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2018 32nd International Conference on Advanced Information Networking and Applications Workshops (WAINA)最新文献

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Multi-agent Based Simulations of Block-Free Distributed Ledgers 基于多智能体的无块分布式账本仿真
Michele Bottone, F. Raimondi, G. Primiero
In the past ten years distributed ledgers such as Bitcoin and smart contracts that can run code autonomously have seen an exponential growth both in terms of research interest and in terms of industrial and financial applications. These find a natural application in the area of Sensor Networks and Cyber-Physical Systems. However, the incentive architecture of blockchains requires massive computational resources for mining, delays in the confirmation of transactions and, more importantly, continuously growing transaction fees, which are ill-suited to systems in which services may be provided by resource-limited devices and confirmation times and transaction costs should be kept minimal, ideally absent. We focus on a new block-less, fee-less paradigm for distributed ledgers suitable for the WSN, IoT and CPS in which transactions are nodes of a directed acyclic graph, that overcomes the limitations of blockchains for these applications, and where e.g. sensors can be at the same time issuers of transactions and validators of previous transactions. In particular, we present and release open-source a simulation environment that can be easily extended and analysed, and confirms the available results on the performance of the network.
在过去的十年里,像比特币这样的分布式账本和可以自主运行代码的智能合约,无论是在研究兴趣还是在工业和金融应用方面,都出现了指数级的增长。这些在传感器网络和信息物理系统领域找到了自然的应用。然而,区块链的激励架构需要大量的计算资源来挖掘,交易确认的延迟,更重要的是,不断增长的交易费用,这些都不适合由资源有限的设备提供服务的系统,并且确认时间和交易成本应该保持在最低限度,理想情况下不存在。我们专注于适用于WSN, IoT和CPS的分布式账本的新的无块,无费用范式,其中交易是有向无环图的节点,克服了区块链对这些应用程序的限制,例如传感器可以同时是交易的发行者和先前交易的验证者。特别是,我们提出并发布了一个开源的仿真环境,可以很容易地扩展和分析,并确认了网络性能的可用结果。
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引用次数: 22
Mobility Management Architecture in Different RATs Based Network Slicing 基于不同rat的网络切片的移动性管理体系结构
A. Alfoudi, M. Dighriri, Abayomi Otebolaku, R. Pereira, G. Lee
Network slicing is an architectural solution that enables the future 5G network to offer a high data traffic capacity and efficient network connectivity. Moreover, software defined network (SDN) and network functions virtualization (NFV) empower this architecture to visualize the physical network resources. The network slicing identified as a multiple logical network, where each network slice dedicates as an end-to-end network and works independently with other slices on a common physical network resources. Most user devices have more than one smart wireless interfaces to connect to different radio access technologies (RATs) such as WiFi and LTE, thereby network operators utilize this facility to offload mobile data traffic. Therefore, it is important to enable a network slicing to manage different RATs on the same logical network as a way to mitigate the spectrum scarcity problem and enables a slice to control its users' mobility across different access networks. In this paper, we propose a mobility management architecture based network slicing where each slice manages its users across heterogeneous radio access technologies such as WiFi, LTE and 5G networks. In this architecture, each slice has a different mobility demands and these demands are governed by a network slice configuration and service characteristics. Therefore, our mobility management architecture follows a modular approach where each slice has individual module to handle the mobility demands and enforce the slice policy for mobility management. The advantages of applying our proposed architecture include: i) Sharing network resources between different network slices; ii) creating logical platform to unify different RATs resources and allowing all slices to share them; iii) satisfying slice mobility demands.
