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基于GMM-HMMs与Viterbi回溯的连续手势肌电信号预测与识别
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作者 杨进兴 刘帅 李俊 《南京信息工程大学学报》 北大核心 2026年第1期11-17,共7页
针对基于表面肌电信号(sEMG)的连续手势识别任务中,存在实时性较差和预测能力不足的问题,提出一种基于GMM-HMMs(高斯混合-隐马尔可夫模型)和Viterbi回溯的连续手势动作识别方法.采用滑动窗口对8通道肌电信号进行分窗,通过GMM-HMMs建立... 针对基于表面肌电信号(sEMG)的连续手势识别任务中,存在实时性较差和预测能力不足的问题,提出一种基于GMM-HMMs(高斯混合-隐马尔可夫模型)和Viterbi回溯的连续手势动作识别方法.采用滑动窗口对8通道肌电信号进行分窗,通过GMM-HMMs建立手势的空闲、上升、稳定和下降4个动作状态,提出改进的Viterbi滑动窗口边缘化策略,建立滑动窗口长期约束,实现连续手势动作状态预测.最终引入最大似然法动态阈值模型以区分手势类别.在由8位实验者完成的包含4种手势的12个连续两手势动作任务中,该方法的平均识别率为98.1%,预测时间为71 ms,明显优于LSTM模型(94.2%,309 ms)和GRU模型(93.8%,300 ms). 展开更多
关键词 模式识别 连续手势 gmm-HMMs Viterbi回溯 表面肌电信号
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基于NMF与GMM方法的高职教师绩效智能评价研究
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作者 徐佳 《天津职业大学学报》 2026年第1期61-67,共7页
在职业教育高质量发展的背景下,高职院校教师绩效管理需要在兼顾科学性与长期性前提下进行精细化转型。基于长期主义绩效理念,提出融合非负矩阵分解(NMF)与平滑演化混合高斯模型(GMM)的智能化绩效评价方法。通过文献分析和专家访谈,构... 在职业教育高质量发展的背景下,高职院校教师绩效管理需要在兼顾科学性与长期性前提下进行精细化转型。基于长期主义绩效理念,提出融合非负矩阵分解(NMF)与平滑演化混合高斯模型(GMM)的智能化绩效评价方法。通过文献分析和专家访谈,构建涵盖9个一级指标、21个二级指标、57个三级指标的多维绩效体系。以浙江省某高职院校218名教师维度数据为样本,利用NMF提取潜在特征,并通过GMM进行分布建模。其研究最终结果显示,模型在拟合优度、分类准确率和评分稳定性等方面均优于传统方法,有效实现了多维度绩效区分与时间连续性支持。 展开更多
关键词 教师绩效 NMF gmm 智能化评价 指标体系
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基于GMM-ACGAN的入侵检测模型研究
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作者 张欣 胡鑫 郭伟 《现代传输》 2026年第1期45-50,共6页
随着互联网技术的迅猛发展,网络入侵行为日益复杂多样,对入侵检测系统的智能化与精准性提出了更高要求。针对入侵检测中存在的数据不平衡问题,本文提出了一种基于高斯混合模型与条件生成对抗网络改进(Gaussian Mixture Model-Auxiliary ... 随着互联网技术的迅猛发展,网络入侵行为日益复杂多样,对入侵检测系统的智能化与精准性提出了更高要求。针对入侵检测中存在的数据不平衡问题,本文提出了一种基于高斯混合模型与条件生成对抗网络改进(Gaussian Mixture Model-Auxiliary Classifier Generative Adversarial Network,GMM-ACGAN)的入侵检测方法。首先,利用GMM对多数类样本进行欠采样与对少数类样本进行过采样,优化样本分布结构;其次,在生成对抗过程中引入Wasserstein距离,提升生成器训练稳定性与生成样本质量。在NSL-KDD标准数据集上,本文与CNN、LSTM、CNN-LSTM及标准ACGAN等多种基准模型进行了系统对比,结果表明GMM-ACGAN在准确率、召回率、精确率、F1得分及AUC等多个性能指标上均取得了优异表现。进一步通过消融实验验证了GMM采样策略与Wasserstein改进模块对整体性能提升的关键作用。并且,各项性能指标上均显著优于传统的SMOTE+ACGAN组合模型。综合研究结果表明,所提出的GMM-ACGAN模型能够有效缓解样本不平衡带来的影响,显著提升入侵检测系统的检测准确性与鲁棒性,为实际网络安全防护提供了新的技术支撑。 展开更多
关键词 gmm ACGAN 入侵检测
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农田灌排用户GMM聚类负荷模式挖掘与标签识别
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作者 刘锦洁 段祥骏 +2 位作者 李佳 冯德志 许媛媛 《农村电气化》 2026年第3期24-29,共6页
针对农田灌排用户用电性质识别效率低、供电服务风险研判不足的问题,提出一种基于GMM(Gaussian Mixture Model)聚类的农田灌排用户负荷模式挖掘与标签精准识别技术框架。以1023户农田灌排用户2024—2025年用电数据为样本,构建涵盖电量... 针对农田灌排用户用电性质识别效率低、供电服务风险研判不足的问题,提出一种基于GMM(Gaussian Mixture Model)聚类的农田灌排用户负荷模式挖掘与标签精准识别技术框架。以1023户农田灌排用户2024—2025年用电数据为样本,构建涵盖电量、波动、时段、持续性4大维度的10维负荷特征体系并完成特征提取,通过GMM无监督聚类挖掘典型用电模式,最终建立特征与业务标签的关联规则实现精准识别。研究结果表明,该框架标签识别准确率达98%,可为农田灌排用户精益化管理提供技术支撑。 展开更多
关键词 农田灌排 负荷特征提取 gmm聚类 标签识别
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预加应力下的平行磁环式GMM-FBG电流传感装置
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作者 陈新岗 邹政廷 +3 位作者 马志鹏 张知先 李松 阳鑫 《传感器与微系统》 北大核心 2026年第2期116-122,共7页
针对超磁致伸缩材料的光纤布拉格光栅(GMM-FBG)电流传感器响应灵敏度低和FBG易受环境温度干扰的问题,设计了一种预加应力下的异形GMM结构和平行磁环式聚磁回路设计的GMM-FBG传感器。首先,构建了该传感器的理论模型,并通过COMSOL仿真,在... 针对超磁致伸缩材料的光纤布拉格光栅(GMM-FBG)电流传感器响应灵敏度低和FBG易受环境温度干扰的问题,设计了一种预加应力下的异形GMM结构和平行磁环式聚磁回路设计的GMM-FBG传感器。首先,构建了该传感器的理论模型,并通过COMSOL仿真,在预加应力下比较圆柱形GMM棒和异形GMM棒的响应特性,针对FBG的栅区长度对GMM的结构尺寸进行优化。然后,对磁环结构进行分析,得到合适的形状和磁路间距。最后,利用差分的方式消除环境温度的影响,并以实验得到2个FBG的中心波长差值与被测电流的关系。结果表明:方形磁环的磁通分布更均匀,异形GMM棒在预加应力为30 MPa,磁路间距为60 mm,输入电流为0~100 A时传感系统灵敏度为17.13 pm/A。 展开更多
关键词 光纤布拉格光栅 超磁致伸缩材料 电流传感器 应力
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A decision framework for rural domestic sewage treatment models and process:Evidence from Inner Mongolia Autonomous Region,China 被引量:1
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作者 Ying Yan Pengyu Li +5 位作者 Zixuan Wang Yubo Tan Tianlong Zheng Jianguo Liu Xiaoxia Yang Junxin Liu 《Journal of Environmental Sciences》 2026年第1期302-311,共10页
