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Research on Personalized Minority Tourist Route Recommendation Algorithm Based on Deep Learning 基于深度学习的个性化少数民族旅游路线推荐算法研究
Pub Date : 2022-01-07 DOI: 10.1155/2022/8063652
Guang Liu
With the improvement of living standards, more and more people are pursuing personalized routes. This paper uses personalized mining of interest points of ethnic minority tourism demand groups, extracts customer data features in social networks, and constructs data features of interesting topic factors, geographic location factors, and user access frequency factors, using LDA topic models and matrix decomposition models to perform feature vectorization processing on user sign-in records and build deep learning recommendation model (DLM). Using this model to compare with the traditional recommendation model and the recommendation model of a single data feature module, the experimental results show the following: (1) The fitting error of DLM recommendation results is significantly reduced, and its recommendation accuracy rate is 50% higher than that of traditional recommendation algorithms. The experimental results show that the DLM constructed in this paper has good learning and training performance, and the recommendation effect is good. (2) In this method, the performance of the DLM is significantly higher than other POI recommendation methods in terms of the accuracy or recall rate of the recommendation algorithm. Among them, the accuracy rates of the top five, top ten, and top twenty recommended POIs are increased by 9.9%, 7.4%, and 7%, respectively, and the recall rate is increased by 4.2%, 7.5%, and 14.4%, respectively.
随着生活水平的提高,越来越多的人追求个性化路线。本文通过对少数民族旅游需求群体兴趣点的个性化挖掘,提取社交网络中的客户数据特征,构建兴趣话题因素、地理位置因素和用户访问频率因素的数据特征,利用LDA主题模型和矩阵分解模型对用户登录记录进行特征矢量化处理,构建深度学习推荐模型(DLM)。利用该模型与传统推荐模型和单个数据特征模块的推荐模型进行对比,实验结果表明:(1)DLM推荐结果的拟合误差显著降低,其推荐准确率比传统推荐算法提高50%。实验结果表明,本文构建的DLM具有良好的学习和训练性能,推荐效果良好。(2)在该方法中,DLM在推荐算法的正确率或召回率方面的性能都明显高于其他POI推荐方法。其中,前5名、前10名和前20名推荐poi的准确率分别提高了9.9%、7.4%和7%,召回率分别提高了4.2%、7.5%和14.4%。
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引用次数: 2
Curative Effect of Interventional Therapy and Neurological Changes in Ischemic Stroke of Posterior Circulation Evaluated by Magnetic Resonance Imaging under Genetic Algorithm 遗传算法下磁共振成像评价介入治疗后循环缺血性卒中的疗效及神经功能改变
Pub Date : 2022-01-07 DOI: 10.1155/2022/2656706
Xiaodu Yu, Xingyou Zheng, Daoyou Cheng
Objective. This study aimed to evaluate the improvement and neurological function changes of patients with ischemic stroke in the posterior circulation before and after interventional therapy using magnetic resonance imaging (MRI) under genetic algorithm and compressed sensing algorithm. Methods. Thirty-six patients with posterior circulation ischemia who visited the interventional cerebrovascular disease area were included in this study. The treatment effect was observed through abnormal signal changes in the lesion area on each sequence of MRI images before and after treatment. The National Institutes of Health Stroke Scale (NIHSS) was used for the evaluation of the changes in neurological function. Results. The real data experiment results suggested that the peak signal-to-noise ratio (PSNR) = 39.33 and structure similarity (SSIM) = 0.96 in the algorithm reconstructed image, which showed no significant difference with the simulation experiment results of PSNR = 35.19 and SSIM = 0.96 ( P < 0.05 ). In addition, the stenosis rate after interventional treatment (13.89%) was substantially lower than that before treatment (91.67%) ( P < 0.05 ). Cerebral blood flow (CBF) of the bilateral occipital lobes and cerebellum after six months of treatment was higher than that before treatment ( P < 0.05 ), and the incidence of postoperative restenosis was 11.11% (4/36). Conclusion. The combination of genetic algorithm and compressed sensing algorithm had a good effect on MRI image processing. The posterior circulation ischemia interventional stent implantation can effectively improve the stenosis of the vertebral artery and vertebral basilar artery as well as the cerebral tissue perfusion in the ischemic area, which improved the clinical symptoms substantially and reduced the probability of restenosis.
