Saudi Cultural Missions Theses & Dissertations
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Item Restricted Radiomics in Upper Tract Urothelial Carcinoma: Integrating Machine Learning, CTU Imaging and Clinicopathological Variables for Improved Diagnosis, Prognosis, and Treatment(Saudi Digital Library, 2025-06-27) Alqahatni, Abdulsalam; Ghulam Nabi, Samira Bell, Chunhui LiUpper Urinary Tract Urothelial Carcinoma (UTUC) represents a significant challenge in urological oncology, with complex diagnostic and treatment pathways that significantly impact patient outcomes. Accurately predicting tumour characteristics, survival, and recurrence remains crucial for optimal patient management. This thesis explores the intersection of advanced imaging analysis, machine learning, and clinical practice to enhance our understanding and management of UTUC. Throughout this PhD journey, my supervisors allowed me to combine clinical expertise with cutting-edge technological approaches, specifically focusing on radiomics and machine learning applications in medical imaging. Each chapter of this thesis presents novel methodological approaches applied to highquality clinical imaging data to better understand and predict UTUC outcomes in three specific contexts. Firstly, I explored the application of radiomics-based machine learning for predicting UTUC grade and stage. This work demonstrated how advanced image analysis techniques may potentially enhance the accuracy of preoperative diagnosis, addressing a crucial clinical need for more precise, noninvasive diagnostic tools. Secondly, I investigated the prediction of survival in UTUC patients using radiomics features extracted from the computed tomography urogram. This section integrated clinical data with radiomics analysis to develop comprehensive prognostic models, offering new insights into patient risk stratification and outcome prediction. Thirdly, I presented an in-depth analysis of UTUC recurrence prediction using radiomics approaches, demonstrating how image-based features may contribute to identifying patients at higher risk of disease recurrence. Finally, the thesis concluded by exploring how its findings could improve clinical practice and suggesting the next research steps.7 0Item Restricted TRACKING THE SUCCESS OF CONVENTIONAL DECARBONISATION STRATEGIES with a Focus on CCS and CCUS(Saudi Digital Library, 2024) Alhazmi, Abeer; Robert Steinberger- WilckensThis research examines the effectiveness of traditional decarbonisation strategies, specifically focusing on Carbon Capture and Storage (CCS) and Carbon Capture, Utilisation, and Storage (CCUS) technologies. A comprehensive review evaluates the technological advancements, economic feasibility, and regulatory frameworks that have influenced the adoption of CCS and CCUS in the United Kingdom, the United States, the European Union, and Iceland. It also presents critical case studies of operational CCS/CCUS projects in these regions, offering a global perspective on the development of these technologies. The analysis encompasses optimistic and conservative projections for CCS deployment while evaluating the economic and storage capacity challenges inherent in the UK's decarbonisation plans. Moreover, it examines the cost analysis of various carbon capture methods, including Bioenergy with Carbon Capture and Storage BECCS and Direct Air Capture (DAC), to gauge the financial feasibility of these strategies and estimate the total decarbonisation cost for the UK’s energy system, projected at £3 trillion by 2050. The study concludes by estimating the UK's CO₂ storage capacity, suggesting its long-term feasibility based on current technological advancements and storage potential. This research underscores the importance of CCS and CCUS technologies in global decarbonisation efforts while addressing the uncertainties related to their long-term application and cost efficiency.17 0Item Restricted Analysing the Impact of Government Policy on Derivatives (Treasury Bills and Bonds) in the Banking Sector (Saudi Arabia)(Saudi Digital Library, 2024-09-10) Algandeel, Khalid Mohammed; Cheng, YanThis dissertation examines the effect of governmental policies on derivatives, particularly treasury bills and bonds, in the banking industry of the Kingdom of Saudi Arabia (KSA). This study is motivated by the lack of knowledge on how the governance structures affect these products' trading, use, and efficiency in the context of Saudi Arabia’s Vision 2030, with its focus on developing the financial sector. Following a qualitative secondary research methodology, this dissertation uses a systematic literature review to review the current literature and reports. The study shows that the policies are formulated by Saudi Arabia’s Central Bank (SAMA) and the Capital Market Authority (CMA) and are Sharia-compliant for ethical risk management. The following regulations have affected how Saudi banks operate and their financial outcomes by incurring compliance costs and flexibility in using derivatives. The challenges that are revealed during the study include the restrictions on certain sorts of activities and the rise of operating costs because of compliance. On the other hand, it also shows that more specific areas for banks’ development are related to the improvement of risk management and the usage of more sophisticated financial instruments, while realizing the existing legislation. The findings