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Personalized learning effect evaluation model for vocational education with cloud computing technology 基于云计算技术的职业教育个性化学习效果评价模型
Pub Date : 2025-05-01 DOI: 10.1016/j.sasc.2025.200264
Xiangyu Wang , Kang Cao
The advent of cloud computing technology (CCT) has expedited the advancement of online learning methodologies and, to a certain extent, compensated for the limitations inherent in traditional teaching approaches. However, online teaching under CCT still has the problem of unstable teaching quality, so the study establishes a relevant learning effect evaluation model for the personalized learning platform of vocational education under CCT. To achieve more efficient and accurate evaluation of learning effect, an adjustable variation genetic algorithm-backpropagation neural network (AGA-BP) is proposed. The model introduces an adjustable mutation approach, which adapts the mutation probability in real-time in accordance with the progress of the genetic algorithm in the search process, so as to prevent entering into local optimization and ensure the maintenance of diversity. This strategy significantly enhances the convergence speed and overall search capability of the algorithm. Meanwhile, using the excellent fitting characteristics of neural network, AGA-BP model can accurately learn and simulate different students' learning behavior and effectiveness. The experiment outcomes indicate that the model's mean square error is 3.3883e*10–12, its fitness value is 1.36, and its average accuracy is 98.35 %.
云计算技术的出现加速了在线学习方法的发展,并在一定程度上弥补了传统教学方法固有的局限性。然而,CCT下的在线教学仍然存在教学质量不稳定的问题,因此本研究针对CCT下的职业教育个性化学习平台建立了相关的学习效果评价模型。为了更高效、准确地评估学习效果,提出了一种可调变遗传算法-反向传播神经网络(AGA-BP)。该模型引入了可调突变方法,根据遗传算法在搜索过程中的进展实时调整突变概率,避免进入局部最优状态,保证多样性的保持。该策略显著提高了算法的收敛速度和整体搜索能力。同时,利用神经网络良好的拟合特性,AGA-BP模型能够准确地学习和模拟不同学生的学习行为和学习效果。实验结果表明,该模型的均方误差为3.3883e* 10-12,适应度值为1.36,平均准确率为98.35%。
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引用次数: 0
Optimization and implementation of management technology integrated with data analysis for college students' course evaluation and academic early warning 结合数据分析的管理技术在大学生课程评价与学业预警中的优化与实施
Pub Date : 2025-05-01 DOI: 10.1016/j.sasc.2025.200255
Xinxin Yang
Educational managers need curriculum evaluation results and academic warnings to enrich educational management content. The study integrates data analysis technology into education and teaching, and uses association rules to mine the internal relationship of each dimension element of course evaluation. The results show that the performance of the Apriori algorithm with interest degree is better, and it can reduce 15 wrong rules. The results of association rules generation show that teaching design should pay attention to the construction of network resources, and the reform of teaching content needs the promotion of high-quality teachers. The academic early warning model uses the GA-BP model to predict grades, and then formulates an early warning index based on the grades. The results show that the average accuracy rate of the prediction model is 89.12 %, which is better than other models, and the prediction accuracy rate of the potential early warning student group is >76.1 %. Compared with the final grades, the fitting degree of the prediction experiment results reaches 97.3 %, which shows that the performance of the model meets the needs of academic early warning.
