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Proceedings of the 3rd International Conference on Mechatronics Engineering and Information Technology (ICMEIT 2019)最新文献

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BP Neural Network-based Model for Evaluating User Interfaces of Human-computer Interaction System 基于BP神经网络的人机交互系统用户界面评价模型
Ruixin Chen, Na Lin, Jin Su, Yanjun Shi
Human-computer interaction system is the medium for human and computer. The rationality and intelligence of its design directly affect the work efficiency and execution ability of relevant practitioners. Traditional human-computer interaction evaluation usually adopts expert evaluation method. This method is difficult to evaluate objectively because of people’s subjective cognitive differences. Therefore, this paper proposes an intelligent evaluation method for complex human-computer interaction system based on BP neural network model. First, the known evaluation indicators are classified and organized, and five key evaluation indicators are optimized according to importance and relevance. Then the index is quantified into the evaluation function according to the fuzzy analytic hierarchy process. Finally, the data obtained by the simulation test is used as the training set and test set of the BP neural network, and then the evaluation model of the humancomputer interaction system is obtained.
人机交互系统是人机交互的媒介。其设计的合理性和智能性直接影响到相关从业人员的工作效率和执行能力。传统的人机交互评价通常采用专家评价方法。由于人们主观认知的差异,这种方法难以客观评价。为此,本文提出了一种基于BP神经网络模型的复杂人机交互系统智能评价方法。首先,对已知的评价指标进行分类和组织,并根据重要性和相关性对5个关键评价指标进行优化。然后根据模糊层次分析法将指标量化为评价函数。最后,将仿真测试得到的数据作为BP神经网络的训练集和测试集,得到人机交互系统的评价模型。
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引用次数: 0
Decentralized Location Privacy Protection Method of Offset Grid 偏移网格分散位置隐私保护方法
Jie Ling, Junyi Xu
Location services bring convenience to people's lives, but also easily lead to the disclosure of personal privacy information. Many location privacy protection methods are based on trusted anonymous servers, but in real life, the anonymous servers are not trusted. This paper proposes a decentralized location privacy protection method of offset grid for untrusted anonymous servers. The method divides the location area into grids, and the user calculates the offset grid area according to the periodically updated grid information and sends the offset grid area to the anonymous server. The anonymous server selects K-1 distributed grid coordinates according to the history of other user's query, the anonymous grid points set satisfies the multi-diversity. The method in this paper has lower time overhead while protecting user privacy information, and the location distribution of anonymous location sets is more decentralized. Experiments were carried out on the simulated data set. The experimental results verify the effectiveness of the method.
位置服务给人们的生活带来便利的同时,也容易导致个人隐私信息的泄露。许多位置隐私保护方法都是基于可信的匿名服务器,但在现实生活中,匿名服务器是不可信的。针对不可信匿名服务器,提出了一种偏移网格的分散位置隐私保护方法。该方法将位置区域划分为网格,用户根据周期性更新的网格信息计算出偏移网格区域,并将偏移网格区域发送给匿名服务器。匿名服务器根据其他用户的查询历史选择K-1个分布式网格坐标,匿名网格点集满足多重分集。该方法在保护用户隐私信息的同时降低了时间开销,并且匿名位置集的位置分布更加分散。在模拟数据集上进行了实验。实验结果验证了该方法的有效性。
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引用次数: 3
Research on Intelligent Scheduling Optimization Selection Algorithm for Medical Information 医疗信息智能调度优化选择算法研究
Ming Li, R. Hu, Hong Xu, Huimin Zhao, Xueri Li
Aiming at the problems of asymmetric information and long delay time and excessive use of network traffic and inaccurate recommendation in the traditional medical information recommendation algorithm, the improved adaptive scheduling algorithm and intelligent optimization recommendation algorithm are combined, it can completely solve the problems of time, traffic occupancy, stability and accuracy of medical information push. In this paper, an improved adaptive scheduling algorithm is proposed to solve the problems of time occupancy, traffic flow and connection stability of medical information recommendation. The proposed intelligent optimization recommendation algorithm solves the accuracy problem of medical information recommendation. Experimental results show that the proposed algorithm has the advantages of short delay time, low flow occupation, stable connection and high accuracy of push.
