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2017 6th International Conference on Computer Science and Network Technology (ICCSNT)最新文献

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Research on the course discrimination based on multi-classification method and feature selection 基于多分类方法和特征选择的课程识别研究
Pub Date : 2017-10-01 DOI: 10.1109/ICCSNT.2017.8343473
Zheng Yuefeng, Du Huishi, Zhang Guijie, Gan Jing
Exam distinction can only reflect a course of the distinction between students. In order to find the main differentiating courses in the university curriculum, the paper proposes the concept of the course differentiation, focusing on the value of course discrimination, the classification method and the proportion of professional courses in selected courses. In order to obtain the value of course differentiation, a method of combining multi-classification and feature selection is proposed. First of all, the data sources of students' achievement are classified by traditional five-level, N-score, M-classification and unsupervised four methods. Then, using the wrapper feature selection method, the classification accuracy rate and the feature subset of each dataset are calculated by different classifiers. Finally, we found the connotation and extension of the course discrimination. Experiments show that the proposed method can find the maximum value of the course distinction and the corresponding classification method, the proportion of professional courses is much larger than the proportion of public courses. It achieves the curriculum and assessment of the distinction requirements.
考试的区别只能反映一门课程的学生之间的区别。为了找到大学课程中主要的差异化课程,本文提出了课程差异化的概念,重点研究了课程差异化的价值、分类方法和专业课程在选课中的比例。为了获得课程区分的价值,提出了一种多分类与特征选择相结合的方法。首先,对学生成绩的数据源采用传统的五级、N-score、M-classification和无监督四种方法进行分类。然后,使用包装器特征选择方法,通过不同的分类器计算每个数据集的分类准确率和特征子集。最后,我们发现了课程歧视的内涵和外延。实验表明,所提出的方法能够找到最大值的课程区分和相应的分类方法,专业课程所占比例远大于公共性课程所占比例。达到了课程与考核的区分要求。
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引用次数: 0
Global consensus making on multiplex scale-free networks 多路无标度网络的全球共识形成
Pub Date : 2017-10-01 DOI: 10.1109/ICCSNT.2017.8343716
Vu X Nguyen, Gaoxi Xiao
Most individuals, if not all, are active in various social networks. Opinion formation is an outcome of social interactions and information propagation occurring in such social systems. In this paper, we study on opinion formation on multiplex networks composed of two layers, each of which is a scale-free network, with a special focus on global consensus making in such networks. We impose a new rule of pair-wise interactions under inter-layer interplay termed as compromise following which two interacting nodes have a tendency to make a fair compromise in both senses of inter-and intra-layer interplay. It is found that in a duplex network composed of two identical layers, an increase in tolerance range in a layer declines the opinion diversity on the other layer and the two critical confidence bounds for achieving global consensus in both layers follow a one-sum rule; that is, each of the layers reaches a global consensus if the sum of two critical bounds on the two layers is approximately equal to 1, a double of critical bound on a single-layer network. However, in duplex networks of two non-identical layers with layer-layer coupling quantified by a link overlap parameter, the rule does not hold any longer. In this case, due to the larger portion of low-degree nodes in typical scale-free networks, a layer only can reach a complete consensus if its associated tolerance range is as large as nearly 0.5 even when the tolerance range on the other layer is utmost.
