-commerce strategies to market products. By utilizing e-commerce technology and tools, SME business owners could reach more customers and improve their business performance. Grounded in the technology acceptance model, the purpose of this qualitative multiple case study was to explore the strategies some SME business owners in the furniture industry used to adopt e-commerce to market products in Ghana. The participants comprised 5 SME business owners from 5 different furniture firms in Ghana who adopted e-commerce strategies to market products. Sources of data included semi-structured interviews, interview notes, and …
Information Security Ambassadors’ Perceptions Of Peer-Led Motivation In Phishing Detection, Kingkane Malmquist
Information Security Ambassadors’ Perceptions Of Peer-Led Motivation In Phishing Detection, Kingkane Malmquist
Walden Dissertations and Doctoral Studies
Phishing rates are increasing yearly and continue to compromise data integrity. The need to guard business information is vital for organizations to meet their business objectives and legal obligations. The purpose of this phenomenological study was to explore security ambassadors’ perceptions of motivating their peers to adopt safe internet behaviors in a large medical campus in Minnesota. Hackman and Oldham’s job characteristic motivation theory was used to frame the study. Data were collected from semistructured interviews with 20 security ambassadors. Data coding and analysis yielded 7 themes: rewarding, value, personal interest, limited information security knowledge, increased interest, communication, and topics …
Security Strategies To Prevent Data Breaches In Infrastructure As A Service Cloud Computing, Alberta Amanda Pratt-Sensie
Security Strategies To Prevent Data Breaches In Infrastructure As A Service Cloud Computing, Alberta Amanda Pratt-Sensie
Walden Dissertations and Doctoral Studies
Due to the ever-growing threat of security breaches that information technology (IT) organizations continually face, protecting customer information stored within the cloud is critical to ensuring data integrity. Research shows that new categories of data breaches constantly emerge; thus, security strategies that build trust in consumers and improve system performance are a must. The purpose of this qualitative multiple case study was to explore and analyze the strategies used by database administrators (DBAs) to secure data in a private infrastructure as a service (IaaS) cloud computing. The participants comprised of 6 DBAs from 2 IT companies in Baltimore, Maryland, with …
Transfer Equivalency Site For The Registrar, Janelle N. Rohrbach, Alissa C. Cielecki, Jules A. Turner
Transfer Equivalency Site For The Registrar, Janelle N. Rohrbach, Alissa C. Cielecki, Jules A. Turner
Capstone Showcase
The website, arcadia-transfer-equiv.com, was drafted and created for Bill Enick, Registrar at Arcadia University. This was an expansion of a preliminary version of the website created by Caleigh Diefenthaler, Christian Charney, and Dylan Power. The site includes two transfer equivalency tools which can be used to search for course equivalencies by academic institution or by a given Arcadia course. The tools, which pull from a database maintained by the Registrar, will display courses that have transferred to the University successfully. The website also hosts two interactive forms. These forms allow Arcadia students to request approval for courses that have or …
Understanding The Digital Lives Of Transnational Students: A Case Study, Chowaing Chagra Belekeh
Understanding The Digital Lives Of Transnational Students: A Case Study, Chowaing Chagra Belekeh
Open Access Theses & Dissertations
The proliferation and the fast-paced evolution of digital information communication technologies (ICTs) in contemporary times have arguably raised concern for us to comprehend what we do with these technologies and what these technologies do for us. The experience of engaging these technologies may not necessarily be the same for everyone—especially students who come from around the world to attain post-graduate degrees in the United States. This research focused on understanding the digital lives, choices, and experiences of transnational students who navigate and negotiate geopolitical borders and boundaries (physical)– in their quest for education. Using a case study analysis and collecting …
Telecommunications Database, Tristan Hess
Telecommunications Database, Tristan Hess
Williams Honors College, Honors Research Projects
The final goal of this project was to create a web application that is specifically tailored to make management of data for the Telecommunications department easier. The software that the department uses for phone service generates monthly reports that cannot be stored into their current database system. The Telecommunications Database project is a four-tier web application that was developed to store the monthly report information and alleviate the burden of manually searching through the reports for information. The web application implements basic database functionality for searching, inserting, updating, and deleting data contained in the monthly reports. Advanced searching functionality and …
