Showing 52,581 - 52,600 results of 53,535 for search '((unstructures OR (unstructures OR structural)) OR (structured OR (structures OR structure))) data', query time: 0.74s Refine Results
  1. 52581
  2. 52582

    Design and Investigation of Orthogonal Hybrid Dual-Mode Single-CDR-Based MIMO Antenna With High Self-Isolation at 5.8GHz by Samira Mekki, Atul Varshney, Djamel Sayad, Issa Elfergani, Hanane Bendjedi, Mohamed Lamine Bouknia, Rami Zegadi, Jonathan Rodriguez, Merih Palandoken, Kamil Karacuha, Chemseddine Zebiri

    Published 2024-01-01
    “…The orthogonal excited antenna generates orthogonal modes (<inline-formula> <tex-math notation="LaTeX">$\mathrm {H}\mathrm {E}_{11\delta }^{\mathrm {x}}$ </tex-math></inline-formula> and <inline-formula> <tex-math notation="LaTeX">$\mathrm {H}\mathrm {E}_{11\delta }^{\mathrm {y}}$ </tex-math></inline-formula>) with high port-to-port self-isolation (<inline-formula> <tex-math notation="LaTeX">$\lt -21$ </tex-math></inline-formula> dB) without additional mutual coupling reduction structures. The antenna achieved bandwidths are 5.65&#x2013;5.96 GHz (gain: 8.91 dBi) and 5.62&#x2013;5.92 GHz (gain: 8.97 dBi) for Port1 and Port2, respectively. …”
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  3. 52583

    A framework for social media analytics in textile business circularity for effective digital marketing by Omaymah Almashaleh, Hendro Wicaksono, Omid Fatahi Valilai

    Published 2025-06-01
    “…A mixed-method approach is adopted, merging qualitative insights derived from unstructured data with quantitative techniques. To analyze content, unsupervised machine learning methods, including topic modeling and sentiment analysis, are employed. …”
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  4. 52584

    Development of a Success Prediction Model for Crowdfunding Based on Machine Learning Reflecting ESG Information by Jiyoung Park, Hyung Jong Na, Hyungjoon Kim

    Published 2024-01-01
    “…&#x2019; Text mining techniques were used to quantify unstructured ESG-related data, and the predictive performance of models including ESG factors was compared with models excluding them. …”
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  5. 52585

    The needs of relatives of intensive care patients during the transition from the intensive care unit to a general ward in China: a mixed methods study by Tianxiang Jiang, Hongyang Lu, Caiyan Su, Yangling Ge

    Published 2025-07-01
    “…Twelve relatives were interviewed, and the qualitative data were analysed via thematic analysis. Results There were 161 valid responses and 12 relatives participated in unstructured face-to-face interviews. …”
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  6. 52586

    OrthoticS for TReatment of symptomatic flat feet In CHildren (OSTRICH): a randomised controlled trial by Sarah Cockayne, Kalpita Baird, Sally Gates, Caroline Fairhurst, Joy Adamson, Rachel M Bottomley-Wise, Amie Woodward, Michael R Backhouse, Rachel Bye, Nina Davies, Catherine Hewitt, Colin Holton, Peter Knapp, Anne-Maree Keenan, Stewart Morrison, Daniel Parker, Daniel C Perry, Sarah Ronaldson, Mark Smith, Tim Theologis, Victoria Exley, Jane McAdam, David J Torgerson

    Published 2025-08-01
    “…Misinformation was common emphasising a need for accessible accurate education materials and structured follow-up care. There was a common belief that orthoses were superior to exercises leading to high levels of adherence, satisfaction and outcomes with orthoses compared with poor adherence, and low perceived efficacy with exercises linked to challenges incorporating these into daily routines. …”
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  7. 52587

    ACHealthChain blockchain framework for access control and privacy preservation in healthcare by Ahmed M. Tawfik, Ayman Al-Ahwal, Adly S. Tag Eldien, Hala H. Zayed

    Published 2025-05-01
    “…ACHealthChain features PolicyChain for fine-grained access control and revocation, structuring patient health data into separate subchains for EHRs and diagnoses with permissioned access. …”
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  8. 52588