目标。本研究旨在评价遗传算法和压缩感知算法下磁共振成像(MRI)对缺血性卒中患者介入治疗前后后循环的改善和神经功能的改变。方法。本研究纳入36例后脑循环缺血的介入脑血管病患者。通过治疗前后各序列MRI图像病变区域异常信号变化观察治疗效果。采用美国国立卫生研究院卒中量表(NIHSS)评估神经功能的变化。结果。真实数据实验结果表明,算法重构图像的峰值信噪比(PSNR) = 39.33,结构相似度(SSIM) = 0.96,与模拟实验结果PSNR = 35.19, SSIM = 0.96无显著差异(P < 0.05)。此外,介入治疗后狭窄率(13.89%)明显低于治疗前(91.67%)(P < 0.05)。治疗6个月后双侧枕叶和小脑脑血流量(CBF)高于治疗前(P < 0.05),术后再狭窄发生率为11.11%(4/36)。结论。遗传算法与压缩感知算法的结合在MRI图像处理中取得了良好的效果。后循环缺血介入支架植入术可有效改善椎动脉和椎基底动脉狭窄,改善缺血区脑组织灌注,显著改善临床症状,降低再狭窄的发生概率。
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引用次数: 0
Technical Study on 5G Using Soft Computing Methods 基于软计算方法的5G技术研究
Pub Date : 2022-01-07 DOI: 10.1155/2022/1570604
J. Divakaran, Somashekhar Malipatil, Tareeq Zaid, M. Pushpalatha, Vilaskumar Patil, A. Chakrapani, T. Titus, K. Srihari, M. R. Vignesh, Baswaraj Gadgay, Venkatesa Prabhu Sundramurthy
With increasing advancements in the field of telecommunication, the attainment of a higher data transfer rate is essentially a greater need to meet high-performance communication. The exploitation of the fuzzy system in the wireless telecommunication systems, especially in Fifth Generation Mobile Networks (or) 5G networks is a vital paradigm in telecommunication markets. A comprehensive survey is dealt in the paper, where it initially reviews the basic understanding of fuzzy systems over 5G telecommunication. The literature studies are collected from various repositories that include reference materials, Internet, and other books. The collection of articles is based on empirical or evidence-based from various peer-reviewed journals, conference proceedings, dissertations, and theses. Most of the existing soft computing models are streamlined to certain applications of 5G networking. Firstly, it is hence essential to provide the readers to find research gaps and new innovative models on wide varied applications of 5G. Secondly, it deals with the scenarios in which the fuzzy systems are developed under the 5G platform. Thirdly, it discusses the applicability of fuzzy logic systems on various 5G telecommunication applications. Finally, the paper derives the conclusions associated with various studies on the fuzzy systems that have been utilized for the improvement of 5G telecommunication systems.
随着电信领域的不断发展,实现更高的数据传输速率本质上是满足高性能通信的更大需求。模糊系统在无线通信系统,特别是在第五代移动网络(或5G)网络中的应用是电信市场的一个重要范例。本文进行了全面的调查,初步回顾了对5G电信模糊系统的基本理解。文献研究是从各种资料库收集的,包括参考资料、互联网和其他书籍。文章的收集是基于经验或证据,从各种同行评议的期刊,会议记录,论文和论文。大多数现有的软计算模型都被简化为5G网络的某些应用。首先,必须为读者提供关于5G广泛应用的研究空白和新的创新模式。其次,讨论了5G平台下模糊系统的开发场景。第三,讨论了模糊逻辑系统在各种5G通信应用中的适用性。最后,本文通过对模糊系统的各种研究得出结论,这些研究已被用于5G电信系统的改进。
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引用次数: 26
Psychological Impact of the Hospital Indoor Public Spaces on Patients' Health, Assessment, and Analysis 医院室内公共空间对患者健康的心理影响、评估与分析
Pub Date : 2022-01-07 DOI: 10.1155/2022/4010643
Zhe Du, Baogang Lin, Zhenyi Chen
Due to the rapid development of social economy, general hospital buildings of China are undergoing changes in their models, technology, and medical systems. Changes in the model of hospitals may affect the functional structure, streamline layout, and spatial form of the hospital building. The biological-psychological-social (biopsychosocial) model covers the overall significant factors in healthcare. The model focuses on the hospital public environment. For the advocacy of patient-centered medical concepts, researchers have put forward newer and higher requirements as well. However, there is scarcity of research that targets the psychological impact of general hospital public space environment construction on the patients’ health. Moreover, there is no unanimously recognized standard questionnaire for the public space environment. The purpose of this article is to investigate the needs of inpatients for the space environment, to understand the influencing factors of various space environments, and to explore the law of patient needs. The research intends to provide a theoretical background for the construction of a patient-centered space environment. A dedicated questionnaire was designed to systematically collect the significant features and factors. Using cluster sampling, a total of four medical and surgical wards were investigated. The data obtained from 430 questionnaires were statistically analyzed by SPSS-10.0. Various statistical operations such as descriptive analysis, independent sample t test, one-way analysis of variance, and linear and logistic regressions were performed over the data. The psychological impact was studied from four aspects. The highest score (3-4 points) obtained for the larger number of patients (84.4%) testifies that the public space environment has a significant impact on patients’ mental health. Besides healthcare, outcomes of the paper may be used in various related domains such as psychological well beings, spatial analysis, social interaction, and public space designing.