also show that while high standards of regulation and ethicality are attained by the regulations, such a system requires tactical adaptations to maintain the synergy between compliance and profit. Implications for the utilization of derivatives and improvement of the regulatory setting are also offered to encourage the sustainable development of Saudi Arabia’s banking industry.8 0Item Restricted CAD CAM Ceramics. A Review of the Scientific Literatures(Saudi Digital Library, 2025-04-04) Alsurayyie, Fatimah; Claydon, NicholasAbstract This study aims to provide a review of the literature on CAD/CAM ceramic restorations, focusing on their clinical properties compared to conventional restorations. In addition to manual searching, three scientific databases were searched for study designs that address at least one of the outcomes of interest regarding CAD/CAM ceramic restorations, including in vitro, in vivo, systematic, and narrative reviews. Up-to-date evidence supports an equivalent outcome of CAD/CAM to the conventional, including superior wear characteristics compared to the standard metal-ceramic restorations, with polished monolithic zirconia showing particularly promising wear characteristics compared to other ceramics. However, there are conflicting results regarding the abrasiveness of lithium disilicates compared to monolithic zirconia, though all were found to cause more wear than natural teeth, and the importance of surface treatment (polishing, glazing) was emphasized. Translucent monolithic zirconia improved aesthetics. However, it requires adequate thickness to compensate for the reduced strength (≥1.0 mm). There were deficiencies in long-term clinical trials regarding longevity; the available short- to medium-term studies showed high survival of CAD/CAM ceramic restorations (>90% at 5 years), expecting better performance with continuous technological development. Moreover, CAD/CAM workflow helped reduce laboratory time spent on restoration fabrication, which is necessary for increasing productivity. Based on laboratory and short-term clinical studies, the potential for CAD/CAM to surpass traditional methods is promising. However, the clinical evidence supporting CAD/CAM ceramic restorations is still not extensive. Therefore, well-conducted large clinical studies are needed to confirm the promising long-term performance of CAD/CAM ceramic restorations. Moreover, to help in the continuous enhancement of the material.4 0Item Restricted MISS(Saudi Digital Library, 2025-06-06) ALHARBI, TAHANI A; Sana, DasThis dissertation explores the application of Hybrid Project Management (HPM) models to distributed IT organisations, specifically the manner through which stakeholder requirements may best translate to executable strategies. Hybrid methodologies, integrating the flexibility of the Agile method with the structures of conventional governance, increasingly respond to the dispersion and complexity of contemporary IT settings. As the framework to steer this inquiry, a mixed-methods research model was used. Qualitative understanding emerged through thematic analysis of case study and literature reviews, whereas quantitative prioritization came through application of the Quality Function Deployment (QFD) framework. Six high-level stakeholder requirements, including role clarity, integration of the tools, psychological well-being, and structured communication, were uncovered and linked to respective project reactions ("HOWs") through the use of a QFD matrix. Intuitive digital ecosystem integration, duplicated communication boards, and explicitly defined hybrid roles emerged among the highest-priority strategies. Lower-ranked interventions, including the provision of Agile coaching and hybrid culture development programs, were acknowledged for their long-term support but scored lower on immediate impact. The research concludes by presenting the following set of evidence-led recommendations to IT project managers, including the need for digital integration, adaptive governance, and emotional resilience on hybrid teams. The study adds to the existing literature through its practical stakeholder-oriented framework for enhancing project alignment and delivery in distributed and complex contexts.7 0Item Restricted A critical Review of Interventions to Prevent or Reduce Workplace Violence in Primary Care(Saudi Digital Library, 2025-03-27) ALSHEHRI, Abdulrahman; Verma, ArpanaAbstract Background The Workplace Violence (WPV) is gaining significant concern in healthcare organisations affecting safety, employee health and organisational outputs. Evidently, WPV continues to be witnessed throughout the globe and hence calls for future research into the best practises, policies and directions. Objective This study will be aimed at reviewing existing WPV interventions, comparing the effectiveness of these interventions, and offering suggestions on how policy changes, educations and training sessions, and even the use of virtual reality can help in enhancing the safety of the employees at workplace. Methods This scoping literature review included articles identified from peer-reviewed journals concerning WPV prevention, trauma-informed care practises, and legal inflexibilities or limitations. Findings It reveals that structure interventions needs, VR training, trauma informed polices and improve reporting system must be facilitated into prioritised. Conclusion WPV prevention and