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81
Multilayer Reversible Data Hiding Based on the Difference Expansion Method Using Multilevel Thresholding of Host Images Based on the Slime Mould Algorithm
منشور في 2022"…One of the well-known designs of RDH is the difference expansion (DE) method. In the DE-based RDH method, finding spaces that create less distortion in the marked image is a significant challenge, and has a high insertion capacity. …"
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82
Barriers and Solutions to the Gap between Theory and Practice in Nursing Services: A Systematic Review of Qualitative Evidence
منشور في 2024"…The analysis of studies yielded 22 significant findings, subsequently categorized into six thematic areas based on their contextual similarity. …"
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83
Simulation Based Optimization of Logistics Decisions Under Horizontal Collaboration
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84
An Efficient Test Vector Compression Technique Based on Geometric Shapes
منشور في 2001"…One of the prime challenges of testing a system-on-a-chip (SOC) is to reduce the required test data size. …"
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85
Exploiting Functional Discourse Grammar to Enhance Complex Arabic Relation Extraction using a Hybrid Semantic Knowledge Base - Machine Learning Approach
منشور في 2023"…Relation extraction from unstructured Arabic text is especially challenging due to the Arabic language com plex morphology and the variation in word semantics and lexical categories. …"
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86
Agent-Based Reactive Geographic Routing Protocol for Internet of Vehicles
منشور في 2023"…Geographic routing protocols are a promising solution for the IoV, since they are based mainly on the location information which can be easily obtained through a location-based service. …"
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87
The impact of strategy diffusion on organisational performance of project-based organisations
منشور في 2021"…This study used a quantitative method to investigate the influence of strategy diffusion on organisational performance within project-based organisations, where significant positive influences on the relationships were found between the required research variables. …"
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88
Integrating technology pedagogy and content knowledge in Qatar’s preparatory and secondary schools: The perceptions and practices of STEM teachers
منشور في 2023"…The aim is to explore K-12 science and mathematics teachers’ views and practices about implementing STEM through technological pedagogical content knowledge (TPACK) model in Qatar and identify their challenges. The objective is to develop a TPD program using project-based learning pedagogical intervention to support K-12 science and mathematics teachers and to train them on how to implement PBL in their teaching practices. 245 STEM teachers from 16 preparatory and secondary schools, representing an equal number of males and females, responded to a STEM-TPACK survey on perceptions of and practices in teaching STEM subjects. …"
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89
Cellulose-based materials for antimicrobial water treatment: functionalization strategies and applications
منشور في 2025"…This review highlights a strategic approach of using cellulose-based materials for the development of sustainable and efficient solutions to address global water decontamination challenges.…"
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90
Recent advances in cobalt based heterogeneous catalysts for oxygen evolution reaction
منشور في 2020"…Therefore, in this review, we go through different cobalt-based electrocatalysts for OER, the general mechanism governing the OER process, the challenges that we are facing today to enhance the catalytic performance, and future aspects to overcome such challenges.…"
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91
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92
Scaffold‑based 3D cell culture models in cancer research
منشور في 2024"…This review article highlights the key advantages of 3D cell cultures, progress in the most common scaffold-based culturing techniques, pertinent literature on their applications in cancer research, and the ongoing challenges.…"
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93
Across the Spectrum In-Depth Review AI-Based Models for Phishing Detection
منشور في 2024"…These attacks can be detected using both traditional and modern AI-based models. However, even with state-of-the-art methods, accurately classifying newly emerged links as phishing or legitimate remains a challenge. …"
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94
Reinforcement Learning Based EV Charging Management Systems–A Review
منشور في 2021"…The application of electric vehicles (EV) in the smart grid has shown a significant option to reduce carbon emission. However, due to the limited battery capacity, managing the charging and discharging process of EV as a distributed power supply is a challenging task. …"
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95
Competition vs cooperation: An agent based model for sustainable tomatoes’ import system
منشور في 2024"…Interactions between trade partners are modeled using two game theoretic approaches counting<u> Cournot</u><u> competition</u> and <u>Cartel</u> collusion. Based on the research findings, a competitive global market can bring economic benefits to Qatar as an importing nation, but this approach also entails substantial <u>water consumption</u> and results in significant environmental emissions. …"
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96
Investigation of Groundwater Depletion in the State of Qatar and Its Implication to Energy Water and Food Nexus
منشور في 2021"…Long-term temperature data indicates that the annual mean temperature increased significantly by 1.02 °C between 1987 and 2016, while total rainfall exhibited a slight decreasing trend. …"
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97
An Ontology-based Semantic Web for Arabic Question Answering: The Case of E-Government Services
منشور في 2018"…These results confirm that the semantics-based approach significantly outperforms the keyword-based approach.…"
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98
Additive Manufacturing of Polymer/Mg-Based Composites for Porous Tissue Scaffolds
منشور في 2022"…Polymer biodegradable implants also improve the quality of life, particularly for an aging society, by eliminating the secondary surgery often needed to remove permanent implants and significantly reducing healthcare costs. This paper reviews the suitability of various biodegradable polymer/Mg composites for bone tissue scaffolds and then summarizes the current status and challenges of polymer/magnesium composite scaffolds. …"
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99
Human Action Recognition: A Taxonomy-Based Survey, Updates, and Opportunities
منشور في 2023"…A significant increase in feature learning-based representations for action recognition has emerged in recent years, due to the widespread use of deep learning-based features. …"
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100
Evaluating the Effectiveness of Author-Count Based Metrics in Measuring Scientific Contributions
منشور في 2023"…In these evaluation surveys, the researchers utilized a limited number of indices on a small and imbalanced dataset as well as on fictional case scenarios, which makes it challenging to determine the significance and influence of each metric over the others. …"