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Proceedings of the 2020 4th International Conference on Intelligent Systems, Metaheuristics & Swarm Intelligence最新文献

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Analysis of Microscopic Behavior in Ant Traffic to Understand Jam-free Transportation 蚂蚁交通微观行为分析以理解无拥堵交通
P. Kasture, H. Nishimura
In this paper, we present an analysis of microscopic behaviors of ants to understand ant interactions that lead to jam-free ant traffic. For the analysis here, we use an agent-based model of ant traffic and mathematical analysis of key scenarios on the ant trail to understand relations between ants' environment and the interactions of ants with it. Our analysis indicates that ants increase their velocity for decreasing headway, which leads to a peculiar jam absorption mechanism. We also show that ants on trail collect information about flow in the recent past, which allows them to make informed decisions about their travel. Based on our observation, we propose that mimicking an ant communication system could help individuals in man-made transportation systems to make better decisions for higher efficiency, which could improve the efficiency of overall system.
在本文中,我们提出了蚂蚁微观行为的分析,以了解蚂蚁之间的相互作用,导致无拥堵的蚂蚁交通。为了进行分析,我们使用基于代理的蚂蚁流量模型和蚂蚁路径上关键场景的数学分析来理解蚂蚁环境和蚂蚁与环境的相互作用之间的关系。我们的分析表明,蚂蚁为了减少车头时距而增加速度,这导致了一种特殊的拥堵吸收机制。我们还表明,在小路上的蚂蚁会收集最近的流量信息,这使它们能够对自己的旅行做出明智的决定。基于我们的观察,我们提出模仿蚂蚁通信系统可以帮助人工交通系统中的个体做出更好的决策以提高效率,从而提高整个系统的效率。
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引用次数: 1
Healthcare Center IoT Edge Gateway Based on Containerized Microservices 基于容器化微服务的医疗中心物联网边缘网关
Wiroon Sriborrirux, Peeradach Laortum
The growth of ubiquitous healthcare systems, particularly for general and residential healthcare, is increasing dramatically. One of the most significant components of such systems is the gateway, which acts as a middleware between Internet of Things (IoT) devices and cloud application services. Here, we propose an IoT edge gateway framework based on docker container technology as the legacy virtualization technology to empower microservice architectures for aiding multiple-device real-time monitoring in locations such as nursing homes and residential care centers. The framework is used to identify IoT devices and the gateway itself in home networks for restricting access only to authorized users and non-manipulated devices. We propose the use of state-of-the-art hardware-based security supporting the mutual authentication process with the Elliptic Curve Digital Signature Algorithm as well as integrity protection to validate the device, gateway, and cloud platform integrity to identify manipulation and detect unauthorized changes by signing these data. This approach can prevent man-in-the-middle attacks. As a result, we can implement each service located in this proposed IoT edge gateway framework to enhance capabilities in edge analytics by adding hardened security with the average latency time at 2.373 ms.
无处不在的医疗保健系统的增长,特别是一般和住宅医疗保健,正在急剧增加。这类系统中最重要的组件之一是网关,它充当物联网(IoT)设备和云应用程序服务之间的中间件。在这里,我们提出了一个基于docker容器技术的物联网边缘网关框架作为传统虚拟化技术,以支持微服务架构,帮助养老院和住宅护理中心等地点的多设备实时监控。该框架用于识别家庭网络中的物联网设备和网关本身,以限制仅对授权用户和非操纵设备的访问。我们建议使用最先进的基于硬件的安全性,支持椭圆曲线数字签名算法的相互认证过程,以及完整性保护,以验证设备、网关和云平台的完整性,通过签名这些数据来识别操纵和检测未经授权的更改。这种方法可以防止中间人攻击。因此,我们可以实现这个提议的物联网边缘网关框架中的每个服务,通过增加平均延迟时间为2.373 ms的强化安全性来增强边缘分析功能。
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引用次数: 4
Empirical Analysis of A Partial Dominance Approach to Many-Objective Optimisation 多目标优化的部分优势法实证分析
A. Engelbrecht, Mardé Helbig
Studies on standard many-objective optimisation problems have indicated that multi-objective optimisation algorithms struggle to solve optimisation problems with more than three objectives, because many solutions become dominated. Therefore, the Paretodominance relation is no longer efficient in guiding the search to find an optimal Pareto front for many-objective optimisation problems. Recently, a partial dominance approach has been proposed to address the problem experienced with application of the dominance relation on many objectives. Preliminary results have illustrated that this partial dominance relation has promise, and scales well with an increase in the number of objectives. This paper conducts a more extensive empirical analysis of the partial dominance relation on a larger benchmark of difficult many-objective optimisation problems, in comparison to state-of-the-art algorithms. The results further illustrate that partial dominance is an efficient approach to solve many-objective optimisation problems.