大多数人,如果不是全部,都活跃在各种社交网络中。舆论的形成是在这种社会系统中发生的社会互动和信息传播的结果。在本文中,我们研究了由两层组成的多路网络(每层都是一个无标度网络)上的意见形成问题,并特别关注了这种网络中的全局共识形成问题。我们提出了一种新的层间相互作用下的对明智的相互作用规则,称为妥协,在此规则下,两个相互作用的节点在层间和层内相互作用的两种意义上都倾向于做出公平的妥协。研究发现,在由两层相同网络组成的双工网络中,一层容忍范围的增加会降低另一层的意见多样性,两层达成全局共识的两个关键置信区间遵循一和规则;即,如果两层上的两个临界边界之和近似等于1,则每一层都达到全局共识,这是单层网络上临界边界的两倍。然而,在两层不相同的双工网络中,用链路重叠参数量化层与层之间的耦合,该规则不再成立。在这种情况下,由于典型无标度网络中低度节点的比例较大,即使另一层的容差范围最大,但只有当一层的关联容差范围大到接近0.5时,才能达成完全共识。
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引用次数: 0
Research on DICOM file compression and offline storage platform DICOM文件压缩及离线存储平台的研究
Pub Date : 2017-10-01 DOI: 10.1109/ICCSNT.2017.8343753
Wangping Xiong, Jianqiang Du, Bin Nie, Liping Huang, Xian Zhou
Digital Imaging and Communications in Medicine (DICOM) is an industry standard for the delivery of medical images and their information across a variety of devices, which standardizes the format of various medical images and supports both TCP / IP protocols. With the rapid development and popularization of network technology, it is required to communicate with PACS system through medical image browser and display PACS image and related information in medical image browser, so as to realize fast access of DICOM permanent object. This paper focuses on the main content and structure, which is related to DCM4CHEE system, by using PACS system based on message and service-oriented open source, such as DCM4CHEE, for the medical image browser and the server-side interaction. In this paper, DCM4CHEE system uses MYSQL as DICOM database and uses JBOSS as an application server to build a PACS system experiment. According to the basic needs of users and functional requirements, the system is divided into various functional modules, the design of its commonly used sub-system functions, the design of the basic functions of the system, according to the actual needs of research and study to make the overall design of the image file be browsed. The paper chooses Java as the development platform, carries on the inquiry into the image document and carries on the design and realization of it. The system has a good interactive interface, which can greatly enhance the users' experience.
医学数字成像和通信(DICOM)是一个行业标准,用于在各种设备上传输医学图像及其信息,它标准化了各种医学图像的格式,并支持TCP / IP协议。随着网络技术的快速发展和普及,需要通过医学图像浏览器与PACS系统进行通信,并在医学图像浏览器中显示PACS图像及相关信息,从而实现DICOM永久对象的快速访问。本文重点介绍了与DCM4CHEE系统相关的主要内容和结构,利用基于消息和面向服务的开源PACS系统,如DCM4CHEE,进行医学图像浏览器和服务器端交互。本文的DCM4CHEE系统采用MYSQL作为DICOM数据库,JBOSS作为应用服务器来构建PACS系统实验。根据用户的基本需求和功能要求,将系统划分为各个功能模块,对其常用的子系统功能进行设计,对系统的基本功能进行设计,根据实际需要进行调研和学习,做出图像文件浏览的总体设计。本文选择Java作为开发平台,对图像文档进行查询并进行设计与实现。系统具有良好的交互界面,极大地提升了用户的使用体验。
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引用次数: 1
The research of efficient publishing of subscription system 高效出版订阅系统的研究
Pub Date : 2017-10-01 DOI: 10.1109/ICCSNT.2017.8343469
Yan Xiao, Zongmin Cui, Jing Yu, Guangyong Gao, Cai-xue Zhou
This article discusses a system in detail. The design and implementation of an efficient subscription system is based on the PC. In a publishing subscription system, the subscription is represented by a Boolean expression. When the data is published by the master, the data owner publishes an event that corresponds to the data. When the data event matches the subscription Boolean expression, the data is sent to the user who subscribes to the data. Publishers publish data for this operation by using the conjunction index. The matching results are given automatically by the system. The system has a clean interface and simple operation. It is easy to maintain later.
本文详细讨论了一个系统。基于PC机的高效订阅系统的设计与实现。在发布订阅系统中,订阅由布尔表达式表示。当数据由主服务器发布时,数据所有者发布与该数据对应的事件。当数据事件匹配订阅布尔表达式时,将数据发送给订阅该数据的用户。发布者通过使用连接索引发布此操作的数据。系统自动给出匹配结果。该系统界面简洁,操作简单。以后很容易维护。
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引用次数: 0
Discovering latent spatial structured patterns using graph models for scene classification 利用图模型发现潜在的空间结构模式用于场景分类
Pub Date : 2017-10-01 DOI: 10.1109/ICCSNT.2017.8343745
Yuhua Fan
Despite progress in scene recognition tasks such as image classification and attribute detection, computers still be difficult to understand the scenes as a whole. Existing methods often ignore global spatial constructed pattern among different local semantic objects. This paper propose a method for discovering the Latent spatial structured patterns to describe the visual semantic characters of images to improve the performance of scene recognition tasks. Unlike the existing approaches that mainly rely on the discriminant visual feature cues, we learn the latent spatial structured pattern to model the interaction relationships by using the graph models, which consider semantics and their localization information. We first train the pLSA models to obtain the latent semantic topics. Then we construct the graph models to discover the latent spatial structure patterns with combing the character vector and localization cues. Meanwhile, we treat the edge in model as link-affinity matrix to describe the interaction relationships between semantics. The extensive experiments on public datasets have demonstrated that the suggested method can significantly boost the performance of scene classification tasks.