教育管理者需要课程评价结果和学术警示来丰富教育管理内容。本研究将数据分析技术融入到教育教学中,利用关联规则挖掘课程评价各维度元素之间的内在关系。结果表明,有兴趣度的Apriori算法性能较好,可减少15条错误规则。关联规则生成的结果表明,教学设计要注重网络资源的建设,教学内容的改革需要高素质教师的提升。学术预警模型采用GA-BP模型对成绩进行预测,然后根据成绩制定预警指标。结果表明,该预测模型的平均准确率为89.12%,优于其他模型,对潜在预警学生群体的预测准确率为76.1%。与最终成绩相比,预测实验结果的拟合度达到97.3%,表明该模型的性能满足学术预警的需要。
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引用次数: 0
Basketball motion recognition and tracking method based on improved convolutional neural network 基于改进卷积神经网络的篮球运动识别与跟踪方法
Pub Date : 2025-04-30 DOI: 10.1016/j.sasc.2025.200272
Gong Yan
To improve the accuracy of basketball motion analysis, this study proposes a basketball motion recognition and tracking method based on an improved convolutional neural network. This method combines an intelligent sensor system with an improved dual-mode convolutional neural network to identify basketball motion steps; A tracking method based on the Northeast sky coordinate system was proposed to depict the motion trajectory of basketball players. The experimental results show that the average recognition accuracy of the improved convolutional neural network model is 99.3 %, which is superior to K-nearest neighbors and other models. This model structure can better capture the complexity and diversity of basketball footwork, improve recognition accuracy, and enhance generalization ability, while still maintaining high recognition accuracy in the face of new movements. The average error of linear trajectory tracking is 4.3 %, while the average errors of curved trajectory tracking in the X, Y, and Z directions are 4.1 %, 5.9 %, and 6.1 %, respectively. Research has shown that this method provides an effective approach for basketball analysis and training, which helps to improve the competitive level of basketball players.
为了提高篮球运动分析的准确性,本文提出了一种基于改进卷积神经网络的篮球运动识别与跟踪方法。该方法将智能传感器系统与改进的双模卷积神经网络相结合,实现了篮球运动步数的识别;提出了一种基于东北天空坐标系的篮球运动员运动轨迹跟踪方法。实验结果表明,改进后的卷积神经网络模型的平均识别准确率为99.3%,优于k近邻等模型。这种模型结构可以更好地捕捉篮球步法的复杂性和多样性,提高识别准确率,增强泛化能力,同时在面对新的动作时仍然保持较高的识别准确率。直线轨迹跟踪的平均误差为4.3%,曲线轨迹跟踪在X、Y、Z方向上的平均误差分别为4.1%、5.9%、6.1%。研究表明,该方法为篮球分析和训练提供了一种有效的方法,有助于提高篮球运动员的竞技水平。
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引用次数: 0
Dynamic visualization design of visual symbols using interactive genetic algorithm 基于交互式遗传算法的视觉符号动态可视化设计
Pub Date : 2025-04-30 DOI: 10.1016/j.sasc.2025.200278
Minji Yin , Huixue Qu , Kailing Zhang
The dynamic visualization design of visual symbols is a complex task that requires finding a solution that meets user needs and has good visual effects. However, considering both the personalized needs of users and the dynamic visualization effect of design elements is a huge challenge. To address this challenge, this study proposes a dynamic visual symbol design method based on interactive genetic algorithm, which integrates real-time user participation mechanism and dynamic interactive feedback system to achieve intelligent and personalized design process. Compared with traditional genetic algorithms, this method introduces a dynamic fitness evaluation mechanism with direct user participation on the basis of traditional genetic algorithms. Users can evaluate the visual effects of individual populations in real time through a graphical interactive interface, and support real-time adjustment of parameters such as symbol form and motion trajectory. At the same time, it combines Bayesian probability models and Gaussian process proxy models to achieve dynamic capture and prediction of user preferences. The results show that the proposed method has a prediction accuracy of 89.1% and user satisfaction of 97.4% in dynamic visual symbol design, which is significantly improved compared to traditional genetic algorithms. This study provides new ideas for solving the dynamic design problem of multi-objective and high-dimensional visual symbols, which will help promote the development of the field of visual communication.