Rural domestic sewage treatment is critical for environmental protection.This study defines the spatial pattern of villages from the perspective of rural sewage treatment and develops an integrated decision-making sys... Rural domestic sewage treatment is critical for environmental protection.This study defines the spatial pattern of villages from the perspective of rural sewage treatment and develops an integrated decision-making system to propose a sewage treatment mode and scheme suitable for local conditions.By considering the village spatial layout and terrain factors,a decision tree model of residential density and terrain type was constructed with accuracies of 76.47%and 96.00%,respectively.Combined with binary classification probability unit regression,an appropriate sewage treatment mode for the village was determined with 87.00%accuracy.The Analytic Hierarchy Process(AHP),combined with the Technique for Order Preference(TOPSIS)by Similarity to an Ideal Solution model,formed the basis for optimal treatment process selection under different emission standards.Verification was conducted in 542 villages across three counties of the Inner Mongolia Autonomous Region,focusing on the standard effluent effect(0.3773),low investment cost(0.3196),and high standard effluent effect(0.5115)to determine the best treatment process for the same emission standard under different needs.The annual environmental and carbon emission benefits of sewage treatment in these villages were estimated.This model matches village density,geographic feature,and social development level,and provides scientific support and a theoretical basis for rural sewage treatment decision-making. 展开更多
关键词 Rural domestic sewage Sewage treatment model DECISION-MAKING Environmental-economic benefits Inner Mongolia
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Ecosystem service models are indeed being validated:A response to Pereira et al.(2025)
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作者 James M.Bullock Danny A.P.Hooftman +1 位作者 John W.Redhead Simon Willcock 《Geography and Sustainability》 2026年第1期247-248,共2页
In their recent paper Pereira et al.(2025)claim that validation is overlooked in mapping and modelling of ecosystem services(ES).They state that“many studies lack critical evaluation of the results and no validation ... In their recent paper Pereira et al.(2025)claim that validation is overlooked in mapping and modelling of ecosystem services(ES).They state that“many studies lack critical evaluation of the results and no validation is provided”and that“the validation step is largely overlooked”.This assertion may have been true several years ago,for example,when Ochoa and Urbina-Cardona(2017)made a similar observation.However,there has been much work on ES model validation over the last decade. 展开更多
关键词 evaluation MAPPING modeling es model ecosystem services VALIDATION
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CIT-Rec:Enhancing Sequential Recommendation System with Large Language Models
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作者 Ziyu Li Zhen Chen +2 位作者 Xuejing Fu Tong Mo Weiping Li 《Computers, Materials & Continua》 2026年第3期2328-2343,共16页
Recommendation systems are key to boosting user engagement,satisfaction,and retention,particularly on media platforms where personalized content is vital.Sequential recommendation systems learn from user-item interact... Recommendation systems are key to boosting user engagement,satisfaction,and retention,particularly on media platforms where personalized content is vital.Sequential recommendation systems learn from user-item interactions to predict future items of interest.However,many current methods rely on unique user and item IDs,limiting their ability to represent users and items effectively,especially in zero-shot learning scenarios where training data is scarce.With the rapid development of Large Language Models(LLMs),researchers are exploring their potential to enhance recommendation systems.However,there is a semantic gap between the linguistic semantics of LLMs and the collaborative semantics of recommendation systems,where items are typically indexed by IDs.Moreover,most research focuses on item representations,neglecting personalized user modeling.To address these issues,we