尽管在图像分类和属性检测等场景识别任务方面取得了进展,但计算机仍然难以从整体上理解场景。现有的方法往往忽略了不同局部语义对象之间的全局空间构造模式。本文提出了一种发现潜在空间结构模式的方法来描述图像的视觉语义特征,以提高场景识别任务的性能。与现有的主要依赖于判别性视觉特征线索的方法不同,我们利用考虑语义及其定位信息的图模型,学习潜在的空间结构模式来建模交互关系。我们首先训练pLSA模型来获得潜在的语义主题。然后结合特征向量和定位线索构建图形模型,发现潜在的空间结构模式。同时,我们将模型中的边缘作为链接关联矩阵来描述语义之间的交互关系。在公共数据集上的大量实验表明,该方法可以显著提高场景分类任务的性能。
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引用次数: 0
Research on the overall design scheme of consistency test system 一致性测试系统总体设计方案的研究
Pub Date : 2017-10-01 DOI: 10.1109/ICCSNT.2017.8343680
Songsong Chen, Dezhi Li, Mingyu Dong, Bin Yang, Changli Liu, Yi Sun, Bin Li
As the rapidly expanding of Demand Response and some other intelligent power usage business, the types of related equipment and systems increase sharply. The problem of connectivity between diversified systems needed to be solved urgently, and the vast need of consistency test in domestic was motivated. Started from the bottom logic of consistency test, combined with consistency test model of protocol specified in ISO/IEC-9646, as well as the black box test and some other specific test methods, overall design scheme about consistency test system was presented in this paper, with the characteristics of well universality. Meanwhile, the development tendency about consistency test was analyzed. This paper could provide some references for the consistency test of Demand Response technology field, and play a basic support role in the Demand Response business and some other relevant energy technology fields.
随着需求响应和其他智能用电业务的迅速发展,相关设备和系统的种类急剧增加。多系统间的连通性问题亟待解决,国内对一致性测试的需求巨大。本文从一致性测试的底层逻辑出发,结合ISO/IEC-9646中规定的协议一致性测试模型,以及黑盒测试等一些具体的测试方法,提出了一致性测试系统的总体设计方案,具有较好的通用性。同时,分析了一致性检验的发展趋势。本文可为需求响应技术领域的一致性测试提供一定的参考,并对需求响应业务及其他相关能源技术领域起到基础性支撑作用。
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引用次数: 0
Efficient incremental checkpoint based on hybrid page 基于混合页面的高效增量检查点
Pub Date : 2017-10-01 DOI: 10.1109/ICCSNT.2017.8343683
Ruibo Wang, Wen-zhe Zhang
Modern computer systems are suffering from various failures and are increasingly prone to error. This paper introduces a high efficient incremental checkpoint mechanism for fault tolerance. By leveraging the new hardware support for various page sizes, we make dynamic transformation between different sized pages and thus achieve the best balance of overhead between modification tracking and data dumping in incremental checkpoint. Experiments show that our new checkpoint mechanism could achieve an average speedup of 2.2x with the space overhead of 34% over traditional incremental checkpoint, showing great potential to be widely adopted.
