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2022 11th International Conference of Information and Communication Technology (ICTech))最新文献

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Research on University Teaching Quality Evaluation and Guarantee System Based on Block Chain Technology 基于区块链技术的高校教学质量评价与保障体系研究
Pub Date : 2022-02-01 DOI: 10.1109/ICTech55460.2022.00117
Hong-yuan Wang
Influenced by the COVID-19 epidemic in the past two years, colleges and universities at home and abroad have adopted a combination of online and offline teaching reform, education informatization and intelligent talent training methods, which have become the focus of research for educators. The teaching quality is related to the quality of talent cultivation, and the intelligence, fairness and accuracy of the teaching evaluation system are particularly important. And block chain technology is decentralized and safe and reliable features, so the development of the technology based on big data and chain blocks obeys the law of education development of teaching evaluation system, to solve the shortage of the current appraisal system, and realize the sharing of teaching resources, integrate and optimize the teaching resources, promoting the standardization and standardization of teaching resources construction, To promote the construction and better development of disciplines in colleges and universities.
近两年受新冠肺炎疫情影响,国内外高校采取线上线下相结合的教学改革、教育信息化、人才培养智能化等方式,成为教育工作者研究的重点。教学质量关系到人才培养的质量,教学评价体系的智能性、公正性和准确性尤为重要。而区块链技术具有分散、安全可靠的特点,因此基于大数据和区块链技术的发展顺应了教育发展规律的教学评价体系,解决了当前教学评价体系的不足,实现了教学资源的共享,整合和优化了教学资源,促进了教学资源的规范化和规范化建设。促进高校学科建设和更好发展。
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引用次数: 0
Text Classification Using BiGRU with Directional Self-Attention 具有方向性自关注的BiGRU文本分类
Pub Date : 2022-02-01 DOI: 10.1109/ICTech55460.2022.00085
Tiantian Jiang, Zhanguo Wang
In the field of natural language processing, text classification is a key daily task. The main goal is to obtain effective features from text information, find the correspondence between feature representations and category labels, so as to classify the text. From the perspective of data flow, it is mainly divided into five stages: text preprocessing, vector representation of text, feature extraction, classifier classification and model training to complete text classification tasks. Among them, feature extraction is a very important stage, and it is also the focus of this article. GRU can learn long-term dependencies from learned local features, and bidirectional GRU can learn hidden features in sentences. The self-attention mechanism exhibits superior performance in many fields in natural language processing. It can mine the autocorrelation of data and highlight key information by adjusting the weight of keywords. Therefore, in view of the shortcomings of existing models in text global information modeling, this paper combines bidirectional GRU and self-attention mechanism, and proposes a hybrid model BiGRU-MA for text classification, which can extract deep semantic features and solve the problem of classification performance degradation due to the lack of semantic information. This article uses text classification related technology to model, describes the modeling ideas, and introduces the technology used, and finally compares experiments with existing models to verify the effectiveness of the model.