propose a sequential recommendation framework using LLMs,called CIT-Rec,a model that integrates Collaborative semantics for user representation and Image and Text information for item representation to enhance Recommendations.Specifically,by aligning intuitive image information with text containing semantic features,we can more accurately represent items,improving item representation quality.We focus not only on item representations but also on user representations.To more precisely capture users’personalized preferences,we use traditional sequential recommendation models to train on users’historical interaction data,effectively capturing behavioral patterns.Finally,by combining LLMs and traditional sequential recommendation models,we allow the LLM to understand linguistic semantics while capturing collaborative semantics.Extensive evaluations on real-world datasets show that our model outperforms baseline methods,effectively combining user interaction history with item visual and textual modalities to provide personalized recommendations. 展开更多
关键词 Large language models vision language models sequential recommendation instruction tuning
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Research advances in animal models of high-altitude qi-deficiency and blood-stasis pattern
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作者 Zhixing Wang Xin Shen +3 位作者 Baoying Shen Lijun Huang Jie Huang Chengcai Lai 《Journal of Traditional Chinese Medical Sciences》 2026年第1期19-26,共8页
This study summarizes the theoretical basis,modeling strategies,pathological mechanisms,and therapeutic advances related to high-altitude qi-deficiency and blood-stasis pattern.Traditional concepts such as“qi drives ... This study summarizes the theoretical basis,modeling strategies,pathological mechanisms,and therapeutic advances related to high-altitude qi-deficiency and blood-stasis pattern.Traditional concepts such as“qi drives blood”and“deficiency leads to stasis”closely align with modern evidence demonstrating that hypoxia disrupts energy metabolism,impairs microcirculation,and amplifies inflammation and oxidative stress.Current animal models commonly use hypobaric hypoxia combined with fatigue loading,dietary restriction,ice-water stimulation,or adrenaline injection to mimic the combined effects of qi deficiency,blood stasis,and hypoxic injury.These composite approaches reproduce systemic abnormalities,including reduced arterial oxygen partial pressure,increased blood viscosity,impaired cardiac and pulmonary function,microcirculatory obstruction,and mitochondrial dysfunction.Enhanced inflammatory signaling,oxidative stress,and disturbances in metabolic and epigenetic networks further characterize the pattern.The findings indicate that its pathogenesis arises from multi-system,multi-target interactions rather than a single pathway.Representative herbal formulas,such as Buyang Huanwu decoction,Xuefu Zhuyu decoction,and prescriptions rich in Astragalus membranaceus(Fisch.)Bunge(A.membranaceus,Huang qi)or Salvia miltiorrhiza Bunge(S.miltiorrhiza,Dan Shen)have demonstrated the ability to improve energy metabolism,attenuate endothelial injury,enhance microcirculation,and suppress inflammation through network-level regulation.Future research should focus on standardizing exposure parameters,developing quantitative syndrome evaluation systems,and integrating multi-omics,systems biology and artificial intelligence to improve model reproducibility and mechanistic precision.These efforts may help establish objective criteria for high-altitude qi-deficiency and blood-stasis pattern and support the development of targeted therapeutic strategies. 展开更多
关键词 High-altitude qi-deficiency and blood-stasis pattern Animal model Hypobaric hypoxia Model establishment Evaluation system
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Do Higher Horizontal Resolution Models Perform Better?
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作者 Shoji KUSUNOKI 《Advances in Atmospheric Sciences》 2026年第1期259-262,共4页