视觉符号的动态可视化设计是一项复杂的任务,需要找到既满足用户需求又具有良好视觉效果的解决方案。然而,既要考虑用户的个性化需求,又要考虑设计元素的动态可视化效果,这是一个巨大的挑战。针对这一挑战,本研究提出了一种基于交互遗传算法的动态视觉符号设计方法,将实时用户参与机制与动态交互反馈系统相结合,实现设计过程的智能化和个性化。与传统遗传算法相比,该方法在传统遗传算法的基础上引入了用户直接参与的动态适应度评价机制。用户可以通过图形交互界面实时评估个体群体的视觉效果,并支持符号形式、运动轨迹等参数的实时调整。同时,结合贝叶斯概率模型和高斯过程代理模型,实现对用户偏好的动态捕获和预测。结果表明,该方法在动态视觉符号设计中的预测准确率为89.1%,用户满意度为97.4%,与传统遗传算法相比有显著提高。本研究为解决多目标、高维视觉符号的动态设计问题提供了新的思路,有助于促进视觉传播领域的发展。
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引用次数: 0
Design and application of a music recommendation system based on user behavior and feature recognition 基于用户行为和特征识别的音乐推荐系统的设计与应用
Pub Date : 2025-04-30 DOI: 10.1016/j.sasc.2025.200274
Ji Lu , Minjun Wu
Currently, music recommendation systems have significant limitations in user behavior analysis, resulting in lower accuracy in recommendations. To address these issues, we propose a music recommendation system based on user behavior and feature recognition, leveraging deep learning for training user data. User behavior sequences are inputted into an encoder to obtain datasets, detecting user preferences based on weight values. User gradients are derived through weighted partitioning, extracting user behavior intentions. User interest is statistically assessed based on the time spent listening to music, calculating a personalized music information matrix. Subset relevance is compared to achieve music information recommendations. Experimental comparisons with traditional systems show that the root mean square error (RMSE), mean square error (MSE), and mean absolute error (MAE) fluctuate between 0 and 1, with recommendation accuracy exceeding 87.5 % and peaking at 99 %, indicating excellent recommendation performance.
目前,音乐推荐系统在用户行为分析方面存在很大的局限性,导致推荐的准确性较低。为了解决这些问题,我们提出了一个基于用户行为和特征识别的音乐推荐系统,利用深度学习来训练用户数据。将用户行为序列输入到编码器中以获得数据集,根据权重值检测用户偏好。通过加权划分得到用户梯度,提取用户行为意图。根据用户听音乐的时间,计算个性化的音乐信息矩阵,对用户兴趣进行统计评估。通过比较子集相关性来实现音乐信息推荐。与传统系统的实验对比表明,该系统的均方根误差(RMSE)、均方误差(MSE)和平均绝对误差(MAE)在0 ~ 1之间波动,推荐准确率超过87.5%,最高达到99%,推荐性能优异。
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引用次数: 0
Analysis of the effects of digital transformation of enterprise clusters on innovation performance in the context of “Internet+” “互联网+”背景下企业集群数字化转型对创新绩效的影响分析
Pub Date : 2025-04-30 DOI: 10.1016/j.sasc.2025.200270
Sumei Zeng , Jinding Bao
With the rapid development of digital economy, the social process of "Internet+" has accelerated. The digital transformation of enterprise clusters has now become one of the key strategy to enhance the competitiveness and innovation ability of enterprises. A comprehensive and accurate analysis of the impact of digital transformation on the innovation performance of enterprises has a crucial impact on improving the economic benefits of enterprises. However, at present, the analysis of the innovation performance of digital transformation is not sufficient, and there are some limitations and one-sided points. Therefore, the research puts forward the impact model of the digital transformation of enterprise cluster based on cross-level analysis. The influence of the mechanism of enterprise cluster cooperation atmosphere on enterprise innovation performance is analyzed. The results of regression analysis show that the positive impact factor of enterprise cluster cooperation atmosphere on enterprise efficiency is enterprises (P < 0.05). To summarize the findings, both the collaborative environment and the identification of enterprise clusters have a significant positive impact on enterprise efficiency (P < 0.01). When the cooperation atmosphere within the enterprise cluster is good and the enterprise cluster members have a strong sense of identification to the cluster, the innovation performance and efficiency of the enterprise will be significantly improved. The research results reveal the influence of enterprise clusters on innovation performance, and provide a reference theory for the digital transformation of enterprise clusters in other regions.