在自然语言处理领域,文本分类是一项重要的日常任务。主要目标是从文本信息中获取有效特征,找到特征表示与类别标签之间的对应关系,从而对文本进行分类。从数据流的角度来看,主要分为文本预处理、文本向量表示、特征提取、分类器分类和模型训练五个阶段来完成文本分类任务。其中特征提取是非常重要的一个阶段,也是本文研究的重点。GRU可以从学习到的局部特征中学习到长期依赖关系,双向GRU可以学习到句子中的隐藏特征。自注意机制在自然语言处理的许多领域都表现出优越的性能。通过调整关键词的权重,挖掘数据的自相关性,突出显示关键信息。因此,针对现有模型在文本全局信息建模方面存在的不足,本文将双向GRU与自关注机制相结合,提出了一种用于文本分类的混合模型BiGRU-MA,该模型能够提取深层语义特征,解决了由于语义信息缺乏而导致分类性能下降的问题。本文利用文本分类相关技术进行建模,描述了建模思路,并介绍了所采用的技术,最后与现有模型进行了实验对比,验证了模型的有效性。
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引用次数: 1
Study on Ethanol Coupling Reaction Based on BP Neural Network and Correlation 基于BP神经网络和相关性的乙醇偶联反应研究
Pub Date : 2022-02-01 DOI: 10.1109/ICTech55460.2022.00076
R. Cheng, Shuya Peng, Ziheng Dai
Butanol and C4 olefins, as important chemical raw materials, are widely used in the production of chemical products and pharmaceutical intermediates. Traditional production methods use fossil energy as raw materials, but with the shortage of fossil energy production and the aggravation of its impact on the environment, the energy supply gradually tends to be diversified, and the development of new clean energy is becoming more and more urgent. Ethanol molecules can be prepared by biomass fermentation. They have a wide range of sources and are green and clean. They are used as platform molecules to produce high value-added butanol and C_4 olefins have great application prospects and economic benefits, and have attracted extensive attention at home and abroad. However, in the current industrial production, the catalyst combination and temperature have a great impact on the conversion of ethylene and the selectivity of C4 olefins, and its selection and control greatly affect the production efficiency of C4 olefins. This paper focuses on the influence effect and degree of two factors on two dependent variables in the process of preparing C4 olefins by ethylene coupling reaction. By establishing the least square curve to fit the temperature and ethanol conversion and the temperature and C4 olefin selectivity, the fitting curve is obtained. It can be seen that the temperature has a primary or quadratic function relationship with the ethanol conversion or C4 olefin selectivity, so it is judged that it has a certain influence, Then the effects of temperature, catalyst group and loading method on ethanol conversion and C4 olefin selectivity were obtained by Spearman correlation coefficient and random forest regression algorithm. Based on this result, the model is established, optimized and analyzed, and the optimal catalyst combination and temperature are obtained, so as to obtain the highest C4 olefin yield and achieve the maximum industrial benefit
丁醇和C4烯烃作为重要的化工原料,广泛应用于化工产品和医药中间体的生产。传统的生产方式以化石能源为原料,但随着化石能源生产的短缺及其对环境影响的加剧,能源供应逐渐趋向多样化,开发新型清洁能源的需求越来越迫切。乙醇分子可以通过生物质发酵制备。它们有广泛的来源,是绿色和清洁的。它们作为平台分子用于生产高附加值的丁醇和C_4烯烃,具有很大的应用前景和经济效益,引起了国内外的广泛关注。但在目前的工业生产中,催化剂的组合和温度对乙烯的转化率和C4烯烃的选择性影响很大,其选择和控制对C4烯烃的生产效率影响很大。研究了乙烯偶联反应制备C4烯烃过程中两个因素对两个因变量的影响作用和程度。通过建立最小二乘曲线拟合温度与乙醇转化率、温度与C4烯烃选择性,得到拟合曲线。可以看出,温度与乙醇转化率或C4烯烃选择性呈一次或二次函数关系,因此判断温度对乙醇转化率和C4烯烃选择性有一定的影响,然后通过Spearman相关系数和随机森林回归算法得到温度、催化剂基团和负载方式对乙醇转化率和C4烯烃选择性的影响。在此基础上,建立模型并进行优化分析,得到最佳催化剂组合和温度,以获得最高的C4烯烃收率,实现最大的工业效益
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引用次数: 0
Numerical Simulation of Multi-Degree Indoor Skiing Simulation System 多度室内滑雪模拟系统的数值模拟
Pub Date : 2022-02-01 DOI: 10.1109/ICTech55460.2022.00083
H. Yang, Zhe Sun
Skiing as a practical strong sports items, due to the effect of season there is scarcity, so expect in current scientific research scholars to explore in practice to develop an indoor ski, with many degrees of freedom simulation system, to help athletes or interested participants more degrees of freedom indoor ski ski training simulator system. This new training platform can help them strengthen their behavioral awareness in practical training, reduce training time and cost, and promote effective interaction between human autonomous senses and 3D objects in virtual environment. Based on a comprehensive understanding of the current indoor skiing simulator system construction experience, this paper conducted a simulation study on the 3-DOF simulated skiing training platform, and proposed a practical control method. The final results prove that this control platform model can help athletes better carry out skill training.