Climate model prediction has been improved by enhancing model resolution as well as the implementation of sophisticated physical parameterization and refinement of data assimilation systems[section 6.1 in Wang et al.(... Climate model prediction has been improved by enhancing model resolution as well as the implementation of sophisticated physical parameterization and refinement of data assimilation systems[section 6.1 in Wang et al.(2025)].In relation to seasonal forecasting and climate projection in the East Asian summer monsoon season,proper simulation of the seasonal migration of rain bands by models is a challenging and limiting factor[section 7.1 in Wang et al.(2025)]. 展开更多
关键词 enhancing model resolution refinement data assimilation systems section climate model climate projection higher horizontal resolution seasonal forecasting simulation seasonal migration rain bands model resolution
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SDNet:A self-supervised bird recognition method based on large language models and diffusion models for improving long-term bird monitoring
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作者 Zhongde Zhang Nan Su +3 位作者 Chenxun Deng Yandong Zhao Weiping Liu Qiaoling Han 《Avian Research》 2026年第1期200-215,共16页
The collection and annotation of lar ge-scale bird datasets are resource-intensive and time-consuming processes that significantly limit the scalability and accuracy of biodiversity monitoring systems.While self-super... The collection and annotation of lar ge-scale bird datasets are resource-intensive and time-consuming processes that significantly limit the scalability and accuracy of biodiversity monitoring systems.While self-supervised learning(SSL)has emerged as a promising approach for leveraging unannotated data,current SSL methods face two critical challenges in bird species recognition:(1)long-tailed data distributions that result in poor performance on underrepresented species;and(2)domain shift issues caused by data augmentation strategies designed to mitigate class imbalance.Here we present SDNet,a novel SSL-based bird recognition framework that integrates diffusion models with large language models(LLMs)to overcome these limitations.SDNet employs LLMs to generate semantically rich textual descriptions for tail-class species by prompting the models with species taxonomy,morphological attributes,and habitat information,producing detailed natural language priors that capture fine-grained visual characteristics(e.g.,plumage patterns,body proportions,and distinctive markings).These textual descriptions are subsequently used by a conditional diffusion model to synthesize new bird image samples through cross-attention mechanisms that fuse textual embeddings with intermediate visual feature representations during the denoising process,ensuring generated images preserve species-specific morphological details while maintaining photorealistic quality.Additionally,we incorporate a Swin Transformer as the feature extraction backbone whose hierarchical window-based attention mechanism and shifted windowing scheme enable multi-scale local feature extraction that proves particularly effective at capturing finegrained discriminative patterns(such as beak shape and feather texture)while mitigating domain shift between synthetic and original images through consistent feature representations across both data sources.SDNet is validated on both a self-constructed dataset(Bird_BXS)an d a publicly available benchmark(Birds_25),demonstrating substantial improvements over conventional SSL approaches.Our results indicate that the synergistic integration of LLMs,diffusion models,and the Swin Transformer architecture contributes significantly to recognition accuracy,particularly for rare and morphologically similar species.These findings highlight the potential of SDNet for addressing fundamental limitations of existing SSL methods in avian recognition tasks and establishing a new paradigm for efficient self-supervised learning in large-scale ornithological vision applications. 展开更多