网络切片是一种架构解决方案,使未来5G网络能够提供高数据流量和高效的网络连接。此外,软件定义网络(SDN)和网络功能虚拟化(NFV)使该架构能够将物理网络资源可视化。网络切片被确定为多个逻辑网络,其中每个网络切片专用于端到端网络,并与公共物理网络资源上的其他切片独立工作。大多数用户设备都有多个智能无线接口来连接到不同的无线接入技术(rat),如WiFi和LTE,因此网络运营商利用这个设施来卸载移动数据流量。因此,使网络切片能够管理同一逻辑网络上的不同rat,作为缓解频谱稀缺问题和使切片能够控制其用户跨不同接入网络的移动性的一种方法非常重要。在本文中,我们提出了一种基于网络切片的移动性管理架构,其中每个切片管理其跨异构无线接入技术(如WiFi, LTE和5G网络)的用户。在这个体系结构中,每个片都有不同的移动性需求,这些需求由网络片配置和服务特征控制。因此,我们的移动性管理体系结构遵循模块化方法,其中每个片都有单独的模块来处理移动性需求并执行用于移动性管理的片策略。应用我们提出的架构的优点包括:i)在不同的网络片之间共享网络资源;ii)创建逻辑平台,统一不同的rat资源,允许各片共享;Iii)满足切片移动需求。
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引用次数: 6
Apply Scikit-Learn in Python to Analyze Driver Behavior Based on OBD Data 在Python中应用Scikit-Learn分析基于OBD数据的驾驶员行为
Chi-Pan Hwang, Mu-Song Chen, Chih-Min Shih, Hsing-Yu Chen, Wen-Kai Liu
The long term accumulated driving information can effectively summarize the specific driver behavior by statistical analysis. In order to widely and chronically collect driving information of drivers, the cloud computing platform is the most suitable mechanism to log the dynamic vehicle information stream from OBD port to build up Big Data for data mining about driver behavior, currently. The research of this paper has focused on the application layer in the cloud computing platform, Python has been adopted to as the main development tool accompanying with the packages of numpy, pandas, and scipy to calculate the kurtosis and skewness in statistics of each driving route, then decision tree classification technique was applied to generate the analyzing knowledge for driver behavior analysis. Finally the driver behavior are summarized from the completed decision tree classifier to defensive, weak defensive, weak aggressive, and aggressive to complete the overall operations.
长期积累的驾驶信息可以通过统计分析有效地总结驾驶员的具体行为。为了广泛、长期地收集驾驶员的驾驶信息,云计算平台是目前最适合从OBD端口记录动态车辆信息流,建立驾驶员行为数据挖掘大数据的机制。本文的研究重点是云计算平台中的应用层,采用Python作为主要开发工具,配合numpy、pandas、scipy等软件包,计算每条行车路线的统计峰度和偏度,然后运用决策树分类技术生成分析知识,用于驾驶员行为分析。最后对驾驶员行为进行总结,从完成决策树分类器到防御、弱防御、弱攻击、攻击完成整体操作。
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引用次数: 17
The Evolution of the Hadoop Distributed File System Hadoop分布式文件系统的演变
Stathis Maneas, Bianca Schroeder
Frameworks for large-scale distributed data processing, such as the Hadoop ecosystem, are at the core of the big data revolution we have experienced over the last decade. In this paper, we conduct an extensive study of the Hadoop Distributed File System (HDFS)'s code evolution. Our study is based on the reports and patch files (patches) available from the official Apache issue tracker (JIRA) and our goal was to make complete use of the entire history of HDFS at the time and the richness of the available data. The purpose of our study is to assist developers in improving the design of similar systems and implementing more solid systems in general. In contrast to prior work, our study covers all reports that have been submitted over HDFS's lifetime, rather than a sampled subset. Additionally, we include all associated patch files that have been verified by the developers of the system and classify the root causes of issues at a finer granularity than prior work, by manually inspecting all 3302 reports over the first nine years, based on a two-level classification scheme that we developed. This allows us to present a different perspective of HDFS, including a focus on the system's evolution over time, as well as a detailed analysis of characteristics that have not been previously studied in detail. These include, for example, the scope and complexity of issues in terms of the size of the patch that fixes it and number of files it affects, the time it takes before an issue is exposed, the time it takes to resolve an issue and how these vary over time. Our results indicate that bug reports constitute the most dominant type, having a continuously increasing rate over time. Moreover, the overall scope and complexity of reports and patch files remain surprisingly stable throughout HDFS' lifetime, despite the significant growth the code base experiences over time. Finally, as part of our work, we created a detailed database that includes all reports and patches, along with the key characteristics we extracted.