滑雪作为一项实用性较强的运动项目,由于受季节影响存在稀缺性,因此期望在目前的科研学者在实践中探索开发一种具有多自由度的室内滑雪模拟系统,以帮助运动员或感兴趣的参与者获得更多自由度的室内滑雪模拟训练系统。这种新的训练平台可以帮助他们在实际训练中增强行为意识,减少训练时间和成本,促进虚拟环境中人类自主感官与三维物体的有效交互。本文在全面了解当前室内滑雪模拟器系统建设经验的基础上,对三自由度模拟滑雪训练平台进行了仿真研究,并提出了实用的控制方法。最终结果证明,该控制平台模型能够更好地帮助运动员进行技能训练。
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引用次数: 0
Design and Implementation of Privacy Protection of Charity System Based on Blockchain 基于区块链的慈善隐私保护系统的设计与实现
Pub Date : 2022-02-01 DOI: 10.1109/ICTech55460.2022.00036
Jingang Yu, Zhifeng Wen, Shu Li, Yongkang Hou
With more and more public involvement in the charity field, higher requirements are put forward for user privacy protection in the charity system. As a decentralized, anonymous and immutable distributed ledger, blockchain provides a new idea to solve the privacy protection problems in charity systems. Aiming at the problem of data privacy protection of charity system, user-oriented and data-oriented privacy protection methods are proposed. User-oriented privacy protection by writing smart contracts to limit users' access to data and ensure the privacy of data; Data-oriented privacy protection encrypts data by using encryption algorithms. In this paper, an improved AES algorithm is proposed. By dynamically constructing S-box, the algorithm does not have obvious structural characteristics, and various properties are random transformation, which increases the difficulty of cracking; At the same time, the AES algorithm is parallelized to improve the encryption and decryption rates. Experimental results show that the improved AES algorithm can ensure the security of data encryption in charity system and improve the operation efficiency.
随着公众对慈善领域的参与越来越多,对慈善制度中的用户隐私保护提出了更高的要求。区块链作为一种去中心化、匿名化、不可变的分布式账本,为解决慈善系统中的隐私保护问题提供了新的思路。针对慈善系统的数据隐私保护问题,提出了面向用户和面向数据的隐私保护方法。面向用户的隐私保护,通过编写智能合约来限制用户对数据的访问,确保数据的隐私性;面向数据的隐私保护通过加密算法对数据进行加密。本文提出了一种改进的AES算法。通过动态构造s盒,算法没有明显的结构特征,各种性质都是随机变换,增加了破解难度;同时,对AES算法进行并行化处理,提高了加密和解密速率。实验结果表明,改进的AES算法能够保证慈善系统数据加密的安全性,提高运行效率。
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引用次数: 0
Research on Traffic Intrusion Detection Method Based on Deep Learning 基于深度学习的流量入侵检测方法研究
Pub Date : 2022-02-01 DOI: 10.1109/ICTech55460.2022.00048
Jinghui Zhang, Y. Xiang
With the rapid development of computer technology and the expansion of the Internet, intrusions on the Internet have become more frequent. With the development of machine learning technology, people apply machine learning technology to the anomaly detection of network traffic. However, traditional traffic classification not only relies on complex features, but also extracts users' private content, which has a negative impact on users. It is already difficult to meet the current increasingly large-scale network. Due to the rapid development of deep learning recently, it has very good applications in many fields. In this article, on the basis of it, we use Convolutional Neural Networks (CNN) and long- and short-term memory networks, and comprehensively put forward corresponding intrusion detection models based on the actual classification characteristics of the data set and model, optimization is performed.