针对传统医疗信息推荐算法中存在的信息不对称、延迟时间长、过度使用网络流量、推荐不准确等问题,将改进的自适应调度算法与智能优化推荐算法相结合,彻底解决医疗信息推送的时间、流量占用、稳定性和准确性等问题。本文提出了一种改进的自适应调度算法,以解决医疗信息推荐的时间占用、流量和连接稳定性问题。提出的智能优化推荐算法解决了医疗信息推荐的准确性问题。实验结果表明,该算法具有延迟时间短、占用流量少、连接稳定、推送精度高等优点。
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引用次数: 0
Research on Library Big Data Cleaning System based on Big Data Decision Analysis Needs 基于大数据决策分析需求的图书馆大数据清洗系统研究
Jianfeng Liao, J. You, Qun Zhang
In the era of big data, university library information management services must be based on actual conditions, using high-quality data to improve big data management. However, high-quality big data is useful data that needs to be filtered and classified. Big data cleansing is an effective way to improve data quality. To this end, the paper proposes to integrate the data resources of efficient libraries, analyze the source and type of useless data, and design a hierarchical management model of data. The model includes management operation level, data cleaning and filtering level, data integration level and big data. At the resource utilization level, after attempting to filter invalid data through data cleaning, the complexity of big data decision analysis is reduced, library big data integration is promoted, big data decision-making is realized, and the possibility of library big data integration and sharing is improved.
在大数据时代,高校图书馆信息管理服务必须立足实际,利用高质量数据,完善大数据管理。然而,高质量的大数据是有用的数据,需要过滤和分类。大数据清洗是提高数据质量的有效途径。为此,本文提出整合高效图书馆的数据资源,分析无用数据的来源和类型,设计数据分层管理模型。该模型包括管理操作层、数据清洗过滤层、数据集成层和大数据层。在资源利用层面,通过数据清洗尝试过滤无效数据后,降低了大数据决策分析的复杂性,促进了图书馆大数据集成,实现了大数据决策,提高了图书馆大数据集成共享的可能性。
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引用次数: 0
The Application of Gillespie Algorithm in Spreading Gillespie算法在传播中的应用
X. Deng, Xiaomeng Wang
. The contagion models of disease-spread which predict the epidemics grow with time goes by have been widely researched in social networks. The discrete-time simulation method, Monte Carlo Simulation where time is discretized into uniform steps and transition rates between states are replaced by transition probabilities, are mostly applied when simulating the models. In this paper, we propose a continuous-time approach, the Gillespie algorithm, which can be used for fast simulation of stochastic processes, is event-driven rather than using equally-spaced time steps. We show how the method can be adapted to the epidemic models, mainly in the susceptible-infected model and susceptible-infected-susceptible model, and confirm the accuracy of the method with numerical simulations. Based on the accuracy of the method, we make some changes in epidemic models to make the models more applicable.
. 疾病传播的传染模型在社会网络中得到了广泛的研究,该模型可以预测流行病随时间的增长。离散时间仿真方法蒙特卡罗仿真,将时间离散为均匀步长,用过渡概率代替状态间的过渡率,在模型仿真中被广泛应用。在本文中,我们提出了一种连续时间方法,即Gillespie算法,它可以用于快速模拟随机过程,它是事件驱动的,而不是使用等间隔时间步长。我们展示了该方法如何适用于流行病模型,主要是易感-感染模型和易感-感染-易感模型,并通过数值模拟证实了该方法的准确性。基于该方法的准确性,我们对流行病模型进行了一些修改,使模型更适用。
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引用次数: 2
Research on Computer Software Engineering based on Scientific Workflow 基于科学工作流的计算机软件工程研究
Wenjun Ji
Co-simulation technology plays a vital role in computer software engineering design and development. How to improve resource allocation and workflow coupling computational efficiency in complex simulation is a key point in software engineering management. Scientific workflow technology is the means of support to solve the above problems. This method can simplify the complicated operation process of software product developers' collection, calculation and analysis of large-scale scientific data, realize product process customization, deployment and execution, and effectively improve the problem-solving efficiency. Based on this, the thesis uses the scientific workflow concept to implement collaborative simulation calculation in computer software engineering to improve software design efficiency.