随着数字经济的快速发展,“互联网+”的社会进程加快。企业集群数字化转型已成为提升企业竞争力和创新能力的关键战略之一。全面准确地分析数字化转型对企业创新绩效的影响,对提高企业的经济效益有着至关重要的影响。但目前对数字化转型创新绩效的分析还不够充分,存在一定的局限性和片面之处。因此,本研究提出了基于跨层次分析的企业集群数字化转型影响模型。分析了企业集群合作氛围对企业创新绩效的影响机制。回归分析结果表明,企业集群合作氛围对企业效率的正向影响因子是企业(P <;0.05)。综上所述,协作环境和企业集群识别对企业效率都有显著的正向影响(P <;0.01)。当企业集群内部的合作氛围良好,企业集群成员对集群的认同感较强时,企业的创新绩效和效率将显著提高。研究结果揭示了企业集群对创新绩效的影响,为其他地区企业集群的数字化转型提供了理论参考。
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引用次数: 0
Designing an ambulance routing optimization model using the combination of machine learning and genetic algorithm in conditions of uncertainty 在不确定条件下,采用机器学习和遗传算法相结合的方法设计救护车路线优化模型
Pub Date : 2025-04-29 DOI: 10.1016/j.sasc.2025.200276
Hamed Nozari , Agnieszka Szmelter-Jarosz , Hamid Reza Irani
This study presents modeling and solving an ambulance routing problem to reduce the time spent providing patient services. A neural network based on a learning machine is used to train the data, and all the input data is analyzed and entered into the genetic algorithm to optimize the mathematical model. The input data was limited to a dataset that only included longitude, latitude, response time, and transportation cost. It was observed that most of the emergency requests were completed within 10 to 20 min. By decreasing the ambulance response time, more emergency cases can be dealt with in less time, preventing casualties and reducing costs. Also, the results showed that the average optimal response time for heart attack is 10 min; for car accidents, 23 min; for fire cases, 13 min; for fall cases, 25 min; for overdose cases, 29 min; and for sudden nervous attack cases, 30 min.
本研究提出了建模和解决救护车路线问题,以减少提供病人服务的时间。采用基于学习机的神经网络对数据进行训练,对所有输入数据进行分析并输入遗传算法对数学模型进行优化。输入的数据仅限于只包含经度、纬度、响应时间和运输成本的数据集。据观察,大多数紧急请求在10至20分钟内完成。通过缩短救护车响应时间,可以在更短的时间内处理更多紧急情况,防止人员伤亡并降低成本。结果还表明,心脏病发作的平均最佳反应时间为10 min;交通事故,23分钟;火灾,13分钟;跌倒病例,25分钟;过量病例29分钟;对于突发性神经发作,30分钟。
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引用次数: 0
A review of machine learning techniques for urban resilience research: The application and progress of different machine learning techniques in assessing and enhancing urban resilience 城市弹性研究中的机器学习技术综述:不同机器学习技术在评估和增强城市弹性中的应用与进展
Pub Date : 2025-04-29 DOI: 10.1016/j.sasc.2025.200269
Yu Chen , Wenxing You , Lu Ou , Hui Tang
Urban resilience evaluates systems’ capacities to prepare for, adapt to, absorb, and recover from disruptions. Evaluation frameworks incorporate metrics like recovery speed, adaptive ability, and absorptive capacity. Assessing critical infrastructure interdependencies is challenging yet vital to limit failure propagation. While static assessments, multi-layer frameworks, and software like Hazus are used, limitations persist. Machine learning often focuses on infrastructure data for recovery monitoring. A common workflow entails acquiring and organizing data, then applying supervised, unsupervised, or reinforcement learning models. Supervised learning uses labeled data while unsupervised learning detects patterns in unlabeled data. Reinforcement learning optimizes rewards through trial-and-error interactions. Machine learning assists in meeting intensifying urbanization and climate change challenges. Leveraging advances in sensors, IoT, and computing enables tasks like image labeling and semantic segmentation. The techniques facilitate resilience through real-time data analytics for informed decision-making and responsive disaster management.