随着社会经济的快速发展,中国综合医院建筑在模式、技术和医疗体系等方面都在发生着变化。医院模式的改变会影响医院建筑的功能结构、流线布局和空间形态。生物-心理-社会(生物-心理-社会)模型涵盖了医疗保健中的所有重要因素。该模型着眼于医院公共环境。对于以患者为中心的医学理念的倡导,研究者也提出了更新、更高的要求。然而,针对综合医院公共空间环境建设对患者心理健康影响的研究尚不多见。此外,对于公共空间环境也没有一个公认的标准调查问卷。本文的目的是调查住院患者对空间环境的需求,了解各种空间环境的影响因素,探索患者需求的规律。本研究旨在为构建以患者为中心的空间环境提供理论背景。设计了一份专门的问卷,系统地收集重要特征和因素。采用整群抽样的方法,共调查了4个内科和外科病房。采用SPSS-10.0软件对430份问卷数据进行统计分析。对数据进行描述性分析、独立样本t检验、单向方差分析、线性和逻辑回归等统计操作。从四个方面对心理影响进行了研究。患者人数最多(84.4%),得分最高(3-4分),说明公共空间环境对患者心理健康有显著影响。除医疗保健外,本文的研究结果可用于心理健康、空间分析、社会互动和公共空间设计等多个相关领域。
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引用次数: 1
Evaluation of the Efficacy of Statins in the Treatment of Coronary Artery Plaque Using Dual-Source Spiral Computed Tomography Image Features under Deep Learning 基于深度学习的双源螺旋ct图像特征评价他汀类药物治疗冠状动脉斑块的疗效
Pub Date : 2022-01-07 DOI: 10.1155/2022/1810712
Weizhong Yu, Haixia Ji, Qingjun Tan
This study aimed at discussing deep learning-based dual-source spiral computed tomography (DSCT) image in the evaluation of the efficacy of statins in the treatment of coronary artery plaque. A convolutional neural network (CNN) algorithm was proposed in this study. On this basis, the model was improved, the Res-Net network was applied to reconstruct the computed tomography (CT) image, and the deep learning network model Mask R-CNN was constructed to enhance the ability of image reconstruction. Then, 80 patients with coronary artery disease who were treated in hospital were selected as the research objects and divided into a control group (n = 40) and an observation group (n = 40). There were 21 male patients and 19 female patients in the control group, with an average age of 52 ± 3.2 years; there were 24 male patients and 16 female patients in the observation group, with an average age of 51 ± 2.4 years. The observation group was reconstructed with the constructed model, and patients in the control group received traditional CT. The interval between two examinations was 6–12 months, with an average interval of 8 ± 1.78 months. During the interval, all patients received conservative treatment mainly with atorvastatin. The general data of the two groups were comparable without statistical significance ( P > 0.05 ). A network model was constructed to measure the coronary plaque and vascular volume of the patients, and the images were reconstructed on the Res-Net network. The loss value of Res-Net network was stable at the lowest level around 0.02, showing a very fast effect in the training process. After statin treatment, the vascular volume and coronary plaque volume of the patients were decreased obviously ( P < 0.05 ). The average time spent in the network model was 1.20 seconds. The average time spent in the measurement of each disc by doctors A, B, and C was 186 seconds, 158 seconds, and 142 seconds, respectively. The construction of network model markedly improved the speed of CT image diagnosis and treatment. In conclusion, the Res-Net network model proposed in this study had certain feasibility and effectiveness for dual-source CT (DSCT) image segmentation and could effectively improve the clinical information evaluation of CT images from patients with coronary artery disease, which had important reference value for the development of intelligent medical equipment. It could provide a new diagnostic method for clinical prediction and diagnosis of coronary artery disease (CAD).