大规模分布式数据处理的框架,比如Hadoop生态系统,是我们在过去十年中经历的大数据革命的核心。在本文中,我们对Hadoop分布式文件系统(HDFS)的代码演变进行了广泛的研究。我们的研究是基于官方Apache问题跟踪器(JIRA)提供的报告和补丁文件(patch),我们的目标是完全利用HDFS当时的整个历史和可用数据的丰富性。我们研究的目的是帮助开发人员改进类似系统的设计,并在一般情况下实现更可靠的系统。与之前的工作相比,我们的研究涵盖了HDFS生命周期内提交的所有报告,而不是抽样的子集。此外,我们还包括所有相关的补丁文件,这些文件已被系统开发人员验证,并根据我们开发的两级分类方案,通过手动检查前九年的所有3302份报告,以比以前更精细的粒度对问题的根本原因进行分类。这使我们能够呈现HDFS的不同视角,包括关注系统随时间的演变,以及对以前没有详细研究过的特征的详细分析。这些包括,例如,问题的范围和复杂性,根据修复它的补丁的大小和它影响的文件数量,问题暴露之前所需的时间,解决问题所需的时间以及这些随时间的变化情况。我们的结果表明,bug报告构成了最主要的类型,随着时间的推移,bug报告的比率不断增加。此外,报告和补丁文件的总体范围和复杂性在HDFS的整个生命周期中保持惊人的稳定,尽管代码库随着时间的推移经历了显著的增长。最后,作为我们工作的一部分,我们创建了一个详细的数据库,其中包括所有报告和补丁,以及我们提取的关键特征。
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引用次数: 7
ROCK Algorithm Parallelization with TOREADOR Primitives TOREADOR基元的ROCK算法并行化
B. D. Martino, Salvatore D'Angelo, A. Esposito, Riccardo Cappuzzo, Anderson Santana de Oliveira
We present the benefits of applying the code once deploy everywhere approach to clustering of categorical data over large datasets. The paper brings two main contributions: an step-by step application of the code based approach and an enhancement for the ROCK algorithm for clustering categorical data.
我们介绍了应用代码一次部署无处不在的方法对大型数据集上的分类数据进行聚类的好处。本文带来了两个主要贡献:基于代码的逐步应用方法和对ROCK算法的改进,用于分类数据的聚类。
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引用次数: 1
Drone-Based Vacant Parking Space Detection 基于无人机的空车位探测
Cheng-Fang Peng, J. Hsieh, S. Leu, Chi-Hung Chuang
This paper presents a drone-based method for vacant parking space detection using aerial images. Due to the limited field of view, it is better to use a camera mounted on a drone to monitor a huge parking lot. However, a drone-based camera is not fixed to the ground. Thus, there are many challenges to detect parking spaces and classify their status. To detect parking spaces, the RANSAC scheme is first used to estimate the homography relation between the current captured image and the reference parking space. Then, three novel features are extracted from each park space for occupancy condition judgment, i.e., vehicle color feature, local gray-scale variant feature, and corner feature. A deep NN is then trained to determine the occupancy status of each parking space based on the above three features. The performance of our system is evaluated on varies parking lots under different lighting and weather conditions. The average accuracy can be achieved up to 97%.