城市恢复力评估系统准备、适应、吸收和从中断中恢复的能力。评估框架包括恢复速度、适应能力和吸收能力等指标。评估关键基础设施的相互依赖性具有挑战性,但对于限制故障传播至关重要。虽然使用了静态评估、多层框架和像Hazus这样的软件,但局限性仍然存在。机器学习通常侧重于恢复监控的基础设施数据。一个常见的工作流需要获取和组织数据,然后应用有监督的、无监督的或强化的学习模型。监督学习使用标记数据,而无监督学习检测未标记数据中的模式。强化学习通过试错互动优化奖励。机器学习有助于应对日益加剧的城市化和气候变化挑战。利用传感器、物联网和计算的进步,可以完成图像标记和语义分割等任务。这些技术通过实时数据分析,促进知情决策和响应式灾害管理,从而提高抗灾能力。
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引用次数: 0
The application and optimization of style transfer neural network based on deep learning in fashion design 基于深度学习的风格传递神经网络在服装设计中的应用与优化
Pub Date : 2025-04-29 DOI: 10.1016/j.sasc.2025.200277
Haijing Pan , Adzrool Idzwan bin Ismail , Asmidah Alwi , Massudi Mahmuddin

Introduction

With the rapid advancement of deep learning technologies, style transfer networks have demonstrated significant potential in the fields of image processing and creative design. Particularly in the realm of fashion design, style transfer techniques offer designers innovative tools to automatically generate diverse style designs, thereby enhancing creativity and diversity. However, existing style transfer methods still face challenges in balancing content preservation and style representation, as well as in computational efficiency. This study aims to explore a Neural Style Transfer (NST)-based model for fashion style transfer to address these issues and improve the efficiency and quality of fashion design.

Methodology

The proposed network architecture consists of three convolutional layers and one deconvolutional layer, designed to efficiently extract and integrate spatial features of fashion elements. Subsequently, the Visual Geometry Group (VGG)-Garment network architecture is employed for feature extraction and style fusion, with optimization algorithms generating high-quality fashion design images. Additionally, by introducing four semantic loss functions—content loss, style loss, color loss, and contour loss—the model ensures the preservation of the original design content while flexibly incorporating other visual styles.

Results

The experimental results demonstrate the following: (1) The proposed model excels in both style transfer effectiveness and computational efficiency. The style retention rate ranges from 82.11 % to 88.54 %. The content retention rate falls between 87.90 % and 92.56 %. These results indicate that the model effectively integrates diverse style elements while preserving the original design. (2) The proposed method outperforms three other models in terms of Peak Signal-to-Noise Ratio (PSNR) across all six fashion styles. Notably, in the "luxury" style, the PSNR value of the proposed method reaches 32.01, significantly higher than that of other models. (3) In terms of computational efficiency, the model generates a style-transferred fashion design image in an average of 15.23 s. The storage footprint is 251.45 MB, and the computational resource utilization rate is 60.78 %. These results show a significant improvement over traditional method.

Discussion

This study makes a significant contribution by proposing a model that enhances visual effects and design diversity. Additionally, it outperforms traditional methods in computational efficiency and resource utilization. This model provides a novel technical approach for the fashion design industry, effectively reducing design costs and enhancing the overall efficiency of the design process.
