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2017 8th IEEE International Conference on Software Engineering and Service Science (ICSESS)最新文献

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A control-oriented system requirement description language based on directed acyclic graph 一种基于有向无环图的面向控制系统需求描述语言
Weidong Ma, Zhiying Wang
This paper introduces a requirement description language called CosRDL for modeling and analyzing of the time series embedded control systems. The behavior of control system is composed with a set of operations for process the specific events. Designers extract the features of environment and system state to build the CosRDL model. The requirement model and system model of the CosRDL are proposed in the paper. The requirement model of CosRDL is built by directed acyclic graph (DAG) to describe the system behavior. The system model is translated from the requirement model by five tuple elements. Meanwhile, a case study is presented to illustrate our approach to requirement modeling in the development of event-driven control systems.
本文介绍了一种用于时间序列嵌入式控制系统建模和分析的需求描述语言——CosRDL。控制系统的行为由处理特定事件的一组操作组成。设计者提取环境和系统状态的特征来构建CosRDL模型。提出了CosRDL的需求模型和系统模型。采用有向无环图(DAG)建立了cordl的需求模型,描述了系统的行为。系统模型由五个元组元素从需求模型转换而来。同时,给出了一个案例来说明我们在事件驱动控制系统开发中的需求建模方法。
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引用次数: 0
A task allocation method for heterogeneous multi-core system based on genetic algorithm 基于遗传算法的异构多核系统任务分配方法
Juan Fang, Mengxuan Wang, Mingxia Gao, Jianhua Wei
Heterogeneous multi-core platforms are increasingly prevalent due to perceived superior performance over homogeneous systems. In order to maximize performance, each task needs to be mapped to the most appropriate processor. This paper implements a task allocation method based on genetic algorithm. The genetic algorithm is used to sample the application load feature in the task scheduling time slice, and its complicated iterative process is distributed to the following multiple scheduling sampling periods to select the core which complies with its calculation characteristic for each task. Experimental results demonstrate that the algorithm can effectively improve the system performance, compared with the built-in task scheduling mechanism of Linux 2.6 kernel.
异构多核平台越来越普遍,因为它们的性能优于同构系统。为了使性能最大化,每个任务都需要映射到最合适的处理器。本文实现了一种基于遗传算法的任务分配方法。采用遗传算法对任务调度时间片中的应用负载特征进行采样,将其复杂的迭代过程分配到后续多个调度采样周期,为每个任务选择符合其计算特征的核心。实验结果表明,与Linux 2.6内核内置的任务调度机制相比,该算法可以有效地提高系统性能。
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引用次数: 0
Accelerated layout for large-scale network based on quadtree 基于四叉树的大规模网络加速布局
Yao Zhong-hua, Wu Lingda
With the increment of the scale of the network, the task of large-scale network data becomes more difficult. In the process of network drawing, it is difficult to fully reflect its internal structure. This study proposes to model the whole network as a multi-particle simulation system, experiment results show that the proposed method can effectively reduce the time complexity of the network layout algorithm and efficiently show the network structure characteristics.
随着网络规模的增加,大规模网络数据的采集任务变得更加困难。在网络绘制过程中,很难充分反映其内部结构。本研究提出将整个网络建模为一个多粒子仿真系统,实验结果表明,所提出的方法可以有效地降低网络布局算法的时间复杂度,并有效地显示网络结构特征。
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引用次数: 1
Translating TOSCA into docker-compose YAML file using ANTLR 使用ANTLR将TOSCA转换为docker-compose YAML文件
Kitti Klinbua, W. Vatanawood
In recent years, Docker is rapidly a powerful and better efficient deployment environment in software as a service (SaaS) development. Using Docker in a software project could solve many former DevOps problems and increase quality of the project. The Docker-Compose is an official tool that helps manage Docker containers by defining the appropriate SaaS configuration in a docker-compose YAML file. As it is not easy for newbies of Docker to write a docker-compose YAML file due to the complicated parameters of a large compounded services' configurations, the TOCSA diagramming should alternatively provide several service templates which are more practical and adequately descriptive to the common SaaS designers. In this paper, we encourage and provide the SaaS designer a set of predefined TOSCA service templates to configure the target SaaS project. Then, we propose a mean to translate the configured TOSCA diagram into docker-compose YAML file using ANTLR. The resulting docker-compose YAML file could be readily exploited in Docker environment.