联合仿真技术在计算机软件工程设计与开发中起着至关重要的作用。如何提高复杂仿真中的资源分配和工作流耦合计算效率是软件工程管理中的一个关键问题。科学的工作流技术是解决上述问题的支撑手段。该方法可以简化软件产品开发人员收集、计算和分析大规模科学数据的复杂操作过程,实现产品流程定制、部署和执行,有效提高问题解决效率。在此基础上,本文运用科学的工作流概念在计算机软件工程中实现协同仿真计算,以提高软件设计效率。
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引用次数: 0
Prediction Model of Expressway Natural Risk Loss 高速公路自然风险损失预测模型
Bo Wang, Yan Zhou, Yufeng Bi, Qiangqiang Jing, Qiangmin Zhang, Jie Song
Abstract. Natural risks of expressway remain an important part of its operation risks. However, due to the variety, universality, locality and suddenness of natural risks, the prediction of expressway natural risks is difficult to forecast and control. In this paper, the expressway natural risk loss prediction model is established by the combining method of Chaos theory and Neural network according to the accident percentage data of rainy weather in recent 20 years in Shandong province. The use of this combining method can solve the problem of uncertain risk factors in expressway operation risks and can provide for decision-making reference and data support for expressway management and operation departments.
摘要高速公路自然风险是高速公路运营风险的重要组成部分。然而,由于自然风险的多样性、普遍性、局部性和突发性,高速公路自然风险预测难以预测和控制。本文根据山东省近20年阴雨天气事故百分比数据,采用混沌理论与神经网络相结合的方法,建立了高速公路自然风险损失预测模型。采用该组合方法可以解决高速公路运营风险中风险因素不确定的问题,为高速公路管理和运营部门提供决策参考和数据支持。
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引用次数: 0
Comparing Rank Aggregation Methods based on Mallows Model 基于Mallows模型的等级聚合方法比较
Zhangqian Zhu, Xiaomeng Wang, Shi Qiu
Rank aggregation is the process of aggregating multiple base rankers into a single but more comprehensive ranker, which plays an important role in many domains such as recommender system, meta-search, database, genomics, etc. Works related to the comparison of rank aggregation methods all don’t have a suitable and general data generation mechanism to produce data with various characteristics and lack a more reasonable and effective algorithm evaluation performance index. Therefore, this paper presents a general data generation mechanism based on Mallows model to produce synthetic controllable datasets, uses generalized Kendall rank correlation coefficient and rank-biased overlap to evaluate and compare the performance of two kinds of methods under different settings. Besides, we also consider the comparison between indices and the impact of data characteristics on the algorithms. This paper may be helpful to researchers and decision-makers from multiple domains.