    Teaching Reading Comprehension for Slow Learners by Nur Jaenah

    Published 2024-12-01
    “…The steps to analyze the data using the Milles and Hubberman model through the stages of data reduction, data display, and conclusion drawing/verification of the data and research findings. …”
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  9. 52589

    Rainfall as an important process for net N gain during the initial phase of natural recovery in karst desertification by Xia Li, Yu Pang, Hengsheng Lao, Linfang Luo, Tongxin He, Guangting Pei, Shuangshuang Xiao, Baoqing Hu, Jianfei Sun

    Published 2025-07-01
    “…We speculate that the three-layer vertical structure of soil–epikarst–bedrock in karst areas induce a complex hydrologic process, prolonging the time of water–soil interaction, and leading to a maximum threshold for hydrologic N losses under high rainfall, which effectively protect soil inorganic N. …”
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  10. 52590

    Local QSAR based on quantum chemistry calculations for the stability of nitrenium ions to reduce false positive outcomes from standard QSAR systems for the mutagenicity of primary... by Shigeharu Muto, Ayako Furuhama, Mika Yamamoto, Yasuteru Otagiri, Naoki Koyama, Seiji Hitaoka, Yusuke Nagato, Hirofumi Ouchi, Masahiro Ogawa, Kisako Shikano, Katsuya Yamada, Satoshi Ono, Minami Hoki, Fumiya Ishizuka, Soichiro Hagio, Chiaki Takeshita, Hisayoshi Omori, Kiyohiro Hashimoto, Satsuki Chikura, Masamitsu Honma, Kei-ichi Sugiyama, Masayuki Mishima

    Published 2024-11-01
    “…Abstract Background Primary aromatic amines (PAAs) present significant challenges in the prediction of mutagenicity using current standard quantitative structure activity relationship (QSAR) systems, which are knowledge-based and statistics-based, because of their low positive prediction values (PPVs). …”
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  11. 52591

    Lethal clinical outcome and chemotherapy and immunotherapy resistance in patients with urothelial carcinoma with MDM2 amplification or overexpression by Weijuan Zhang, Jiejie Xu, Hailong Liu, Yu Zhu, Zewei Wang, Han Zeng, Zhaopei Liu, Yuan Chang, Le Xu, Kaifeng Jin, Jingtong Xu, Xiaohe Su, Yawei Ding, Lingkai Zhang, Jiaxing Sun, Yuzhen Wu

    Published 2025-01-01
    “…In addition, UC with MDM2 amplification or overexpression was associated with an immuno-evasive contexture characterized by lower proportion of tertiary lymphoid structure infiltration, lower abundance of CD8+ T cells, IFN-γ+ cells, GZMB+ cells, and decreased expression of immune checkpoint molecules including programmed death-ligand 1 (PD-L1), programmed death-1 (PD-1) and cytotoxic T-lymphocyte-associated protein 4 (CTLA-4).Conclusions MDM2 amplification or overexpression defines a lethal subset of patients with UC with inferior prognosis and resistance to both platinum-based chemotherapy and immunotherapy irrespective of TP53/p53 status. …”
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  12. 52592

    PIEZO1 mechanical insensitivity in generalized lymphatic dysplasia with the potential for pharmacological rescue by Melanie J. Ludlow, Oleksandr V. Povstyan, Deborah M. Linley, Silvia Martin-Almedina, Charlotte Revill, Kevin Cuthbertson, Katie A. Smith, Emily Fay, Elisavet Fotiou, Andrew Bush, Claire Hogg, Tobias Linden, Natalie B. Tan, Susan M. White, Juan C. Del Rey Jimenez, Ege Sackey, Esther Dempsey, Sahar Mansour, Gregory Parsonage, Antreas C. Kalli, Richard Foster, Pia Ostergaard, David J. Beech

    Published 2025-08-01
    “…Two of the variants encode amino acid changes in the channel’s cap structure (Ile2270Thr and Arg2335Gln), one in the ninth transmembrane helical unit (THU) below the cap (Gly1978Asp) and one in the fifth THU distant from the cap (Glu829Val). …”
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  13. 52593
  14. 52594