近年来,Docker在SaaS (software as a service)开发中迅速成为一个功能强大、效率更高的部署环境。在软件项目中使用Docker可以解决许多以前的DevOps问题,并提高项目质量。Docker- compose是一个官方工具,它通过在Docker- compose YAML文件中定义适当的SaaS配置来帮助管理Docker容器。由于大型复合服务配置的参数复杂,对于Docker新手来说,编写一个由Docker组成的YAML文件并不容易,因此TOCSA图应该提供一些对普通SaaS设计人员更实用和充分描述的服务模板。在本文中,我们鼓励并为SaaS设计人员提供一组预定义的TOSCA服务模板来配置目标SaaS项目。然后,我们提出了一种使用ANTLR将配置的TOSCA图转换为由docker组成的YAML文件的方法。生成的Docker -compose YAML文件可以很容易地在Docker环境中使用。
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引用次数: 6
Discovering knowledge from mobile application users for usability improvement: A fuzzy association rule mining approach 从移动应用程序用户中发现知识以提高可用性:一种模糊关联规则挖掘方法
M. Kabir, Omar A. M. Salem, M. U. Rehman
The usages of mobile application have increased rapidly in recent days. It is also becoming more popular in recent business applications where multiple users are connected through a mobile application to complete the business circle. In this aspect, the demand of quality mobile application is increasing. Usability is the main quality factor for enhancing the quality of application. For this reason, the usability improvement is getting more priority for this kind of application. So, discovering the experiences of the users can lead to improving the usability of mobile application. For this, we introduce Fuzzy Association Rule algorithm (FAR) based on fuzzy association rule mining to discover the experience from the mobile application's users. To validate our approach, we consider a supply change management system where multiple users are linked through the mobile application. In this paper, we examine twelve usability factors that are extracted from ten usability evaluation models to improve the usability. After conducting our experiment, we get knowledge from the users of the mobile application that can be used for the improvement of usability. We get several experiment outcomes and knowledge that can be implemented in practices.
最近几天,移动应用程序的使用迅速增加。在最近的商业应用中,通过移动应用程序连接多个用户以完成商圈,它也变得越来越流行。在这方面,对优质移动应用的需求日益增加。可用性是提高应用程序质量的主要质量因素。由于这个原因,对于这类应用程序来说,可用性改进变得越来越重要。因此,发现用户的体验可以提高移动应用的可用性。为此,我们引入基于模糊关联规则挖掘的模糊关联规则算法(FAR)来发现移动应用程序用户的体验。为了验证我们的方法,我们考虑一个供应变更管理系统,其中多个用户通过移动应用程序链接。本文从10个可用性评估模型中提取了12个可用性因素,并对其进行了检验,以提高可用性。通过我们的实验,我们从移动应用的用户那里得到了可以用来提高可用性的知识。我们得到了一些可以在实践中应用的实验结果和知识。
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引用次数: 5
A performance comparison of two versatile frequency transformation approach in texture image retrieval 两种通用频率变换方法在纹理图像检索中的性能比较
Sawet Somnugpong, Khumphicha Tantisantisom, Phrommate Verapan, Jindaporn Ongate, Kanokwan Khiewwan
This research compares retrieval performance between two frequency based feature against texture image retrieval. The aim is that to study the retrieval behavior by using two well-known frequency based features, which has a tiny differences of decomposition basis between DCT and DFT, this work come up with the assumption that different decomposing method might give different retrieval result. In this experiment, feature extraction performs straightforwardly by transforming grayscale global textural of each image into frequency domain without any pre-processing, then similarity measurement performs by Euclidean distance method. The result shows that DFT outperforms DCT for overall precision and recall.
本研究比较了两种基于频率的特征与纹理图像检索的检索性能。为了研究基于频率的两个众所周知的特征的检索行为,本文提出了不同的分解方法可能会得到不同的检索结果的假设,这两个特征在DCT和DFT的分解基础上存在微小的差异。在本实验中,不进行任何预处理,直接将图像的灰度全局纹理转换到频域进行特征提取,然后采用欧氏距离法进行相似度测量。结果表明,DFT在整体精度和召回率方面优于DCT。
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引用次数: 0
Research on the P2P Sybil attack and the detection mechanism P2P Sybil攻击及其检测机制研究
Qiang Li, Hui Li, Zhongling Wen, Pengfei Yuan
P2P is a full distributed network and Kad is the most popular P2P file-share system. Each node could join and leave dynamically in Kad. The S ybil attack means that any attacker could disguise as a normal node and join in the Kad network arbitrarily. By analyzing Kad protocol and its source codes, we found that Kad has several Sybil vulnerabilities. Based on this analysis, this paper designed a Sybil attack detection algorithm, DetectSybil which could performed well in Kad. It uses cluster algorithm to distinguish Sybil nodes from the whole p2p network. The experiments show that DetectSybil could detect Sybil attacks in Kad network effectively.
