Databases and Information Systems Commons^™

Innovation Strategies In Small Agrarian Businesses In Sierra Leone, Solomon Sorba Scholz

Walden Dissertations and Doctoral Studies

In 2015, a sharp decline in the sustainability of small agrarian businesses in Sierra Leone resulted in the gross domestic product declining by 41%. The purpose of this multiple case study was to explore the innovation strategies owners of small agrarian businesses use to sustain their businesses for longer than 5 years. The disruptive innovation theory was the conceptual framework for this study. The participants were 16 owners of small agrarian businesses from Makeni, Kenema, Bo, and Freetown districts in Sierra Leone who have sustained their businesses for longer than 5 years. Data were collected using semistructured interviews, personal notes, …

Relationship Between Time Estimation, Cost Estimation, And Project Performance, Eyas Nakhleh

Walden Dissertations and Doctoral Studies

Although the project management role is increasing, project failure rates remain high. Project time and cost are 2 project factors that can affect the performance of the projects. The purpose of this correlational study was to examine the relationship between time estimation, cost estimation, and project performance. Data collection involved a purposive sample of 67 project sponsors, managers, and coordinators in Qatar. The theoretical framework was the iron triangle, also known as the triple constraints. Participants were randomly invited to answer 18 questions using the project implementation profile instrument. A standard multiple regression analysis was used to examine the correlation …

Strategies To Improve Adoption Of The Federal Enterprise Architecture Framework, Michael John Caruso

Walden Dissertations and Doctoral Studies

The U.S. federal government spends millions of taxpayer dollars to implement the federal enterprise architecture framework (FEAF). This qualitative multiple case study extracted successful FEAF implementation strategies used by agencies in the Washington, DC, metropolitan area. The population for this study included 10 information technology (IT) planners in 3 federal agencies. Data were collected from semistructured interviews and triangulated in comparison to 33 public documents. General system theory was used as a conceptual framework for the study, and data analysis included reviews of the academic literature, thematic analysis, and member checking to identify themes and codes related to successful aspects …

Use Of Mobile Telephones: Experiences Of First Responders In Rural African Communities, James Harding

Walden Dissertations and Doctoral Studies

Emergency medical technicians (EMTs) usually participate in disaster response in rural African communities. Disasters in African communities are often characterized by huge fatalities, which are associated with a slow pace of response. The use of information and communication technology in disaster response is recognized as an effective conduit for enhancing response. Previous research indicates the efficacy of the use of mobile telephones in disaster response in advance countries. However, there remains a critical gap in the available literature on the experiences of EMTs with the use of mobile telephones in disaster response in rural African communities. The purpose of this …

Relationship Between Perceived Usefulness, Ease Of Use, And Acceptance Of Business Intelligence Systems, Christina Ndiwa Sandema-Sombe

Walden Dissertations and Doctoral Studies

In retail, the explosion of data sources and data has provided incentive to invest in information systems (IS), which enable leaders to understand the market and make timely decisions to improve performance. Given that users’ perceptions of IS affects their use of IS, understanding the factors influencing user acceptance is critical to acquiring an effective business intelligence system (BIS) for an organization. Grounded in the technology acceptance model theory, the purpose of this correlational study was to examine the relationship between perceived usefulness (PU), perceived ease of use (PEOU), and user acceptance of business intelligence systems (BIS) in retail organizations. …

Project Managers’ Communication Strategies For Team Collaboration In Software Development, John Rubena Wani

Walden Dissertations and Doctoral Studies

Effective communication among team members in software development projects is increasingly significant for the success of the project. Successful software projects are the catalyst for achieving profitability objectives and creating shareholder value in organizations. The purpose of this single case study was to investigate communication strategies information technology (IT) project managers used for successful team collaboration in software development. The population for this study comprised senior IT project managers. The project managers had supervision responsibilities from a midsized IT company in Alberta, Canada. The sociotechnical theory guided this study as the conceptual framework. Data were collected from semistructured interviews with …

Exploring Strategies For Implementing Information Security Training And Employee Compliance Practices, Alan Robert Dawson

Walden Dissertations and Doctoral Studies

Humans are the weakest link in any information security (IS) environment. Research has shown that humans account for more than half of all security incidents in organizations. The purpose of this qualitative case study was to explore the strategies IS managers use to provide training and awareness programs that improve compliance with organizational security policies and reduce the number of security incidents. The population for this study was IS security managers from 2 organizations in Western New York. Information theory and institutional isomorphism were the conceptual frameworks for this study. Data collection was performed using face-to-face interviews with IS managers …