关键词 Biodiversity conservation Bird intelligent monitoring Diffusion models Large-scale language models Long-tailed learning Self-supervised learning
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Secured-FL:Blockchain-Based Defense against Adversarial Attacks on Federated Learning Models
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作者 Bello Musa Yakubu Nor Shahida Mohd Jamail +1 位作者 Rabia Latif Seemab Latif 《Computers, Materials & Continua》 2026年第3期734-757,共24页
Federated Learning(FL)enables joint training over distributed devices without data exchange but is highly vulnerable to attacks by adversaries in the form of model poisoning and malicious update injection.This work pr... Federated Learning(FL)enables joint training over distributed devices without data exchange but is highly vulnerable to attacks by adversaries in the form of model poisoning and malicious update injection.This work proposes Secured-FL,a blockchain-based defensive framework that combines smart contract-based authentication,clustering-driven outlier elimination,and dynamic threshold adjustment to defend against adversarial attacks.The framework was implemented on a private Ethereum network with a Proof-of-Authority consensus algorithm to ensure tamper-resistant and auditable model updates.Large-scale simulation on the Cyber Data dataset,under up to 50%malicious client settings,demonstrates Secured-FL achieves 6%-12%higher accuracy,9%-15%lower latency,and approximately 14%less computational expense compared to the PPSS benchmark framework.Additional tests,including confusion matrices,ROC and Precision-Recall curves,and ablation tests,confirm the interpretability and robustness of the defense.Tests for scalability also show consistent performance up to 500 clients,affirming appropriateness to reasonably large deployments.These results make Secured-FL a feasible,adversarially resilient FL paradigm with promising potential for application in smart cities,medicine,and other mission-critical IoT deployments. 展开更多
关键词 Federated learning(FL) blockchain FL based privacy model defense FL model security ethereum smart contract
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Recent Advances and Prospects in Research of In Vitro 3D Functional Skin Tissue Models
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作者 Li Tao Zhang Liqing 《China Detergent & Cosmetics》 2026年第1期75-88,共14页
With the increasing demand for understanding skin physiology and advancing regenerative medicine,in vitro three-dimensional(3D)functional skin tissue models have become vital tools in dermatological research.These mod... With the increasing demand for understanding skin physiology and advancing regenerative medicine,in vitro three-dimensional(3D)functional skin tissue models have become vital tools in dermatological research.These models effectively mimic the complex structure and functions of human skin.This review comprehensively discusses the latest advancements in construction techniques,material selection,and applications of 3D skin models.It highlights the advantages and challenges associated with cutting-edge technologies such as layer-by-layer cell coating,3D bioprinting,bio-spray technology,and photolithographic microfabrication in creating highly realistic skin models.Moreover,it examines the wide-ranging applications of 3D skin models,includingelucidation of skin disease mechanisms,investigation of skin barrier functions,studies on skin aging and repair,hair regeneration,efficacy screening of therapeutic agents,cosmetic safety assessment,and personalized medicine.Finally,this review anticipates future trends in developing 3D skin models with greater structural and functional complexity,enhanced multifunctionality,and improved clinical translation. 展开更多
关键词 3D skin models tissue engineering BIOPRINTING skin barrier disease modeling drug screening hair regeneration skin aging
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Evaluating the Shanghai Typhoon Model against State-of-the-Art Machine-Learning Weather Prediction Models:A Case Study for Typhoon Danas(2025)