P2P是一个完全分布式的网络,Kad是目前最流行的P2P文件共享系统。每个节点都可以在Kad中动态地加入和离开。这种攻击意味着任何攻击者都可以伪装成一个正常的节点,任意地加入到Kad网络中。通过分析Kad协议及其源代码,我们发现Kad存在多个Sybil漏洞。在此基础上,本文设计了一种能够在Kad中表现良好的Sybil攻击检测算法DetectSybil。它使用聚类算法将Sybil节点与整个p2p网络区分开来。实验表明,DetectSybil能够有效地检测到Kad网络中的Sybil攻击。
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引用次数: 5
A method for correcting illumination unevenness of solar image 一种校正太阳像照度不均匀的方法
Xiaona Fu, Kaifan Ji, Yunfei Yang, W. Duan, H. Deng, Xiaoli Zhang
Traditional correction methods can not be used to correct effectively the solar images with uneven illumination, such as the bilinear interpolation method. We adopt an improved algorithm that combine the background fitting method and the mask method. The algorithm consists of the following main steps: segmenting the image, selecting the sampling points, interpolating the sampling points, calculating the mask, correcting the image. By comparing four evaluation indicators of the corrected image, including the information entropy of the image, the mean brightness, the mean variance and the peak signal-to-noise ratio (PSNR), this improved algorithm is proved to be effectively in the solar images with uneven illumination.
传统的校正方法如双线性插值法不能有效地校正光照不均匀的太阳图像。我们采用了一种将背景拟合法和掩模法相结合的改进算法。该算法包括以下几个主要步骤:图像分割、采样点选择、采样点插值、掩码计算、图像校正。通过对校正后图像的信息熵、平均亮度、平均方差和峰值信噪比(PSNR) 4个评价指标的比较,证明了改进算法在光照不均匀的太阳图像中是有效的。
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引用次数: 0
Short-term load forecasting model based on ridgelet neural network optimized by particle swarm optimization algorithm 粒子群算法优化的脊波神经网络短期负荷预测模型
W. Qun, Yingbin Zhang, Xinying Zhu, Youming Qiu, Wang Yize, Zhisheng Zhang
In this paper, the short-term load forecasting model based on ridgelet neural network optimized by the particle swarm optimization algorithm is proposed. The ridgelet neural network is simulated based on the visual cortex of the human brain. Compared with the traditional neural network, the neurons of the ridgelet neural network have directional characteristics, which can receive more dimensional information and have the ability to process higher dimensional data, and can better approximate nonlinear high dimensional functions. The particle swarm optimization algorithm is used to train the ridgelet neural network in this paper. The learning algorithm can not only speed up the convergence of the network, but also greatly reduce the probability of getting into the local minimum in the learning process. Through the simulation using the actual load data of power grid, simulation results show that the proposed model can effectively realize load forecasting and achieve the engineering accuracy requirements.
提出了采用粒子群优化算法优化的基于脊波神经网络的短期负荷预测模型。脊波神经网络是基于人脑视觉皮层进行模拟的。与传统神经网络相比,脊波神经网络的神经元具有方向性特征,可以接收更多的维度信息,具有处理高维数据的能力,能够更好地逼近非线性高维函数。本文采用粒子群优化算法对脊波神经网络进行训练。该学习算法不仅可以加快网络的收敛速度,而且大大降低了学习过程中陷入局部极小值的概率。通过对电网实际负荷数据进行仿真,仿真结果表明,所提出的模型能够有效地实现负荷预测,达到工程精度要求。
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引用次数: 4
Research on big data integration based on Karma modeling 基于Karma建模的大数据集成研究
Wang Xiao, Liu Guoqi, L. Bin
Aiming at the problem of data integration about heterogeneous and large amount of data in big data 4V features, the method of data integration based on Karma modeling is explored, and the data set of literature area is used as an example to verify the method. First of all, analyze specifically part of the literature data sets that are obtained. And then using Protégé ontology modeling tool to build the related domain ontology. Through the Karma modeling tool, the literature data set is mapped to the literature domain ontology and uniformly published as RDF data so that the semantic mapping is achieved, which effectively solve the important problem of multi-source and heterogeneous data. The Karma model that is built and published will be applied to complete big data set for big data integration. Finally, we sum up the results of the practice and address our future works.
针对大数据4V特征中异构、海量数据的数据集成问题,探索了基于Karma建模的数据集成方法,并以文献区数据集为例对该方法进行了验证。首先,对获得的部分文献数据集进行具体分析。然后利用protp - 本体建模工具构建相关的领域本体。通过Karma建模工具,将文献数据集映射到文献领域本体,并作为RDF数据统一发布,实现了语义映射,有效解决了多源异构数据的重要问题。构建并发布的Karma模型将用于完成大数据集,用于大数据集成。最后,对实践成果进行了总结,并对今后的工作进行了展望。
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引用次数: 3
期刊
2017 8th IEEE International Conference on Software Engineering and Service Science (ICSESS)
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