随着计算机技术的飞速发展和互联网的不断扩大,对互联网的入侵变得越来越频繁。随着机器学习技术的发展,人们将机器学习技术应用到网络流量的异常检测中。然而,传统的流量分类不仅依赖于复杂的特征,而且还提取了用户的隐私内容,对用户产生了负面影响。已经很难满足目前日益庞大的网络。由于近年来深度学习的快速发展,它在许多领域都有很好的应用。本文在此基础上,利用卷积神经网络(CNN)和长短期记忆网络,根据数据集和模型的实际分类特征,综合提出相应的入侵检测模型,并进行优化。
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引用次数: 0
A Classification Model for Unbalanced Power Traffic 不平衡电力流量的分类模型
Pub Date : 2022-02-01 DOI: 10.1109/ICTech55460.2022.00026
Jian Tang, Xiwang Li
With the continuous development of power grid informationization, the information security of the power grid is increasingly concerned. Grid traffic classification is an important basis for ensuring information security of the grid. In the process of realizing grid traffic classification, due to the different frequency of grid services and the increasing number of new services, it leads to problems such as unbalanced grid traffic data and dynamic traffic data, etc. The unbalanced traffic data causes the prediction accuracy of small categories to be much lower than the applicable standard, and the dynamic traffic data causes the model update to take a lot of time and resource overhead The dynamic traffic data causes the model update to take a lot of time and resource overhead. To solve these problems, a classification model for unbalanced dynamic grid traffic data (UDTCM) is proposed in this paper. The model uses the statistical characteristics of the flow data to detect the prediction accuracy of the classifier in time and avoid the prediction results from significantly degrading with the change of environment. Meanwhile, a resampling algorithm is used to correct the flow data to improve the data imbalance of grid flows and improve the prediction accuracy of small classes. The experimental results show that the model improves the classification of unbalanced grid flow data and reduces the time and resource overhead of model updates due to data updates.
随着电网信息化的不断发展,电网的信息安全日益受到人们的关注。网格流量分类是保证网格信息安全的重要基础。在实现网格流量分类的过程中,由于网格业务频次不同,新业务数量不断增加,导致网格流量数据不均衡、流量数据动态等问题。不平衡的流量数据导致小类别预测精度远低于适用标准,动态的流量数据导致模型更新花费大量的时间和资源开销,动态的流量数据导致模型更新花费大量的时间和资源开销。为了解决这些问题,本文提出了一种不平衡动态网格交通数据的分类模型。该模型利用流量数据的统计特征,及时检测分类器的预测精度,避免预测结果随着环境的变化而显著下降。同时,采用重采样算法对流量数据进行校正,改善网格流量数据的不平衡性,提高小类预测精度。实验结果表明,该模型改进了不平衡网格流数据的分类,减少了数据更新带来的模型更新时间和资源开销。
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引用次数: 0
Analysis of Data Mining and Dynamic Neural Network for Data Prediction 数据挖掘与动态神经网络数据预测分析
Pub Date : 2022-02-01 DOI: 10.1109/ICTech55460.2022.00069
Yancheng Long, J. Rong
Data prediction, as an important symbol of network technology innovation and development, is a technical process of estimating future data by combining existing data. Nowadays, with the comprehensive development of mobile network and social network, people are faced with more and more electronic data in daily life. At this time, how to accurately predict future data or understand the development trend of data is of great significance to industry construction. Neural network, as a computational model built by computer to simulate the process of human brain neuron processing information, has certain nonlinear modeling ability in practical application, and can adapt to master the law of data hiding as soon as possible. Therefore, in this paper, the neural network model and fuzzy system are discussed in depth, and the fuzzy neural network model is chosen to analyze the data prediction, and a general prediction framework based on fuzzy C clustering and ANFIS hybrid learning algorithm is proposed in the practical research, and an improved fuzzy C clustering based on density weighting (IDWFCM) is proposed. The final simulation results show that the clustering effect of IDWFCM algorithm is not affected by noise data, so that the convergence speed of the system is higher than the traditional clustering algorithm, the overall increase of 60%, and the clustering accuracy also increases from 88.4% to 94.2%.