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作者 Zeyi NIU Wei HUANG +5 位作者 Yuhua YANG Mengqi YANG Lin DENG Haibo WANG Hong LI Xu ZHANG 《Advances in Atmospheric Sciences》 2026年第4期744-750,共7页
This study traces the development of the Shanghai Typhoon Model(SHTM)from a traditional physics-based regional model toward a data-driven,machine-learning typhoon forecasting system.After upgrading its initial and bou... This study traces the development of the Shanghai Typhoon Model(SHTM)from a traditional physics-based regional model toward a data-driven,machine-learning typhoon forecasting system.After upgrading its initial and boundary conditions,SHTM now leverages large-scale constraints from machine-learning weather prediction(MLWP)models,resulting in an ML–physics hybrid framework.During Typhoon Danas(2025),the hybrid SHTM achieves substantially lower track errors than both the advanced ECMWF Integrated Forecasting System(IFS)and leading MLWP models such as PanGu and FuXi.Furthermore,the hybrid SHTM consistently maintains mean track errors below 200 km up to a forecast lead time of 108 hours,representing a significant advancement in forecast accuracy.In addition,this study highlights the technical roadmap for transitioning from a physics-based typhoon model to a fully data-driven ML typhoon forecast system.It also emphasizes that advances in the physical modeling framework provide a critical foundation for further improving the performance of future data-driven ML typhoon models. 展开更多
关键词 Shanghai Typhoon Model(SHTM) machine-learning weather prediction machine learning-physics hybrid model
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Review of machine learning tight-binding models:Route to accurate and scalable electronic simulations
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作者 Jijie Zou Zhanghao Zhouyin +1 位作者 Shishir Kumar Pandey Qiangqiang Gu 《Chinese Physics B》 2026年第1期2-12,共11页
The rapid advancement of machine learning based tight-binding Hamiltonian(MLTB)methods has opened new avenues for efficient and accurate electronic structure simulations,particularly in large-scale systems and long-ti... The rapid advancement of machine learning based tight-binding Hamiltonian(MLTB)methods has opened new avenues for efficient and accurate electronic structure simulations,particularly in large-scale systems and long-time scenarios.This review begins with a concise overview of traditional tight-binding(TB)models,including both(semi-)empirical and first-principles approaches,establishing the foundation for understanding MLTB developments.We then present a systematic classification of existing MLTB methodologies,grouped into two major categories:direct prediction of TB Hamiltonian elements and inference of empirical parameters.A comparative analysis with other ML-based electronic structure models is also provided,highlighting the advancement of MLTB approaches.Finally,we explore the emerging MLTB application ecosystem,highlighting how the integration of MLTB models with a diverse suite of post-processing tools from linear-scaling solvers to quantum transport frameworks and molecular dynamics interfaces is essential for tackling complex scientific problems across different domains.The continued advancement of this integrated paradigm promises to accelerate materials discovery and open new frontiers in the predictive simulation of complex quantum phenomena. 展开更多
关键词 machine learning tight-binding model electronic simulations
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Transformation of Verbal Descriptions of Process Flows into Business Process Modelling and Notation Models Using Multimodal Artificial Intelligence:Application in Justice
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作者 Silvia Alayón Carlos Martín +3 位作者 Jesús Torres Manuel Bacallado Rosa Aguilar Guzmán Savirón 《Computer Modeling in Engineering & Sciences》 2026年第2期870-892,共23页