提出了一种基于无人机的空车位检测方法。由于视野有限,最好使用安装在无人机上的摄像头来监控一个巨大的停车场。然而,无人机摄像机并不是固定在地面上的。因此,检测停车位并对其状态进行分类存在许多挑战。为了检测停车位,首先使用RANSAC方案估计当前捕获的图像与参考停车位之间的单应性关系。然后,从每个停车场空间中提取三个新的特征,即车辆颜色特征、局部灰度变化特征和角落特征,用于占用条件判断。然后训练深度神经网络,根据上述三个特征确定每个停车位的占用状态。我们的系统在不同的照明和天气条件下对不同的停车场进行了性能评估。平均准确率可达97%。
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引用次数: 29
A Hybrid Bacterial Foraging Tabu Search Heuristic Optimization for Demand Side Management in Smart Grid 基于混合细菌觅食禁忌搜索的智能电网需求侧管理启发式优化
A. Khan, N. Javaid, Z. Iqbal, N. Anwar, A. Saboor, Inzimam ul-Haq, U. Qasim
With the advent of Smart Grid (SG), it provides the consumers with the opportunity to schedule their power consumption load efficiently in such a way that it reduces their energy cost while also minimizing their Peak to Average Ratio (PAR) in the process. We in this paper target the appliances to schedule in such a way that it increases User Comfort (UC) and decreases electricity consumption load which benefits both consumer and utility. In this paper, we proposed hybrid of Bacterial Forging Algorithm (BFA) and Tabu Search (TS) Algorithm using different Operational time Interval (OTI) to schedule appliances while balancing User Comfort which is the main objective of the Demand Side Management (DSM). This paper tries to reduce both waiting time and electricity cost simultaneously in the new hybrid Bacterial Foraging Tabu Search (BFTS) technique. Real time pricing (RTP) scheme was used to get the total cost of electricity consumed. We compared the results of proposed hybrid scheme with Bacterial Forging (BFA) and Tabu Search (TS) Algorithm using different Operational time Interval (OTI). The result shows effectiveness of using hybrid Bacterial Foraging Tabu Search (BFTS) technique for Demand Side Management (DSM).
随着智能电网(SG)的出现,它为用户提供了有效地调度其电力消耗负荷的机会,从而降低了他们的能源成本,同时在此过程中也最小化了他们的峰值平均比(PAR)。在本文中,我们的目标是电器以这样一种方式进行调度,即增加用户舒适度(UC)并减少电力消耗负荷,这对消费者和公用事业都有利。在本文中,我们提出了细菌锻造算法(BFA)和禁忌搜索算法(TS)的混合算法,使用不同的操作时间间隔(OTI)来调度设备,同时平衡用户舒适度,这是需求侧管理(DSM)的主要目标。本文提出了一种新的混合细菌觅食禁忌搜索(BFTS)技术,旨在同时减少等待时间和电力成本。采用实时定价(RTP)方案来获取总耗电量。在不同的操作时间间隔(OTI)下,将所提出的混合方案与细菌锻造(BFA)和禁忌搜索(TS)算法的结果进行了比较。结果表明,混合细菌觅食禁忌搜索(BFTS)技术在需求侧管理(DSM)中的应用是有效的。
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引用次数: 1
Cloud-Based Global Monitoring System for Smart Cities 基于云的智慧城市全球监控系统
Yosra Ben Dhief, Y. Djemaiel, S. Rekhis, N. Boudriga
Within the emergence of smart cities over the world, there is a great need for a set of services that ensure the protection of citizens and cities assets. Several supervisory systems have been deployed everywhere making use of a set of fixed and mobile sensors. Facing the new threats, these systems are unable to ensure the monitoring of large areas that are under the control of different entities which prevent an efficient protection against the malicious activities targeting cities. In this context, this paper proposes a novel cloud-based monitoring system that provides global monitoring services using a set of sensors that are deployed by different supervisory systems, enabling the reconfiguration of sensors according to an efficient scheduling scheme. The efficiency of the proposed model is illustrated through a case study for a camera-based smart city surveillance.