Strategies That Mitigate It Infrastructure Demands Produced By Student Byod Usa, Martha Dunne

Walden Dissertations and Doctoral Studies

The use of bring your own devices (BYOD) is a global phenomenon, and nowhere is it more evident than on a college campus. The use of BYOD on academic campuses has grown and evolved through time. The purpose of this qualitative multiple case study was to identify the successful strategies used by chief information officers (CIOs) to mitigate information technology infrastructure demands produced by student BYOD usage. The diffusion of innovation model served as the conceptual framework. The population consisted of CIOs from community colleges within North Carolina. The data collection process included semistructured, in-depth face-to-face interviews with 9 CIOs …

Exploring Data Security Management Strategies For Preventing Data Breaches, Michael Samuel Ofori-Duodu

Walden Dissertations and Doctoral Studies

Insider threat continues to pose a risk to organizations, and in some cases, the country at large. Data breach events continue to show the insider threat risk has not subsided. This qualitative case study sought to explore the data security management strategies used by database and system administrators to prevent data breaches by malicious insiders. The study population consisted of database administrators and system administrators from a government contracting agency in the northeastern region of the United States. The general systems theory, developed by Von Bertalanffy, was used as the conceptual framework for the research study. The data collection process …

Exploring Industry Cybersecurity Strategy In Protecting Critical Infrastructure, Mark Boutwell

Walden Dissertations and Doctoral Studies

Successful attacks on critical infrastructure have increased in occurrence and sophistication. Many cybersecurity strategies incorporate conventional best practices but often do not consider organizational circumstances and nonstandard critical infrastructure protection needs. The purpose of this qualitative multiple case study was to explore cybersecurity strategies used by information technology (IT) managers and compliance officers to mitigate cyber threats to critical infrastructure. The population for this study comprised IT managers and compliance officers of 4 case organizations in the Pacific Northwest United States. The routine activity theory developed by criminologist Cohen and Felson in 1979 was used as the conceptual framework. Data …

Exploring Information Technology Return On Investment Reports For Planning, Budgeting, And Implementation, Constantine Bitwayiki

Walden Dissertations and Doctoral Studies

The failure rate of new government information technology (IT) projects in developing countries is high, with 35% classified as total failures and approximately 50% as partial failures. The population for this study was 10 senior managers of a public sector organization in Uganda selected because of high IT project successes achieved through leveraging IT return on investment (ROI) reports. The purpose of this qualitative single-case study was to explore the strategies Ugandan senior public sector officials used to leverage IT ROI reports during planning, budgeting, and implementation of IT projects to reduce failure rates. The conceptual frameworks were the strategic …

Influential Determinants Of Internet Of Things Adoption In The U.S. Manufacturing Sector, Ronville D. Savoury

Walden Dissertations and Doctoral Studies

Manufacturers have been hesitant to adopt Internet of things (IoT) due to a lack of understanding about the innovate characteristics, technology, organizational and environmental factors related to IoT adoption and how their organizations can apply IoT correctly. This quantitative, correlational study used a combination of diffusion of innovation theory and technology–organization–environment framework as the foundation to examine if a relationship exists between relative advantage, complexity, compatibility, technology readiness, top management support, firm size, competitive pressure, and regulatory support and IT leaders' intent to adopt IoT in U.S. manufacturing organizations. A sample of 168 information technology (IT) leaders from the U.S. …

Managing Security Objectives For Effective Organizational Performance Information Security Management, Ramamohan Gutta

Walden Dissertations and Doctoral Studies

Information is a significant asset to organizations, and a data breach from a cyberattack harms reputations and may result in a massive financial loss. Many senior managers lack the competencies to implement an enterprise risk management system and align organizational resources such as people, processes, and technology to prevent cyberattacks on enterprise assets. The purpose of this Delphi study was to explore how the managerial competencies for information security and risk management senior managers help in managing security objectives and practices to mitigate security risks. The National Institute of Standards and Technology framework served as the foundation for this study. …

Cybersecurity Strategies To Protect Information Systems In Small Financial Institutions, Johnny Fadel Rawass

Walden Dissertations and Doctoral Studies

Leaders of financial institutions face challenges in protecting data because of the increased use of computer networks in the commerce and governance aspects of their businesses. The purpose of this single case study was to explore the strategies that leaders of a small financial institution used to protect information systems from cyber threats. The actor-network theory was the conceptual framework for this study. Data were collected through face-to-face, semistructured interviews with 5 leaders of a small financial institution in Qatar and a review of company documents relevant to information security, cybersecurity, and risk management. Using thematic analysis and Yin'€™s 5-€step …