Business Process Modelling(BPM)is essential for analyzing,improving,and automating the flow of information within organizations,but traditional approaches based on manual interpretation are slow,error-prone,and requir... Business Process Modelling(BPM)is essential for analyzing,improving,and automating the flow of information within organizations,but traditional approaches based on manual interpretation are slow,error-prone,and require a high level of expertise.This article proposes an innovative alternative solution that overcomes these limitations by automatically generating comprehensive Business Process Modelling and Notation(BPMN)diagrams solely from verbal descriptions of the processes to be modeled,utilizing Large Language Models(LLMs)and multimodal Artificial Intelligence(AI).Experimental results,based on video recordings of process explanations provided by an expert from an organization(in this case,the Commercial Courts of a public justice administration),demonstrate that the proposed methodology successfully enables the automatic generation of complete and accurate BPMN diagrams,leading to significant improvements in the speed,accuracy,and accessibility of process modeling.This research makes a substantial contribution to the field of business process modeling,as its methodology is groundbreaking in its use of LLMs and multimodal AI capabilities to handle different types of source material(text and video),combining several tools to minimize the number of queries and reduce the complexity of the prompts required for the automatic generation of successful BPMN diagrams. 展开更多
关键词 Process modelling verbal description BPMN LLM multimodal AI
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Semantic Causality Evaluation of Correlation Analysis Utilizing Large Language Models
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作者 Adam Dudáš 《Computers, Materials & Continua》 2026年第5期2246-2269,共24页
It is known that correlation does not imply causality.Some relationships identified in the analysis of data are coincidental or unknown,and some are produced by real-world causality of the situation,which is problemat... It is known that correlation does not imply causality.Some relationships identified in the analysis of data are coincidental or unknown,and some are produced by real-world causality of the situation,which is problematic,since there is a need to differentiate between these two scenarios.Until recently,the proper−semantic−causality of the relationship could have been determined only by human experts from the area of expertise of the studied data.This has changed with the advance of large language models,which are often utilized as surrogates for such human experts,making the process automated and readily available to all data analysts.This motivates the main objective of this work,which is to introduce the design and implementation of a large language model-based semantic causality evaluator based on correlation analysis,together with its visual analysis model called Causal heatmap.After the implementation itself,the model is evaluated from the point of view of the quality of the visual model,from the point of view of the quality of causal evaluation based on large language models,and from the point of view of comparative analysis,while the results reached in the study highlight the usability of large language models in the task and the potential of the proposed approach in the analysis of unknown datasets.The results of the experimental evaluation demonstrate the usefulness of the Causal heatmap method,supported by the evident highlighting of interesting relationships,while suppressing irrelevant ones. 展开更多
关键词 CORRELATION CAUSALITY correlation analysis large language models VISUALIZATION
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Recent advances in animal models for pathological scar research:A comprehensive review of experimental approaches and translational relevance
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作者 Diana-Larisa Ancuța Mariana Văduva +1 位作者 Cristin Coman Iuliana Caraș 《Animal Models and Experimental Medicine》 2026年第1期59-71,共13页