对标准多目标优化问题的研究表明,多目标优化算法很难解决三个以上目标的优化问题,因为许多解决方案都会被支配。因此,对于多目标优化问题来说,帕累托支配关系在指导搜索以找到最佳帕累托前沿方面不再有效。最近,有人提出了一种部分支配方法,以解决在许多目标上应用支配关系所遇到的问题。初步结果表明,这种部分支配关系很有前景,而且随着目标数量的增加,其扩展性也很好。本文对部分支配关系进行了更广泛的实证分析,并将其与最先进的算法进行了比较。结果进一步说明,部分支配关系是解决多目标优化问题的有效方法。
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引用次数: 3
Identification of Major Depressive Disorder: Using Significant Features of EEG Signals Obtained by Random Forest and Ant Colony Optimization Methods 利用随机森林和蚁群优化方法获得的脑电信号显著特征识别重度抑郁症
Saikat Bandopadhyay, Srijan Nag, Sujay Saha, A. Ghosh
Electroencephalogram (EEG) is an electrophysiological monitoring method to record the electrical activity of the brain. EEG is most often used to diagnose epilepsy, which causes abnormalities in EEG readings. It is also used to diagnose sleep disorders, depth of anesthesia, coma, encephalopathy, brain death, and depression. Being one of the prevalent psychiatric disorders, depressive episodes of major depressive disorder (MDD) is often misdiagnosed or overlooked. Therefore, identifying MDD at earlier stages of treatment could help to facilitate efficient and specific treatment. In this article, Random Forest (RF) and Ant Colony Optimization (ACO) algorithm are used to reduce the number of features by removing irrelevant and redundant features. The selected features are then fed into k-nearest neighbors (KNN) and SVM classifiers, a mathematical tool for data classification, regression, function estimation, and modeling processes, in order to classify MDD and non-MDD subjects. The proposed method used Wavelet Transformation (WT) to decompose the EEG data into corresponding frequency bands, like delta, theta, alpha, beta and gamma. A total of 119 participants were recruited by the University of Arizona from introductory psychology classes based on survey scores of the Beck Depression Inventory (BDI). The performance of KNN and SVM classifiers is measured first with all the features and then with selected significant features given by RF and ACO. It is possible to discriminate 44 MDD and 75 non-MDD subjects efficiently using 15 of 65 channels and 3 of 5 frequency bands to improve the performance, where the significant features are obtained by the RF method. It is found that the classification accuracy has been improved from70.21% and76.67% using all the features to the corresponding 91.67% and 83.33% with only significant features using KNN and Support Vector Machine (SVM) respectively.
脑电图(EEG)是一种记录大脑电活动的电生理监测方法。脑电图最常用于诊断癫痫,这会导致脑电图读数异常。它也被用来诊断睡眠障碍、麻醉深度、昏迷、脑病、脑死亡和抑郁症。重度抑郁症(MDD)的抑郁发作是一种常见的精神疾病,常被误诊或忽视。因此,在治疗的早期阶段识别重度抑郁症有助于促进有效和特异性的治疗。本文使用随机森林(RF)和蚁群优化(ACO)算法通过去除不相关和冗余的特征来减少特征的数量。然后将选定的特征输入k近邻(KNN)和SVM分类器(用于数据分类、回归、函数估计和建模过程的数学工具),以便对MDD和非MDD主题进行分类。该方法利用小波变换(Wavelet transform, WT)将EEG数据分解为delta、theta、alpha、beta和gamma等相应的频段。亚利桑那大学根据贝克抑郁量表(BDI)的调查分数从心理学入门班招募了119名参与者。KNN和SVM分类器的性能首先用所有特征来衡量,然后用RF和ACO给出的重要特征来衡量。利用65个通道中的15个和5个频带中的3个,可以有效地区分44个MDD和75个非MDD受试者,以提高性能,其中显著特征通过射频方法获得。结果表明,采用KNN和支持向量机(SVM)的分类准确率分别从使用所有特征的70.21%和76.67%提高到只使用显著特征的91.67%和83.33%。
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引用次数: 0
An Enhanced Grey Wolf Algorithm Based on Equalization Mechanism 一种基于均衡机制的增强灰狼算法
Yun-tao Zhao, Wei Mei, Weigang Li
Since the GWO (Grey wolf optimization) has some limitation in application to real-wold problems, such as slow convergence speed, low precision and it easily falls into the local minimal in the later stage of complex optimization problems, a novel grey wolf algorithm based on equalization mechanism (EmGWO) is proposed. In the proposed algorithm, the uniform distribution point set, equalization mechanism, and winning mechanism are used to enhance the searching ability of the grey wolf algorithm. Simulation based on well-known benchmark functions demonstrates the efficiency of the proposed EmGWO.