Toward Using High-Frequency Coastal Radars For Calibration Of S-Ais Based Ocean Vessel Tracking Models, Ben Freidrich

Theses and Dissertations (Comprehensive)

Most of the world relies on ships for transportation, shipping, and tourism. Automatic Identification System messages are transmitted from ships and provide a wealth of positional data on these open ocean vessels. This data is being utilized to determine the optimal path for ships, as well as predicting where a ship may be going in the near future. It has only been in the past decade that Automatic Identification Systems (AIS) signals have been easily received with satellites (S-AIS) so there have been few studies that look at using available information and pairing it with the new abundance of ship …

Artificial Intelligence, Machine Learning, And Autonomous Technologies In Mining Industry, Zeshan Hyder, Keng Siau, Fiona Nah

Research Collection School Of Computing and Information Systems

The implementation of artificial intelligence (AI), machine learning, and autonomous technologies in the mining industry started about a decade ago with autonomous trucks. Artificial intelligence, machine learning, and autonomous technologies provide many economic benefits for the mining industry through cost reduction, efficiency, and improving productivity, reducing exposure of workers to hazardous conditions, continuous production, and improved safety. However, the implementation of these technologies has faced economic, financial, technological, workforce, and social challenges. This article discusses the current status of AI, machine learning, and autonomous technologies implementation in the mining industry and highlights potential areas of future application. The article presents …

Online Burst Events Detection Oriented Real-Time Microblog Message Stream, Guozhong Dong, Jun Gao, Liang Huang, Chunlei Shi

Research Collection School Of Computing and Information Systems

The rapid spread of microblog messages and sensitivity of unexpected events make microblog become the public opinion center of burst events. Online burst events detection oriented real-time microblog message stream has become an important research problem in the field of microblog public opinion. Because of the large amount of real-time microblog message stream and irregular language of microblog message, it is important to process real-time microblog message stream and detect burst events accurately. In this paper, an online burst events detection framework is proposed. In this framework, abnormal messages are detected based on sliding time window and two-level hash table. …

Storage Systems For Mobile-Cloud Applications, Nafize R. Paiker

Dissertations

Mobile devices have become the major computing platform in todays world. However, some apps on mobile devices still suffer from insufficient computing and energy resources. A key solution is to offload resource-demanding computing tasks from mobile devices to the cloud. This leads to a scenario where computing tasks in the same application run concurrently on both the mobile device and the cloud.

This dissertation aims to ensure that the tasks in a mobile app that employs offloading can access and share files concurrently on the mobile and the cloud in a manner that is efficient, consistent, and transparent to locations. …

Perancangan Strategis Sistem Informasi Di Smk Diponegoro 1 Jakarta, Iwan Supriyantoko

Elinvo (Electronics, Informatics, and Vocational Education)

SMK Diponegoro 1 Jakarta merupakan lembaga pendidikan pada Yayasan Al-Hidayah Jakarta yang berada di Jakarta Timur. Sebagai lembaga pendidikan yang tergolong lama, SMK Diponegoro 1 Jakarta berkembang dengan pesat, namum belum menerapkan Sistem Informasi dan Teknologi Informasi secara optimal dalam proses bisnisnya dan belum memiliki sebuah portofolio perencanaan strategis Sistem Informasi. Sehingga dipandang perlu dalam membuat sebuah sistem informasi strategis, guna memberikan unggulan dalam persaingan bisnisnya. Perencanaan strategis sistem informasi menjadi salah satu kunci dalam menerapkan sistem informasi dan teknologi informasi pada kegiatan bisnis. Perencanaan strategis yang tepat dapat mendukung rencana dan pengembangan bisnis organisasi. Bentuk perencanaan strategis yang akan …

Russia Today, Cyberterrorists Tomorrow: U.S. Failure To Prepare Democracy For Cyberspace, Jonathan F. Lancelot

Journal of Digital Forensics, Security and Law

This paper is designed to expose vulnerabilities within the US electoral system, the use of cyberspace to exploit weaknesses within the information assurance strategies of the democratic and republican party organizations, and deficiencies within the social media communications and voting machine exploits. A brief history of discriminatory practices in voting rights and voting access will be set as the foundation for the argument that the system is vulnerable in the cyber age, and the need for reform at the local, state and national levels will be emphasized. The possibility of a foreign nation-state influencing the outcome of an election by …