    Machine learning-based coalbed methane well production prediction and fracturing parameter optimization by HU Qiujia, LIU Chunchun, ZHANG Jianguo, CUI Xinrui, WANG Qian, WANG Qi, LI Jun, HE Shan

    Published 2025-04-01
    “…A deep convolutional autoencoder-decoder was applied to unstructured data (e.g., well logs), and the integration of random forest with multi-task learning strategies effectively addressed limited sample sizes and poor generalization, ensuring high prediction accuracy under small-data conditions. …”
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  15. 52595

    Analysis of ROH Characteristics Across Generations in Grassland-Thoroughbred Horses and Identification of Loci Associated with Athletic Traits by Wenqi Ding, Wendian Gong, Tugeqin Bou, Lin Shi, Yanan Lin, Xiaoyuan Shi, Zheng Li, Huize Wu, Manglai Dugarjaviin, Dongyi Bai

    Published 2025-07-01
    “…Principal component analysis (PCA) and STRUCTURE revealed clear distinctions among the generations, with a notable overlap between CY and F3. …”
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  16. 52596

    WRF-ELM v1.0: a regional climate model to study land–atmosphere interactions over heterogeneous land use regions by H. Huang, Y. Qian, G. Bisht, J. Wang, T. Chakraborty, D. Hao, J. Li, T. Thurber, B. Singh, Z. Yang, Y. Liu, P. Xue, P. Xue, W. J. Sacks, E. Coon, R. Hetland

    Published 2025-03-01
    “…It maintains the integrity of ELM's source code structure and facilitates the transfer of future developments in ELM to WRF-ELM.…”
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  17. 52597

    Sleep disturbances in SCN8A‐related disorders by Francesca Furia, Katrine M. Johannesen, Claudia M. Bonardi, Roberto Previtali, Angel Aledo‐Serrano, Massimo Mastrangelo, Jacopo Favaro, Silvia Masnada, Valentina diMicco, Jacopo Proietti, Pierangelo Veggiotti, Guido Rubboli, Gaetano Cantalupo, Kern Olofsson, Rikke S. Møller, Elena Gardella

    Published 2024-12-01
    “…Polysomnographic recordings (9 patients/20 nights) showed an altered sleep structure in 95%, with frequent arousals, mainly not seizure related. …”
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  18. 52598

    Impact of Thermal-Induced Turbulent Distribution Along FSO Link on Transmission of Photonically Generated mmW Signals in the Frequency Range 26&#x2013;40 GHz by Luis Vallejo, Matej Komanec, Beatriz Ortega, Jan Bohata, Dong-Nhat Nguyen, Stanislav Zvanovec, Vicenc Almenar

    Published 2020-01-01
    “…The results show high electrical power decrease and fluctuation of the generated mmW signal according to the particular level of the turbulence in terms of refractive index structure parameter and thermal distribution along the FSO link. …”
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  19. 52599

    Comparative analysis of the human microbiome from four different regions of China and machine learning-based geographical inference by Yinlei Lei, Min Li, Han Zhang, Yu Deng, Xinyu Dong, Pengyu Chen, Ye Li, Suhua Zhang, Chengtao Li, Shouyu Wang, Ruiyang Tao

    Published 2025-01-01
    “…The composition and structure of the bacteria at these three body sites were well characterized and found to differ regionally. …”
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  20. 52600

    Functional Connectivity Changes in Primary Motor Cortex Subregions of Patients With Obstructive Sleep Apnea by Lifeng Li, Qimeng Shi, Bowen Fang, Yuting Liu, Xiang Liu, Yongqiang Shu, Yingke Deng, Yumeng Liu, Haijun Li, Junjie Zhou, Dechang Peng

    Published 2025-07-01
    “…This study examined functional connectivity (FC) changes in subregions of the primary motor cortex (M1) in patients with OSA and their association with sleep structure, cognition, and clinical features. Methods Sixty‐five patients with OSA and 65 healthy controls (HC) participants matched in age and educational background were included. …”
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