现代计算机系统正遭受各种各样的故障,并且越来越容易出错。本文介绍了一种高效的增量检查点容错机制。通过利用对各种页面大小的新硬件支持,我们可以在不同大小的页面之间进行动态转换,从而在增量检查点中实现修改跟踪和数据转储之间的开销的最佳平衡。实验表明,与传统的增量式检查点相比,我们的新检查点机制可以实现2.2x的平均加速,空间开销为34%,显示出广泛采用的潜力。
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引用次数: 0
Secure performance analysis of a satellite-terrestrial network with multi-eavesdroppers 多窃听器卫星-地面网络安全性能分析
Pub Date : 2017-10-01 DOI: 10.1109/ICCSNT.2017.8343726
K. Guo, Bangning Zhang, D. Guo
In this paper, the secure performance of a satellite terrestrial communication network in shadowed-Rician (SR) channel is investigated, a satellite, a terrestrial destination and multi-single-antenna terrestrial eavesdropper are considered. Co-operating eavesdropper's scheme is used in this paper. Specially, the exact closed-form expressions of the system performance are derived, which provide fast means to evaluate the effect of system parameters on the system performance. Finally, Monte Carlo simulation results are derived to verify the superiority of the correctness of the analytical results, which also demonstrate the effects of various parameters on the secrecy performance of the satellite terrestrial networks.
本文研究了卫星地面通信网在阴影信道中的安全性能,考虑了一个卫星、一个地面目标和多个单天线地面窃听器。本文采用了合作窃听方案。特别地,导出了系统性能的精确封闭表达式,为评价系统参数对系统性能的影响提供了快速的手段。最后,给出了蒙特卡罗仿真结果,验证了分析结果的优越性和正确性,同时也验证了各种参数对卫星地面网络保密性能的影响。
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引用次数: 6
Optimal design and applied research of a trailing suction hopper dredger loading system 耙吸式挖泥船装载系统的优化设计与应用研究
Pub Date : 2017-10-01 DOI: 10.1109/ICCSNT.2017.8343478
Wei Li, Zhen Su, Guojun Hong
In view of the nonlinear characteristics of dynamic model of dredging process, this paper adopts intelligent control algorithm such as pattern search and genetic algorithm to solve optimal control parameters, and obtains the optimal control strategy of dredging efficiency. Based on the combined application of database technology, LabVIEW, network communication and modern control technology, the optimization system of suction hopper dredger loading hopper is constructed. The system can be displayed to operators by man-machine interface, which provides a powerful technical support for the intelligent dredging of trailing suction dredger.
针对疏浚过程动态模型的非线性特点,采用模式搜索、遗传算法等智能控制算法求解最优控制参数,得出疏浚效率的最优控制策略。基于数据库技术、LabVIEW、网络通信和现代控制技术的综合应用,构建了挖泥船吸斗装料斗优化系统。该系统可通过人机界面显示给操作人员,为拖吸式挖泥船的智能化疏浚提供了有力的技术支持。
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引用次数: 0
Hidden information recognition based on multitask convolution neural network 基于多任务卷积神经网络的隐藏信息识别
Pub Date : 2017-10-01 DOI: 10.1109/ICCSNT.2017.8343685
Jiawen Liu, Huimei Yuan, Mingyang Li
With the continuous application of big data technology, machine learning is playing an increasingly important role in enterprise applications. User information, such as gender, age and educational level are the core factors for the research and application in the field of computer psychology, personalized search and social business promotion. This paper proposes a method for automatically inferring user information based on the search terms of users. We establish a multi task convolution neural network model based on word vectors. After the process of data cleaning, user search word segmentation, we use the word2vec to transform words into vector representation, and then build a multi task convolutional neural network model. This model is compared with other models based on word frequency, LDA methods. Experimental results show that our proposed multitasking based convolutional neural network approach works better than other methods.
随着大数据技术的不断应用,机器学习在企业应用中发挥着越来越重要的作用。性别、年龄、文化程度等用户信息是计算机心理学、个性化搜索、社会化商业推广等领域研究与应用的核心因素。提出了一种基于用户搜索词的用户信息自动推断方法。我们建立了一个基于词向量的多任务卷积神经网络模型。经过数据清洗、用户搜索分词等过程后,利用word2vec将词转化为向量表示,然后构建多任务卷积神经网络模型。该模型与其他基于词频、LDA方法的模型进行了比较。实验结果表明,我们提出的基于卷积神经网络的多任务处理方法比其他方法效果更好。
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引用次数: 2
期刊
2017 6th International Conference on Computer Science and Network Technology (ICCSNT)
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