本研究旨在探讨基于深度学习的双源螺旋计算机断层扫描(DSCT)图像在评估他汀类药物治疗冠状动脉斑块疗效中的作用。本研究提出了一种卷积神经网络(CNN)算法。在此基础上对模型进行改进,应用Res-Net网络重建CT图像,构建深度学习网络模型Mask R-CNN增强图像重建能力。然后选取80例住院治疗的冠心病患者作为研究对象,分为对照组(n = 40)和观察组(n = 40)。对照组男性21例,女性19例,平均年龄52±3.2岁;观察组男性24例,女性16例,平均年龄51±2.4岁。观察组采用所建模型重建,对照组采用传统CT。两次检查间隔6 ~ 12个月,平均间隔8±1.78个月。在此期间,所有患者均接受以阿托伐他汀为主的保守治疗。两组一般资料比较,差异无统计学意义(P > 0.05)。建立网络模型测量患者的冠状动脉斑块和血管体积,并在Res-Net网络上重建图像。Res-Net网络的损失值稳定在最低水平0.02左右,在训练过程中表现出非常快的效果。他汀类药物治疗后,患者血管体积、冠状动脉斑块体积均明显减小(P < 0.05)。在网络模型中花费的平均时间为1.20秒。A、B、C医生测量每个椎间盘的平均时间分别为186秒、158秒、142秒。网络模型的构建显著提高了CT图像的诊断和处理速度。综上所述,本研究提出的Res-Net网络模型对双源CT (DSCT)图像分割具有一定的可行性和有效性,能够有效提高冠状动脉疾病患者CT图像的临床信息评价,对智能医疗设备的发展具有重要的参考价值。为临床预测和诊断冠心病(CAD)提供了新的诊断方法。
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引用次数: 0
Semantic Graph Neural Network: A Conversion from Spam Email Classification to Graph Classification 语义图神经网络:从垃圾邮件分类到图分类的转换
Pub Date : 2022-01-07 DOI: 10.1155/2022/6737080
Weisen Pan, Jian Li, Lisa Gao, Liexiang Yue, Yan Yang, Lingli Deng, Chao Deng
In this study, we propose a method named Semantic Graph Neural Network (SGNN) to address the challenging task of email classification. This method converts the email classification problem into a graph classification problem by projecting email into a graph and applying the SGNN model for classification. The email features are generated from the semantic graph; hence, there is no need of embedding the words into a numerical vector representation. The method performance is tested on the different public datasets. Experiments in the public dataset show that the presented method achieves high accuracy in the email classification test against a few public datasets. The performance is better than the state-of-the-art deep learning-based method in terms of spam classification.