排名聚合是将多个基本排名聚合成一个更全面的排名的过程,在推荐系统、元搜索、数据库、基因组学等领域发挥着重要作用。与排名聚合方法比较相关的工作都没有合适的通用的数据生成机制来产生具有各种特征的数据,也缺乏更合理有效的算法评价性能指标。因此,本文提出了一种基于Mallows模型的通用数据生成机制,生成综合可控数据集,并采用广义Kendall秩相关系数和秩偏重叠对两种方法在不同设置下的性能进行评价和比较。此外,我们还考虑了指标之间的比较以及数据特征对算法的影响。本文对多领域的研究人员和决策者有一定的参考价值。
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引用次数: 0
Research on Traffic Congestion Resolution Mechanism based on Genetic Algorithm and Multi-Agent 基于遗传算法和多智能体的交通拥堵解决机制研究
Zehua Zhang, Jiahao Ye, Shuoya Cheng
In recent years, the number of motor vehicles in China has grown rapidly, and the contradiction between supply and demand of vehicles and roads has become more apparent. The problem of urban traffic congestion has become increasingly prominent, and the mechanism of congestion resolution has emerged. At present, there are still many shortcomings in China's traffic congestion control system. The phenomenon of urban road congestion is still widespread. The existing traffic control system cannot meet the complicated traffic network and cannot alleviate the deterioration of traffic conditions. This paper proposes a multi-agent traffic control system, which aims to control the green-signal and red-signal ratio of traffic flow at multiple adjacent intersections in the traffic network, thereby improving the driving ability of the traffic flow. This paper starts from the traffic control network and uses a single agent as the unit. Through multi-agent technology, the information between multiple agents at each intersection can be circulated, and each agent can quickly respond and automatically adapt to changes in traffic information. A genetic algorithm is used to establish a distributed urban traffic control system that can be continuously optimized. It is hoped that through the research in this paper, the problem of urban road traffic congestion deterioration can be effectively solved, thereby improving the vehicle traffic capacity and the efficiency of social activities.
近年来,中国机动车保有量快速增长,车路供需矛盾日益突出。城市交通拥堵问题日益突出,拥堵解决机制逐渐形成。目前,中国的交通拥堵控制系统还存在许多不足。城市道路拥堵的现象仍然普遍存在。现有的交通控制系统不能满足复杂的交通网络,不能缓解交通状况的恶化。本文提出了一种多智能体交通控制系统,该系统旨在控制交通网络中多个相邻交叉口交通流的红绿信号比例,从而提高交通流的行驶能力。本文从交通控制网络出发,以单个智能体为单元。通过多智能体技术,可以实现各个交叉口多个智能体之间的信息循环,每个智能体都能快速响应并自动适应交通信息的变化。采用遗传算法建立可持续优化的分布式城市交通控制系统。希望通过本文的研究,能够有效解决城市道路交通拥堵恶化的问题,从而提高车辆通行能力和社会活动效率。
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引用次数: 2
The Experience of Air-Rail Transport in Airports at Home and Abroad and Its Enlightenment to Guangzhou 国内外机场空铁运输经验及对广州的启示
M. Su, Xiaojun Deng
In recent years, high-speed rail transport and air transport have developed rapidly at home and abroad, and the competition between railway transport and air transport is becoming increasingly fierce, but there is also room for cooperation. Overseas Heathrow Airport, Skip Airport, Charles de Gaulle Airport, Frankfurt Airport before and after the provision of air rail transport services, which have an impact on the domestic airport cities. This paper makes a comparative analysis of the air-to-rail intermodal transport in the main airport cities at home and abroad, and obtains the following conclusions: saving the transfer time, shortening the distance between the air rail hubs, and vigorously developing the air rail transport by goods. Introduction of private capital investment in the construction of air-rail combined transport facilities and other five aspects of enlightenment.
近年来,国内外高速铁路运输和航空运输发展迅速,铁路运输与航空运输的竞争日趋激烈,但也有合作的空间。海外希思罗机场、斯基普机场、戴高乐机场、法兰克福机场前后均提供航空铁路运输服务,这对国内各机场城市都有影响。本文对国内外主要空港城市的空铁联运进行了比较分析,得出以下结论:节省了中转时间,缩短了空铁枢纽之间的距离,大力发展空铁货物运输。介绍了民间资本投资建设空铁联运设施等五个方面的启示。
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引用次数: 0
期刊
Proceedings of the 3rd International Conference on Mechatronics Engineering and Information Technology (ICMEIT 2019)
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