Development And Field Testing Of A Mall For Filipino With A Reusable Framework For Mobile-Based Drills, Jenilyn Agapito, Dominique Marie Antoinette Manahan, Ma. Monica L. Moreno, Jose Isidro Beraquit, Ingrid Yvonne Herras, Kevin Arnel C. Mora, Johanna Marion R. Torres, Ma. Mercedes T. Rodrigo
Development And Field Testing Of A Mall For Filipino With A Reusable Framework For Mobile-Based Drills, Jenilyn Agapito, Dominique Marie Antoinette Manahan, Ma. Monica L. Moreno, Jose Isidro Beraquit, Ingrid Yvonne Herras, Kevin Arnel C. Mora, Johanna Marion R. Torres, Ma. Mercedes T. Rodrigo
Department of Information Systems & Computer Science Faculty Publications
This paper describes the development and field testing of Ibigkas! Filipino, a mobile game that exercises learners’ fluency in identifying synonyms (kasingkahulugan) and antonyms (kasalungat) in the Filipino language. Twenty-four students from Grades 4, 5, and 6 were invited to play and answer comprehension tests to determine whether the game helped them improve their understanding of the content. Self-report questionnaires assessed the extent to which they enjoyed it. Additionally, three teachers were invited to a focus group discussion (FGD) to gather their insights about the game and how they may use it in their classes. Self-report feedback from students showed …
Predicting Stag And Hare Hunting Behaviors Using Hidden Markov Model, Rex Bringula, Ma. Mercedes T. Rodrigo
Predicting Stag And Hare Hunting Behaviors Using Hidden Markov Model, Rex Bringula, Ma. Mercedes T. Rodrigo
Department of Information Systems & Computer Science Faculty Publications
In this paper, we used Hidden Markov Model (HMM) to describe the gaming behaviors of students and whether they will exhibit “stag” or “hare” hunting behavior in a mobile game for mathematics learning. We found that there is a 99% probability that the students will stay either as stag or hare hunters. Our results also suggest that they would choose arithmetic problems involving addition. These game behaviors are not beneficial to learning because they are only exhibiting mathematical skills they already know. The results of the study show that stag and hare hunters have unique traits that separate the one …
Managing Inventory: A Study Of Databases And Database Management Systems, Jemal M. Jemal
Managing Inventory: A Study Of Databases And Database Management Systems, Jemal M. Jemal
Senior Independent Study Theses
Databases play an important role in the storage and manipulation of data. Databases and database management systems allow for fast and efficient data querying that has recently become increasingly important in most companies and organizations. This paper introduces a few of the different types of database management systems that are in widespread use today. It introduces some important terminology related to databases and database management systems. This paper also briefly discusses web user interfaces, highlighting important user interface design principles. Finally, an inventory management system is implemented for a local stationery store and is integrated with a web application to …
Repositories For Taxonomic Data: Where We Are And What Is Missing, Aurélian Miralles, Teddy Bruy, Katherine Wolcott, Mark D. Scherz, Dominik Begerow, Bank Beszteri, Michael Bonkowski, Janine Felden, Birgit Gemeinholzer, Frank Glaw, Frank Oliver Glöckner, Oliver Hawlitschek, Ivaylo Kostadinov, Tim W. Nattkemper, Christian Printzen, Jasmin Renz, Nataliya Rybalka, Marc Stadler, Tanja Weibulat, Thomas Wilke, Susanne S. Renner, Miguel Vences
Repositories For Taxonomic Data: Where We Are And What Is Missing, Aurélian Miralles, Teddy Bruy, Katherine Wolcott, Mark D. Scherz, Dominik Begerow, Bank Beszteri, Michael Bonkowski, Janine Felden, Birgit Gemeinholzer, Frank Glaw, Frank Oliver Glöckner, Oliver Hawlitschek, Ivaylo Kostadinov, Tim W. Nattkemper, Christian Printzen, Jasmin Renz, Nataliya Rybalka, Marc Stadler, Tanja Weibulat, Thomas Wilke, Susanne S. Renner, Miguel Vences
Harold W. Manter Laboratory of Parasitology: Library Materials
Natural history collections are leading successful large-scale projects of specimen digitization (images, metadata, DNA barcodes), thereby transforming taxonomy into a big data science. Yet, little effort has been directed towards safeguarding and subsequently mobilizing the considerable amount of original data generated during the process of naming 15,000–20,000 species every year. From the perspective of alpha-taxonomists, we provide a review of the properties and diversity of taxonomic data, assess their volume and use, and establish criteria for optimizing data repositories. We surveyed 4,113 alpha-taxonomic studies in representative journals for 2002, 2010, and 2018, and found an increasing yet comparatively limited use …