Pathological scarring,manifested in the form of hypertrophic scars(HTS)and keloid scars(KS),represents a major clinical challenge due to its aesthetic and functional implications for patients.Understanding the molecul... Pathological scarring,manifested in the form of hypertrophic scars(HTS)and keloid scars(KS),represents a major clinical challenge due to its aesthetic and functional implications for patients.Understanding the molecular mechanisms involved in these types of scars and developing effective treatments requires the use of controlled ex-perimental models,especially animals,to overcome the limitations of clinical studies.The aim of this sistematic review is to critically analyze the animal models used in the last five years(2020-2025)for the study of pathological scars,highlighting their advantages,limitations and applicability in the development of new therapeutic strat-egies.Murine,rabbit and porcine models,as well as alternative models,offer varied perspectives on the formation and treatment of HTS and KS,with an emphasis on histological and molecular correlations with human pathology.By synthesizing recent data,the paper highlights the essential role of preclinical research in optimizing an-tifibrotic treatments and in advancing the translation of data into the clinical sphere.Overall,animal models remain essential for bridging mechanistic insights with clinical translation,supporting the development of more effective and personalized anti-scar therapies. 展开更多
关键词 animal model EXPERIMENT hypertrophic scar keloid scar TRANSLATION
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A Survey on Medical Competence Evaluation Benchmarks for Large Language Models
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作者 Qiting Wang Huiru Zou +3 位作者 Haobin Zhang Yongshun Huang Junzhang Tian Weibin Cheng 《Health Care Science》 2026年第1期4-18,共15页
Large language models(LLMs)show considerable potential to revolutionize healthcare through their performance across diverse clinical applications.Given the inherent constraints of LLMs and the critical nature of medic... Large language models(LLMs)show considerable potential to revolutionize healthcare through their performance across diverse clinical applications.Given the inherent constraints of LLMs and the critical nature of medical practice,a rigorous and systematic evaluation of their medical competence is imperative.This study presents a comprehensive review of the established methodologies and benchmarks for evaluating the medical competence of LLMs,encompassing a thorough analysis of current assessment practices across medical knowledge,clinical practice competence,and ethical-safety considerations.By integrating clinician competency assessment frameworks into LLMs evaluation,we propose a structured tri-dimensional framework that systematically organizes existing evaluation approaches according to medical theoretical knowledge,clinical practice ability,and ethical-safety considerations.Furthermore,this research provides critical insights into future developmental trajectories while establishing foundational frameworks and standardization protocols for the integration of LLMs into medical practice. 展开更多
关键词 BENCHMARK large language model medical competence ABSTRACT
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基于GMM-FBG的电流互感器优化设计
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作者 邸志刚 陈志鹏 +1 位作者 贾春荣 张聪哲 《现代电子技术》 北大核心 2026年第6期1-6,14,共7页
GMM-FBG电流互感器具有精度高、体积小、不易磁饱和等优点,近年来受到广泛关注。该互感器的测量本质是磁场-应变-光学的多物理量耦合传递测量过程,因此传感磁路的设计直接影响其测量精度。基于此,提出一种基于传感磁路均匀磁场分布的GMM... GMM-FBG电流互感器具有精度高、体积小、不易磁饱和等优点,近年来受到广泛关注。该互感器的测量本质是磁场-应变-光学的多物理量耦合传递测量过程,因此传感磁路的设计直接影响其测量精度。基于此,提出一种基于传感磁路均匀磁场分布的GMM-FBG电流互感器方案,通过对驱动线圈、偏置磁场和导磁回路等传感磁路组件进行设计,并以驱动线圈内部轴向磁场强度均匀度为评价标准对磁路结构参数优化,获得轴向磁场强度均匀度达96.03%的传感磁路。同时,对0~6 A的工频电流进行测量,结果表明,所设计的GMM-FBG电流互感器的测量误差为0.163%,满足电流互感器国标0.2级精度要求。所提方案实现了对工频小电流的精确测量,能够有效提高测量精度,具有重要的工程应用价值。 展开更多
关键词 gmm-FBG 电流互感器 磁场均匀度 驱动线圈 传感磁路 有限元法 工频电流
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