Showing 4,601 - 4,620 results of 5,943 for search '"securities"', query time: 0.10s Refine Results
  1. 4601

    Examining the Effects of Investor Sentiment Shocks on Normal and Abnormal Returns in the Oil Products Sector of the Tehran Stock Exchange: A PVAR Analysis by Mohammad Javad Zare Bahnamiri, Samira Balavar, vahid omidi

    Published 2024-12-01
    “…AbstractThe behavioral finance perspective posits that fluctuations in security prices are significantly influenced by investors' emotional responses, which can, in turn, affect stock returns. …”
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    Article
  2. 4602

    Winter Wheat Yield Prediction Using Satellite Remote Sensing Data and Deep Learning Models by Hongkun Fu, Jian Lu, Jian Li, Wenlong Zou, Xuhui Tang, Xiangyu Ning, Yue Sun

    Published 2025-01-01
    “…This research validates the effectiveness of combining deep learning with remote sensing data in crop yield prediction, providing technical support for precision agriculture and contributing to global food security and sustainable agricultural development.…”
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    Article
  3. 4603

    Toward Design of a Drip-Stand Patient Follower Robot by Zewen Wu, Shahram Payandeh

    Published 2020-01-01
    “…A person following robot is an application of service robotics that primarily focuses on human-robot interaction, for example, in security and health care. This paper explores some of the design and development challenges of a patient follower robot. …”
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  4. 4604

    Global Transcriptomic Analysis of Inbred Lines Reveal Candidate Genes for Response to Maize Lethal Necrosis by Ann Murithi, Gayathri Panangipalli, Zhengyu Wen, Michael S. Olsen, Thomas Lübberstedt, Kanwarpal S. Dhugga, Mark Jung

    Published 2025-01-01
    “…Maize lethal necrosis (MLN) is a significant threat to food security in Sub-Saharan Africa (SSA), with limited commercial inbred lines displaying tolerance. …”
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    Article
  5. 4605

    Advising parents when their child has a fever: a phenomenographic analysis of nurses’ perceptions when working at a telephone helpline, at primary care or at a paediatric emergency... by Carina Elmqvist, Anders Svensson, Marta Sund-Levander, Emma Westin, Ingrid L Gustafsson

    Published 2024-01-01
    “…What dominates are the nurses’ perceptions of the inner qualities required to achieve a balance in the process, for example, the importance of experience and security in their professional role, while it is also necessary to get support from colleagues.…”
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  6. 4606

    Adaptation to climate change in pastoral communities: a systematic review through a social-ecological lens by Matilda Azong Cho, Onisimo Mutanga, Tafadzwanashe Mabhaudhi

    Published 2024-12-01
    “…These limitations may potentially affect pastoral livelihoods adversely, with severe consequences for food security and poverty levels in Africa. Social implications – A comprehensive understanding of the challenges pastoralists face in Africa to adapt to climate change will assist in defining high-level policies and interventions to improve pastoral communities’ adaptation actions. …”
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    Article
  7. 4607

    Analysis of Spatial Distribution Pattern and Driving Factors of Nature Reserves in Xinjiang by Yue Yang, Zhaoping Yang, Fang Han

    Published 2025-01-01
    “…Establishing nature reserves is fundamental to promoting ecological civilization and ensuring the ecological security of sustainable development, as well as a key strategy for maintaining the integrity of the national ecosystem. …”
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    Article
  8. 4608

    Cascading Failures Analysis Considering Extreme Virus Propagation of Cyber-Physical Systems in Smart Grids by Tao Wang, Xiaoguang Wei, Tao Huang, Jun Wang, Luis Valencia-Cabrera, Zhennan Fan, Mario J. Pérez-Jiménez

    Published 2019-01-01
    “…This paper focuses on cascading failures in interdependent systems from the perspective of cyber-physical security. In the interdependent fault propagation model, the complex network-based virus propagation model is used to describe virus infection in the scale-free and small-world topologically structured communication networks. …”
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  9. 4609

    The Impact of Protective Policies on Farmers’ Black Soil Conservation Behaviors: Empirical Insights from Sanjiang Plain, China by Tianyi Wang, Linghui Liu, Shanlin Huang, Wanting Jiang

    Published 2024-12-01
    “…Understanding the logic of farmers’ black soil conservation behaviors and promoting these actions are crucial measures for enhancing soil quality and ensuring national food security. This article uses survey data from 676 farmers in typical black soil areas of the Sanjiang Plain, China, employing binary logistic regression and mediation effect models to empirically examine the impact of protective policies on farmers’ black soil conservation behaviors and the mediating effect of their perceptions. …”
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  10. 4610

    Physics-Informed Denoising Model for Dynamic Data Recovery of Power Systems by Jian Li, Guoqiang Lu, Yongbin Li, Dongning Zhao, Huaiyuan Wang, Yucheng Ouyang

    Published 2025-01-01
    “…However, the actual data may be corrupted by noise in the process of measurement or transmission, and the accuracy of dynamic security assessment (DSA) will be affected. In light of the poor interpretability exhibited by traditional machine learning (ML) methods in denoising, a physics-informed denoising model (PIDM) for dynamic data recovery is proposed. …”
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  11. 4611