针对灰狼优化算法在实际问题中的收敛速度慢、精度低以及复杂优化问题后期容易陷入局部极小值等缺点,提出了一种基于均衡机制的灰狼算法(EmGWO)。该算法采用均匀分布点集、均衡机制和获胜机制来增强灰狼算法的搜索能力。基于知名基准函数的仿真验证了所提出的EmGWO的有效性。
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引用次数: 0
Why Deep Learning Is More Efficient than Support Vector Machines, and How it is Related to Sparsity Techniques in Signal Processing 为什么深度学习比支持向量机更有效,以及它与信号处理中的稀疏性技术有何关系
Laxman Bokati, O. Kosheleva, V. Kreinovich, Uram Anibal Sosa Aguirre
Several decades ago, traditional neural networks were the most efficient machine learning technique. Then it turned out that, in general, a different technique called support vector machines is more efficient. Reasonably recently, a new technique called deep learning has been shown to be the most efficient one. These are empirical observations, but how we explain them - thus making the corresponding conclusions more reliable? In this paper, we provide a possible theoretical explanation for the above-described empirical comparisons. This explanation enables us to explain yet another empirical fact - that sparsity techniques turned out to be very efficient in signal processing.
几十年前,传统的神经网络是最有效的机器学习技术。然后我们发现,一般来说,另一种叫做支持向量机的技术更有效。最近,一种被称为深度学习的新技术被证明是最有效的技术。这些都是经验观察,但我们如何解释它们——从而使相应的结论更可靠?本文为上述实证比较提供了一种可能的理论解释。这种解释使我们能够解释另一个经验事实——稀疏性技术在信号处理中非常有效。
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引用次数: 1
Reducing Network Polarization by Edge Additions 通过边缘添加减少网络极化
Ruben Interian, Jorge Moreno, C. Ribeiro
Real-world networks are often extremely polarized, because the communication between groups of vertices can be weak and, most of the time, only vertices in the same groups or sharing the same beliefs communicate to each other. We formulate the Minimum-Cardinality Balanced Edge Addition Problem as a strategy for reducing polarization in real-world networks based on a principle of minimum external interventions. We give the integer programming formulation and discuss computational results on randomly generated and real-life instances. We show that polarization can be reduced to the desired threshold with the addition of a few edges. The minimum intervention principle and the approach developed in this work are shown to constitute an effective strategy for reducing polarization in social, interaction, and communication networks.
现实世界的网络通常是极端极化的,因为顶点组之间的通信可能很弱,而且大多数时候,只有同一组中的顶点或具有相同信念的顶点才能相互通信。基于最小外部干预原则,我们将最小基数平衡边加法问题作为一种减少现实世界网络极化的策略。给出了整数规划公式,并讨论了随机生成和实际实例的计算结果。我们表明,极化可以减少到所需的阈值与增加一些边。在这项工作中开发的最小干预原则和方法被证明是减少社会、互动和通信网络中两极分化的有效策略。
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引用次数: 4
Deep Learning (Partly) Demystified 深度学习(部分)揭开神秘面纱
V. Kreinovich, O. Kosheleva
Successes of deep learning are partly due to appropriate selection of activation function, pooling functions, etc. Most of these choices have been made based on empirical comparison and heuristic ideas. In this paper, we show that many of these choices - and the surprising success of deep learning in the first place - can be explained by reasonably simple and natural mathematics.