在这项研究中,我们提出了一种名为语义图神经网络(SGNN)的方法来解决电子邮件分类的挑战性任务。该方法将电子邮件的分类问题转化为图的分类问题,通过将电子邮件投影成图,并应用SGNN模型进行分类。从语义图中生成电子邮件特征;因此,不需要将单词嵌入到数字向量表示中。在不同的公共数据集上测试了该方法的性能。在公共数据集上的实验表明,该方法在针对少数公共数据集的邮件分类测试中取得了较高的准确率。在垃圾邮件分类方面,其性能优于目前最先进的基于深度学习的方法。
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引用次数: 9
Artificial Intelligence Segmentation Model-Based Computed Tomography Angiography Image in the Diagnosis of Congenital Aortic Constriction 基于人工智能分割模型的计算机断层血管造影图像在先天性主动脉狭窄诊断中的应用
Pub Date : 2022-01-07 DOI: 10.1155/2022/9057901
Tao Zheng, Guofeng Shao, Qingyun Zhou, Qinning Wang, Mengmeng Ye
This study was to analyze the impacts of the image segmentation model and computed tomography angiography (CTA) on the clinical diagnosis of aortic constriction under the background of artificial intelligence. In this study, 126 patients with congenital aortic constriction (CAC) diagnosed by surgery were selected as the research objects and routine digital subtraction angiography (DSA) and CTA were performed. Then, the traditional active contour model (AC model) was optimized based on the local area information to construct a new image segmentation model for intelligent segmentation and reconstruction of the CTA images of patients. The results revealed that compared with the AC model and the image segmentation model based on region growth (RG model) obtained from angiography segmentation, the algorithm constructed in this study showed a smaller segmentation range for angiography images and more accurate segmentation results. The quantitative data results suggested that the evolution times and running time of the constructed model were less than those of the AC and RG models P < 0.05 . Based on the gold standard of DSA examination results, there were 122 correctly diagnosed cases, 3 missed diagnosed cases, and 1 misdiagnosed by CTA, so the diagnosis coincidence rate was 96.83%. Compared with DSA, the average inner diameter and average pressure difference of patients with precatheter, paracatheter, and postcatheter type were not greatly different in CTA P > 0.05 . The CTA examination suggested there were 154 cases with intracardiac structural abnormalities, with a detection rate of 86.52%; there were 32 cases of cardiac-vascular connection abnormalities, with a detection rate of 100%; and there were 79 extracardiac vascular abnormalities, with the detection rate of 95.18%. It indicated that the optimized image segmentation model based on local area information proposed in this paper has excellent segmentation performance for CT angiography images and has good segmentation effect and efficiency. The CTA based on the artificial intelligence image segmentation model showed a better diagnostic effect on abnormal heart-vascular connection and abnormal extracardiac blood vessels and can be used as an effective examination method for clinical diagnosis of CAC.
本研究旨在分析人工智能背景下图像分割模型和计算机断层血管造影(CTA)对主动脉缩窄临床诊断的影响。本研究选取126例经手术诊断为先天性主动脉缩窄(CAC)的患者作为研究对象,进行常规数字减影血管造影(DSA)和CTA检查。然后,基于局部区域信息对传统的活动轮廓模型(AC模型)进行优化,构建新的图像分割模型,用于患者CTA图像的智能分割和重建。结果表明,与血管造影分割得到的AC模型和基于区域生长的图像分割模型(RG模型)相比,本文构建的算法对血管造影图像的分割范围更小,分割结果更准确。定量数据结果表明,所构建模型的演化次数和运行时间均小于AC和RG模型(P < 0.05)。CTA检查提示心内结构异常154例,检出率86.52%;心血管连接异常32例,检出率100%;心外血管异常79例,检出率95.18%。结果表明,本文提出的基于局部区域信息的优化图像分割模型对CT血管成像图像具有良好的分割性能,具有良好的分割效果和分割效率。基于人工智能图像分割模型的CTA对心脏血管连接异常、心外血管异常的诊断效果较好,可作为临床诊断CAC的有效检查方法。
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引用次数: 0
International Trade English Phrases and Grammar Translation 外贸英语短语和语法翻译
Pub Date : 2022-01-07 DOI: 10.1155/2022/3726492
Xinxin Wang
With the frequent occurrence of international trade communication, in order to improve the quality of communication, this paper proposes a study on the translation of international trade English phrases and grammar. First, with the help of a rectangular window function, the composition principle of international trade English phrases is determined. Then, the horizontal feature aggregation point method is introduced to build a mathematical model of the characteristic identification of the English phrases. Finally, the sparse matrix representation of the source phrase is constructed to complete the extraction and preprocessing of the English phrase features. The input English sentence is converted into the output sentence, the form and POS factors of the English semantic translation are extracted, and a lemma is introduced to obtain the surface form of international trade English language factors. According to the international trade grammar analysis method, this paper decomposes the translation model, decomposes English sentences into small phrases for translation, and completes the research on international trade English phrase and grammar translation. The experimental results show that this method has high accuracy in the feature extraction of international trade English phrases, and the error rate is low, which is feasible.