数据预测是结合现有数据对未来数据进行估计的技术过程,是网络技术创新与发展的重要标志。在移动网络和社交网络全面发展的今天,人们在日常生活中面临着越来越多的电子数据。此时,如何准确预测未来数据或了解数据的发展趋势,对行业建设具有重要意义。神经网络作为计算机模拟人脑神经元处理信息过程而建立的计算模型,在实际应用中具有一定的非线性建模能力,能够适应于尽快掌握数据隐藏的规律。因此,本文对神经网络模型和模糊系统进行了深入探讨,选择模糊神经网络模型对数据预测进行分析,并在实际研究中提出了基于模糊C聚类和ANFIS混合学习算法的通用预测框架,并提出了基于密度加权的改进模糊C聚类(IDWFCM)。最后的仿真结果表明,IDWFCM算法的聚类效果不受噪声数据的影响,使系统的收敛速度高于传统的聚类算法,总体提高了60%,聚类精度也从88.4%提高到94.2%。
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引用次数: 0
Modelling and Simulation of a Spliced Intelligent Medicine Box 拼接式智能药箱的建模与仿真
Pub Date : 2022-02-01 DOI: 10.1109/ICTech55460.2022.00090
Tianlei Wang, Jing Zhou, Weilin Liang, Na Xiao, Ye Li, Zhenhua Ou, Junda Deng, Xiangyuan Zhou
In order to solve the problems of difficult medication monitoring and low dispensing efficiency in geriatric homes, this paper designs an intelligent spliced medicine box. The medicine box adopts STM32F407Z as the main control chip, uses the motor to control the rotation of the medicine box to as-sist patients to take out medicine, and has a voice to remind patients to take medicine in time. At the same time, the identification technology is utilized to avoid the elderly taking the wrong medicine. An application program is designed to realize the function of remote monitoring. In addition, the medicine box can be spliced together one by one to form a set of medicine box array, which is convenient for unified dispensing. And the dispensing strategy is optimized, which greatly improves the dispensing efficiency of the nursing homes for the elderly. Finally, intelligent management of medication reminder, medication remote monitoring and rapid dispensing is realized, which has certain practical value in the market.
为了解决老年家庭药品监控难、调剂效率低的问题,本文设计了一种智能拼接药箱。药箱采用STM32F407Z作为主控芯片,利用电机控制药箱的转动,帮助患者取出药品,并有声音提醒患者及时服药。同时利用识别技术,避免老年人误药。设计了实现远程监控功能的应用程序。另外,可将药箱一个个拼接在一起,形成一套药箱阵列,便于统一配药。并对调剂策略进行了优化,大大提高了养老院的调剂效率。最后实现了用药提醒、用药远程监控和快速调剂的智能管理,具有一定的市场实用价值。
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引用次数: 0
Research on Emotion Classification of Movie Background Music Based on Improved Clustering Algorithm 基于改进聚类算法的电影背景音乐情感分类研究
Pub Date : 2022-02-01 DOI: 10.1109/ICTech55460.2022.00067
Jinyuan Wang
Movie background music plays a positive role in enhancing emotion, drama and movie atmosphere. If the background music can be automatically classified based on emotion, it will help to improve the analysis efficiency and quality of emotional content of movies. In view of this feature, researchers put forward a musical emotion classifier based on the emotional characteristics of film background music, and optimize the emotion of background music. Annotations. In this paper, based on the understanding of the current research situation of film media background music, after accurately extracting music features, the PLSA as the core of film background music emotion classification model is proposed, and the actual design of empirical analysis, the final results show that this method can obtain high-precision classification results.
电影背景音乐在增强情感、戏剧和电影氛围方面起着积极的作用。如果能够基于情感对背景音乐进行自动分类,将有助于提高电影情感内容的分析效率和质量。针对这一特点,研究者提出了一种基于电影背景音乐情感特征的音乐情感分类器,并对背景音乐的情感进行优化。注释。本文在了解电影媒体背景音乐研究现状的基础上,在准确提取音乐特征后,提出了以PLSA为核心的电影背景音乐情感分类模型,并进行了实际设计的实证分析,最终结果表明该方法能够获得高精度的分类结果。
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引用次数: 0
期刊
2022 11th International Conference of Information and Communication Technology (ICTech))
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