深度学习的成功部分是由于激活函数、池化函数等的适当选择。这些选择大多是基于经验比较和启发式思想做出的。在本文中,我们展示了许多这样的选择——以及深度学习的惊人成功——可以用相当简单和自然的数学来解释。
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引用次数: 9
A Hybrid Genetic Simulated Annealing Algorithm in the Retardance Optimization of Citrate Coated Ferrofluid 柠檬酸盐包覆铁磁流体缓速优化中的混合遗传模拟退火算法
Jing-Fung Lin
In this paper, a hybrid of genetic algorithm (GA) and simulated annealing (SA) algorithm (HGSA) is developed to optimize the retardance in citrate (citric acid, CA) coated ferrofluids (FFs). The HGSA not only can overcome the deficiency of GA but also increase the possibility of finding the global solution by using SA. It enhances the ability of local searching by using SA. Initially, two factors that affect the performance of SA as initial temperature and cooling rate are decided. The maximum retardance is found as 42.4058° with a parametric combination of [5.5, 0.12, 40, 90], corresponding to pH of suspension, molar ratio of CA to Fe3O4, CA volume, and coating temperature. Moreover, when executing the HGSA algorithm, two parametric combinations of [5.499, 0.12, 39.369, 90] and [5.496, 0.106, 39.832, 89.976] associated with maximum and minimum retardance obtained by GA are adopted as the start points in the simulation of SA algorithm. Hence, a better solution of 42.4313° with [5.5, 0.12, 38.733, 90] is sought successfully. The hybrid of GA and SA can improve the solving efficiency.
本文提出了一种混合遗传算法(GA)和模拟退火算法(HGSA)来优化柠檬酸(柠檬酸,CA)包覆铁磁流体(FFs)的缓速。HGSA不仅克服了遗传算法的不足,而且增加了利用遗传算法寻找全局解的可能性。利用SA增强了局部搜索的能力。首先确定了影响SA性能的两个因素:初始温度和冷却速度。最大缓速为42.4058°,参数组合为[5.5,0.12,40,90],对应于悬浮液的pH、CA与Fe3O4的摩尔比、CA体积和涂层温度。在执行HGSA算法时,采用遗传算法得到的最大和最小延迟相关的[5.499,0.12,39.369,90]和[5.496,0.106,39.832,89.976]两个参数组合作为SA算法仿真的起点。因此,我们成功地找到了[5.5,0.12,38.733,90]的较优解42.4313°。遗传算法和遗传算法的混合可以提高求解效率。
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引用次数: 2
Scheduling Tardiness Constrained Flow Shop with Simultaneously Loaded Stations Using Genetic Algorithm 基于遗传算法的多工位并行调度
D. Davendra, F. Hermann, M. Bialic-Davendra
This paper describes an approach for solving a tardiness constrained flow shop with simultaneously loaded stations using a Genetic Algorithm (GA). This industrial based problem is modeled from a filter basket production line and is generally solved using deterministic algorithms. An evolutionary approach is utilized in this paper to improve the tardiness and illustrate better consistent results. A total of 120 different problem instances in six test cases are randomly generated to mimic conditions, which occur at industrial practice and solved using 22 different GA scenarios. These results are compared with four standard benchmark priority rule based algorithms of First in First Out (FIFO), Raghu and Rajendran (RR), Shortest Processing Time (SPT) and Slack. From all the obtained results, GA was found to consistently outperform all compared algorithms for all the problem instances.
本文提出了一种用遗传算法求解具有多站点同时加载的时滞约束流车间问题的方法。这个基于工业的问题是从过滤篮生产线建模的,通常使用确定性算法来解决。本文采用了一种进化的方法来改善延迟性,并说明了更好的一致性结果。在6个测试用例中随机生成了总共120个不同的问题实例,以模拟工业实践中出现的情况,并使用22种不同的GA场景来解决。这些结果与先进先出(FIFO)、Raghu和Rajendran (RR)、最短处理时间(SPT)和Slack四种基于优先级规则的标准基准算法进行了比较。从所有获得的结果中,发现GA在所有问题实例中始终优于所有比较算法。
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引用次数: 1
期刊
Proceedings of the 2020 4th International Conference on Intelligent Systems, Metaheuristics & Swarm Intelligence
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