随着深度学习技术的快速发展,风格迁移网络在图像处理和创意设计领域显示出巨大的潜力。特别是在服装设计领域,风格转移技术为设计师提供了创新的工具,自动生成多样化的风格设计,从而增强了创造力和多样性。然而,现有的风格迁移方法在平衡内容保存和风格表示以及计算效率方面仍然面临挑战。本研究旨在探索一种基于神经风格迁移(NST)的时尚风格迁移模型,以解决这些问题,提高时尚设计的效率和质量。方法提出的网络结构由三个卷积层和一个反卷积层组成,旨在有效地提取和整合时尚元素的空间特征。随后,利用视觉几何群(VGG)-服装网络架构进行特征提取和风格融合,优化算法生成高质量的服装设计图像。此外,该模型通过引入内容丢失、风格丢失、颜色丢失和轮廓丢失四个语义丢失函数,在保留原有设计内容的同时,灵活地融入其他视觉风格。结果实验结果表明:(1)所提出的模型在风格迁移有效性和计算效率方面都有较好的表现。样式保持率为82.11% ~ 88.54%。内容保留率在87.90% ~ 92.56%之间。这些结果表明,该模型在保留原有设计的基础上,有效地融合了多种风格元素。(2)该方法在所有六种时尚风格的峰值信噪比(PSNR)方面优于其他三种模型。值得注意的是,在“豪华”风格下,本文方法的PSNR值达到32.01,显著高于其他模型。(3)在计算效率方面,模型生成一个风格转换的服装设计形象平均需要15.23 s。存储空间占用为251.45 MB,计算资源利用率为60.78%。这些结果与传统方法相比有了显著的改进。本研究通过提出一个增强视觉效果和设计多样性的模型做出了重大贡献。此外,它在计算效率和资源利用率方面优于传统方法。该模型为服装设计行业提供了一种新颖的技术途径,有效地降低了设计成本,提高了设计过程的整体效率。
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引用次数: 0
Evaluation method of e-government audit information based on big data analysis 基于大数据分析的电子政务审计信息评价方法
Pub Date : 2025-04-28 DOI: 10.1016/j.sasc.2025.200256
Jingui He , Hansi Ya
With the continuous growth of e-government data, traditional audit methods face increasing limitations in handling large-scale data, leading to low processing efficiency and insufficient accuracy. To address these challenges, this paper proposes a big data-driven evaluation and prediction model for e-government audit information. The proposed method is built on a Hadoop-based distributed computing platform, which supports heterogeneous data integration and efficient parallel processing. Furthermore, a parallel PSO-RF algorithm combining Particle Swarm Optimization (PSO) and Random Forest (RF) is designed to enhance classification performance and computational efficiency. Experiments are conducted using e-government audit data from a Chinese province collected between 2018 and 2020, covering 15 audit categories. The model performance is comprehensively evaluated using accuracy, recall, F1-score, and AUC metrics. Results demonstrate that the proposed parallel PSO-RF algorithm outperforms conventional RF and Support Vector Machine (SVM) approaches across multiple indicators, with a maximum prediction deviation of only 0.28 % compared to actual audit issue probabilities. This study not only improves the accuracy and efficiency of audit information processing but also provides a scalable technical approach and theoretical foundation for intelligent audit evaluation and risk assessment in e-government systems.
随着电子政务数据的不断增长,传统的审计方法在处理大规模数据时面临越来越大的局限性,导致处理效率低,准确性不足。针对这些挑战,本文提出了一个大数据驱动的电子政务审计信息评价与预测模型。该方法建立在基于hadoop的分布式计算平台上,支持异构数据集成和高效并行处理。在此基础上,结合粒子群算法(PSO)和随机森林算法(RF)设计了一种并行PSO-RF算法,提高了分类性能和计算效率。实验使用了2018年至2020年间收集的中国某省的电子政务审计数据,涵盖了15个审计类别。模型性能使用准确性、召回率、f1分数和AUC指标进行综合评估。结果表明,所提出的并行PSO-RF算法在多个指标上优于传统的RF和支持向量机(SVM)方法,与实际审计问题概率相比,最大预测偏差仅为0.28%。本研究不仅提高了审计信息处理的准确性和效率,而且为电子政务系统智能审计评价和风险评估提供了可扩展的技术途径和理论基础。
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引用次数: 0
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Systems and Soft Computing
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