随着世界各地智慧城市的兴起,人们非常需要一套确保公民和城市资产得到保护的服务。利用一套固定的和移动的传感器,已经在各地部署了几个监控系统。面对新的威胁,这些系统无法保证对不同实体控制下的大面积区域进行监控,无法有效防范针对城市的恶意活动。在此背景下,本文提出了一种新的基于云的监控系统,该系统使用由不同监控系统部署的一组传感器提供全球监控服务,使传感器能够根据有效的调度方案进行重新配置。通过一个基于摄像头的智慧城市监控的案例研究说明了该模型的有效性。
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引用次数: 3
Internet of Everything and Machine Learning Applications: Issues and Challenges 万物互联和机器学习应用:问题与挑战
Omid Ameri Sianaki, A. Yousefi, A. R. Tabesh, M. Mahdavi
The Internet of Things (IoT) is recognized as one of the major key areas of future technology and is gaining vast attention from an extensive range of industries. The sensors and devices are generating massive amounts of high-dimensional and heterogeneous data that need to be stored and processed. Machine learning encompasses the widespread techniques of artificial intelligence that can deduce patterns and relationships from unstructured data. Big data analytics are advanced statistical and predictive analytic methods which are capable of manipulating data in a range of Exabytes and more. This paper presents a review of the applications of the Internet of Everything and the machine learning techniques in the fields of health, smart electrical grid, and supply chain management. A review of the literature has been conducted to demonstrate the future issues and challenges that researchers will face.
物联网(IoT)被认为是未来技术的主要关键领域之一,正受到广泛行业的广泛关注。传感器和设备正在生成大量需要存储和处理的高维异构数据。机器学习涵盖了广泛的人工智能技术,可以从非结构化数据中推断出模式和关系。大数据分析是一种先进的统计和预测分析方法,能够处理eb级甚至更多的数据。本文综述了物联网和机器学习技术在健康、智能电网和供应链管理等领域的应用。对文献进行了回顾,以展示研究人员将面临的未来问题和挑战。
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引用次数: 12
An Approach Towards Efficient Scheduling of Home Energy Management System Using Backtracking Search Optimization and Tabu Search 基于回溯搜索优化和禁忌搜索的家庭能源管理系统高效调度方法
Sundas Shafiq, Sikandar Asif, Iqra Fatima, K. Yousaf, Wajiha Safat, N. Javaid
Smart grid is an emerging technology which is successfully implemented by the use of different communication methods. Demand side management (DSM) plays a significant role in the management of load and energy consumption in order to reduce cost in the smart grids. Smart buildings and smart homes are usually considered important for reducing the electricity consumption by home energy management controllers (HEMC). In this paper, an energy management controller (EMC) is proposed with an objective to minimize the energy consumption, curtail load demand, reduce electricity usage and minimize peak to average (PAR) ratio with increased user comfort level. For this purpose, three evolutionary and iterative techniques were proposed as backtracking search optimization algorithm (BSOA), tabu search (TS) and their hybrid as tabu backtracking search optimization (TBSO) algorithm. Simulations were performed in MATLAB by using real time pricing (RTP) tariff for bill calculation. 9 household appliances were scheduled and results proved that our proposed hybrid technique outperforms the remaining two in terms of cost minimization.
智能电网是一种新兴的技术,通过使用不同的通信方式成功实现。在智能电网中,需求侧管理(DSM)在负荷管理和能耗管理中发挥着重要作用,以降低成本。智能建筑和智能家居通常被认为对减少家庭能源管理控制器(HEMC)的电力消耗很重要。本文提出了一种能量管理控制器(EMC),其目标是在提高用户舒适度的同时,最大限度地减少能源消耗,减少负荷需求,减少用电量,并使峰值平均比(PAR)最小化。为此,提出了回溯搜索优化算法(BSOA)、禁忌搜索算法(TS)及其混合算法禁忌回溯搜索优化算法(TBSO)三种进化迭代技术。利用实时定价(RTP)费率计算话费,在MATLAB中进行了仿真。对9台家电进行了调度,结果证明我们提出的混合技术在成本最小化方面优于其余两种。
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引用次数: 5
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2018 32nd International Conference on Advanced Information Networking and Applications Workshops (WAINA)
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