    A Cryptographic Scheme for Construction of Substitution Boxes Using Quantic Fractional Transformation by Abid Mahboob, Muhammad Asif, Muhammad Nadeem, Aysha Saleem, Sayed M. Eldin, Imran Siddique

    Published 2022-01-01
    “…In the new era of cryptography, Substitution Boxes (S-Boxes) are very important to raise confusion in cipher text and the security of encryption directly depends on the algebraic strength of S-box. …”
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  12. 4612

    Deep Learning Framework for Advanced De-Identification of Protected Health Information by Ahmad Aloqaily, Emad E. Abdallah, Rahaf Al-Zyoud, Esraa Abu Elsoud, Malak Al-Hassan, Alaa E. Abdallah

    Published 2025-01-01
    “…Comprehensive evaluations are conducted across 23 PHI categories, as defined by HIPAA, ensuring thorough security across critical domains. The optimized model achieves exceptional performance metrics, with a precision of 99%, recall of 98%, and F1-score of 98%, underscoring its effectiveness in balancing recall and precision. …”
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  13. 4613

    Recent Advances in Sharding Techniques for Scalable Blockchain Networks: A Review by Brandon Liew Yi Quan, Nur Haliza Abdul Wahab, Arafat Al-Dhaqm, Ahmad Alshammari, Ali Aqarni, Shukor Abd Razak, Koh Tieng Wei

    Published 2025-01-01
    “…The increasing volume of transactions in blockchain networks has caused issues in terms of scalability, transaction efficiency, storage, and security, which obstruct the global adoption of blockchain technology. …”
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  14. 4614

    Power Prioritization and Load Shedding in an Island with RESs Using ABC Algorithm by L. O. Mogaka, G. N. Nyakoe, M. J. Saulo

    Published 2020-01-01
    “…In instances where power demand exceeds generation within islanded microgrid or due to an occurrence of a contingency, optimum load shedding should be put in place so as to enhance system security and stability of the power system. Load shedding is traditionally done based on undervoltage measurements or underfrequency measurements of a given section of the grid. …”
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  15. 4615

    How does agricultural insurance influence grain production scale? An income-mediated perspective by Dainan Hou, Xin Wang, Xin Wang

    Published 2025-01-01
    “…This study applies the von Neumann-Morgenstern expected utility model, coupled with theories on economies of scale, technology diffusion, and rational choice, to examine the theoretical links between agricultural insurance, farmers’ income, and grain production scale.ResultsUsing panel data from 27 Chinese provinces between 2011 and 2021, analyzed through fixed-effects and mediation models, the study finds that agricultural insurance positively, albeit moderately, impacts the scale of grain production, with farmers’ income serving as a partial mediating factor.DiscussionBased on these findings, we recommend expanding agricultural insurance coverage, developing a multi-level insurance framework, and enhancing insurance protection levels to bolster sustainable agricultural development and food security in China.…”
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  16. 4616

    Factors associated with the quality of service in Peruvian public hospitals by Álvaro Danny Benites Bernabé, Ericson Felix Castillo Saavedra, Cinthia Rosales Márquez, Rosa María Salas Sánchez, Cecilia Elizabeth Reyes Alfaro

    Published 2021-04-01
    “…There was a difference in the quality of the service, represented by the dimensions of reliability, responsiveness, security, empathy and tangible elements. In the correlation analysis, only in the Eleazar Guzmán Barrón Hospital was a significant and positive association found between the type of user and the quality of service.…”
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  17. 4617

    IoT-based automated system for water-related disease prediction by Bhushankumar Nemade, Kiran Kishor Maharana, Vikram Kulkarni, Surajit mondal, G S Pradeep Ghantasala, Amal Al-Rasheed, Masresha Getahun, Ben Othman Soufiene

    Published 2024-11-01
    “…As a result, it is necessary to permit enough infrastructure to ensure the security of a reliable supply of potable water. Thus, a real-time WBPCB dataset with 17 features and a proposed IoT-based system to collect data are used in this research to address the issue. …”
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  18. 4618
  19. 4619

    Enhancing Agricultural Disease Detection: A Multi‐Model Deep Learning Novel Approach by Muhammad Khalid Hamid, Said Khalid Shah, Ghassan Husnain, Yazeed Yasin Ghadi, Shahab Ahmad Al Maaytah, Ayman Qahmash

    Published 2025-01-01
    “…These crops are widely grown and crucial for food security, with disease outbreaks threatening yield and quality. …”
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  20. 4620

    A Comprehensive Survey of Electric Vehicle Charging Demand Forecasting Techniques by Mamunur Rashid, Tarek Elfouly, Nan Chen

    Published 2024-01-01
    “…Additionally, existing studies often overlook several critical areas such as overcoming data scarcity, security and privacy concerns, managing the inherent stochasticity of demand data, selecting forecasting methods for a specific feature, and developing standardized performance metrics. …”
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