control necessitate the use of effective measures, policies, and appropriations, together with constant assessment to protect the health care personnel.20 0Item Restricted Cognitive Mechanisms in Sentence Processing: Exploring Adaptability and Flexibility in Ungrammatical Sentence Comprehension through Syntactic Priming and Repeated Exposure(Saudi Digital Library, 2025-05-21) Alsahli, Mohammed Saad; Kamide, YukiUnderstanding how humans process and adapt to linguistic irregularities provides insight into the flexibility of the cognitive language system. This thesis investigates the cognitive mechanisms underlying the comprehension of ungrammatical sentences, focusing on syntactic priming, repeated exposure, and linguistic adaptability across native and non-native speakers. Building on the "Good Enough" model of sentence processing and theories of sentence acceptability, this research examines how exposure to ungrammatical structures influences language processing and how proficiency and contextual factors modulate these effects. Through a series of experiments, this work explores the role of repeated exposure in adapting to grammatical anomalies, revealing the processing system’s capacity to learn from linguistic variability. Additionally, it evaluates the impact of syntactic priming on the comprehension of structurally similar ungrammatical sentences, highlighting the influence of lexical overlap and thematic roles. Comparing native and non-native speakers provides insights into how linguistic proficiency shapes adaptability and resilience in managing grammatical violations. By integrating findings from eye-tracking, self-paced reading, and acceptability judgment tasks, this thesis demonstrates the robust and dynamic nature of the human language processing system. The results contribute to our understanding of how cognitive mechanisms accommodate ungrammatical input, offering broader implications for psycholinguistics, second2 0Item Restricted علاقة إعادة هندسة الموارد البشرية بأداء العاملين بالمستشفيات الحكومية: دراسة تطبيقية(Saudi Digital Library, 2025-04-01) الخياط, محمد عبدالمجيد; يسن, مصطفى محمد عبدالنبيتهدف هذه الدراسة إلى استكشاف العلاقة بين إعادة هندسة الموارد البشرية وأداء العاملين في المستشفيات الحكومية بمدينة الرياض بالمملكة العربية السعودية، حيث يُعد هذا المجال التطبيقي ذو أهمية كبيرة نظرًا للدور الحيوي الذي يلعبه القطاع الصحي في دفع عجلة التنمية وتحسين الصحة العامة في الدولة، كما أن تحسين أداء الموارد البشرية في هذا القطاع سيكون له انعكاس إيجابي على تحقيق التنافسية والريادة في المجال الصحي على المستوى المحلي والعالمي.2 0Item Restricted Risk Management and Resilience in Civil Engineering Megaprojects in Saudi Arabia: A Case Study Of Sindalah Island Resort(Saudi Digital Library, 2025-04) Alali, Hatim; Patel, ImranThis research study investigated the relationship between risk management and resilience in the success of civil engineering megaprojects in Saudi Arabia. Using the Sindalah Island Resort as a case study, the study employed the qualitative research approach, open-ended questionnaire to collect data through a Key Informant Interview, and the thematic analysis method, and findings indicate that leadership styles, technological tools, real-time monitoring are crucial to managing risk and recovering from delays and disruptions in megaprojects.18 0Item Restricted TRUST IN EPHEMERAL CONTENT IN SOCIAL MEDIA PLATFORMS: A MIXED-METHOD APPROACH EXAMINING ONLINE USERS’ PRIVACY CONCERNS IN THE CASE OF SNAPCHAT(Saudi Digital Library, 2025-05-02) Alghamdi, Ream; STANFILL, MELSocial media platforms have transformed online interactions, and they continue to provide individuals with novel means of connecting, sharing, and interacting with various forms of content. Yet, with the growing concerns regarding the privacy of data, security, and trust among users, especially with ephemeral content, it has become increasingly important to understand the relationship between data protection legislation, cultural factors, and user trust in the context of Snapchat's ephemeral messaging. This research focuses on Saudi Arabian and United States university students, examining their attitudes toward privacy threats, experiences with Snapchat's privacy settings, and the ways in which they mitigate data security concerns. Using a mixed-methods approach, the study integrates survey findings and interview data to provide an in-depth analysis of privacy concerns, self-disclosure behaviors, and cultural differences in digital trust. The study reveals how, while Snapchat's disappearing messages give the impression of better privacy, there is little awareness among its users about the app's data retention policies, with possible security risks. The report also determines how the evolving data protection legislation in Saudi Arabia, and in particular the Personal Data Protection Law (PDPL), affect user trust and compliance attitudes. By comparing Saudi and American perceptions, the study emphasizes the role of cultural norms in regulating privacy and online communication. The study contributes to digital privacy's growing body of literature by offering implications for policymakers, social media companies, and digital literacy activists, emphasizing the need for transparent privacy policies and educational campaigns. The results shape forthcoming discussions on the equilibrium between regulatory compliance and user anticipation in the fast-changing landscape of social media.14 0