随着国际贸易交际的频繁发生,为了提高交际质量,本文提出了对国际贸易英语短语和语法翻译的研究。首先,借助于矩形窗口函数,确定了外贸英语短语的构成原则。然后,引入水平特征聚集点法,建立了英语短语特征识别的数学模型。最后,构造源短语的稀疏矩阵表示,完成英语短语特征的提取和预处理。将输入的英语句子转化为输出的句子,提取英语语义翻译的形式和词性因素,并引入引理得到国际贸易英语语言因素的表面形式。本文根据国际贸易语法分析方法,对翻译模型进行分解,将英语句子分解成小短语进行翻译,完成对国际贸易英语短语和语法翻译的研究。实验结果表明,该方法在外贸英语短语特征提取中准确率高,错误率低,是可行的。
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引用次数: 0
Artificial Intelligence Education System Based on Differential Evolution Algorithm to Optimize SVM 基于差分进化算法优化支持向量机的人工智能教育系统
Pub Date : 2022-01-07 DOI: 10.1155/2022/5379646
Weilin Long, Yifang Gao
The artificial intelligence education system promotes the rooting of artificial intelligence in the education field and accelerates its entry into the era of intelligent education. This article focuses on the development of the artificial intelligence education system and proposes an artificial intelligence education system based on differential evolution algorithm optimization support vector machine. First, the processing of educational demand information data is automated, then a differential evolution algorithm is built to optimize the support vector machine model, and the model is used to implement various educational tasks to achieve automated education. The test results show that the model classification accuracy, classification recall rate, classification accuracy rate, and F1-score value are 4 items. Performances have been improved to improve the efficiency of education work and provide a reference for exploring the application and practice of artificial intelligence in education.
人工智能教育系统促进了人工智能在教育领域的扎根,加速了人工智能进入智能教育时代。本文围绕人工智能教育系统的发展,提出了一种基于差分进化算法优化支持向量机的人工智能教育系统。首先实现教育需求信息数据的自动化处理,然后构建差分进化算法对支持向量机模型进行优化,利用支持向量机模型执行各种教育任务,实现自动化教育。测试结果表明,模型的分类准确率、分类召回率、分类准确率和f1得分值为4项。提高了绩效,提高了教育工作的效率,为探索人工智能在教育中的应用和实践提供了参考。
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引用次数: 3
Performance Appraisal Management System of University Administrators Based on Hybrid Cloud 基于混合云的高校管理者绩效考核管理系统
Pub Date : 2022-01-07 DOI: 10.1155/2022/9326563
X. Wu
Aiming at the problems of poor functionality, high occupancy, and low real-time performance of the currently designed performance appraisal management system for university administrators, a performance appraisal management system for university administrators based on hybrid cloud is designed. According to the characteristics of hybrid cloud technology, the overall functional requirements and feasibility of the system are analyzed, and the assessment scheme of administrative personnel according to the provisions of relevant documents is analyzed. The performance appraisal index system is designed using an analytic hierarchy process. Using the hybrid cloud architecture and B/S mode based on each component as a service model and J2EE development framework, the basic information management subsystem of administrative personnel, performance appraisal information management subsystem, information analysis and data mining subsystem, and platform system management subsystem are developed. Using XML technology and database technology, the system is integrated with the performance appraisal management system of administrators in colleges and universities. Through the design of data flow diagram and E-R diagram, the design of performance appraisal management system for university administrators based on hybrid cloud is realized. The experimental results show that the proposed method has good functionality, can effectively reduce the system occupancy, and can improve the real-time performance of the system.
针对目前设计的高校管理员绩效考核管理系统存在的功能性差、占用率高、实时性低等问题,设计了基于混合云的高校管理员绩效考核管理系统。根据混合云技术的特点,分析了系统的整体功能需求和可行性,并根据相关文档的规定分析了管理人员的考核方案。运用层次分析法设计了绩效考核指标体系。采用混合云架构和基于各组件为服务模型的B/S模式,采用J2EE开发框架,开发了行政人员基本信息管理子系统、绩效考核信息管理子系统、信息分析与数据挖掘子系统和平台系统管理子系统。本系统采用XML技术和数据库技术,与高校管理人员绩效考核管理系统相结合。通过数据流图和E-R图的设计,实现了基于混合云的高校管理人员绩效考核管理系统的设计。实验结果表明,该方法具有良好的功能性,能有效降低系统占用率,提高系统的实时性。
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