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2021 26th International Computer Conference, Computer Society of Iran (CSICC)最新文献

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A New Disease Candidate Gene Prioritization Method Using Graph Convolutional Networks 一种新的基于图卷积网络的疾病候选基因排序方法
Pub Date : 2021-03-03 DOI: 10.1109/CSICC52343.2021.9420628
S. Azadifar, A. Ahmadi
Identifying disease genes from a large number of candidate genes by laboratory methods is very costly and time consuming, so it is necessary to prioritize disease candidate genes before laboratory work. Recently, many gene prioritization methods have been proposed using various datasets such as gene ontology and protein-protein interaction, which are often based on text mining, machine learning, and random walk methods. Due to the good performance and increasing use of deep graph networks in the representation of graph problems, in this study, a method based on graph convolutional networks has been developed to represent the graph on the protein-protein interaction. The results show that the proposed method is effective and the performance of the proposed method better than other methods in some cases.
通过实验室方法从大量候选基因中鉴定疾病基因是非常昂贵和耗时的,因此在实验室工作之前有必要对疾病候选基因进行优先排序。近年来,利用基因本体和蛋白质-蛋白质相互作用等不同的数据集提出了许多基因优先排序方法,这些方法通常基于文本挖掘、机器学习和随机漫步方法。由于深度图网络在图问题表示中的良好性能和越来越多的应用,本研究提出了一种基于图卷积网络的方法来表示蛋白质-蛋白质相互作用的图。结果表明,该方法是有效的,在某些情况下,该方法的性能优于其他方法。
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引用次数: 1
PERMUTE: Response Time and Energy Aware Virtual Machine Placement for Cloud Data Centers PERMUTE:云数据中心的响应时间和能量感知虚拟机布局
Pub Date : 2021-03-03 DOI: 10.1109/CSICC52343.2021.9420565
Benyamin Eslami, Morteza Biabani, Mohsen Shekarisaz, N. Yazdani
Cloud data centers play a significant role in providing services needed by users in a quick way. Recent studies show that, traffic patterns in data centers have a special importance to be improved, since they have significant effects on various aspects such as congestion, overall energy consumption and service response time. The traffic patterns inside a cloud data center have two categories: North-South and East-West. The former one is the outside-inside and inside-outside traffic, Whereas, the latter is the traffic among Virtual Machines (VMs) within data centers. Previous studies have shown that the East-West traffic pattern is multiple times larger than the North-South one. This leads data centers to experience congestion and packet loss in the core layer of their topology. Common cause of large traffic patterns is that, VMs of service chains are scattered within the data center in different racks, so that, it causes lots of packet injection into the data center. In this paper, we propose a heuristic algorithm to place VMs of a service chain in a closer proximity of each other to improve the East-West traffic pattern by reducing response time of services and also data centers’ overall energy consumption. The simulation results compared to the state-of-the-art method demonstrate about 18% improvement in response time for users’ requests and 10% of total energy consumption reduction in the data center.
云数据中心在快速提供用户所需服务方面发挥着重要作用。最近的研究表明,数据中心的流量模式具有特别重要的改进意义,因为它们对拥塞、总体能耗和服务响应时间等各个方面都有重大影响。云数据中心内部的流量模式分为南北和东西两类。前者是由外到内和由内到外的流量,后者是数据中心内虚拟机之间的流量。以前的研究表明,东西交通格局比南北交通格局大好几倍。这导致数据中心在其拓扑的核心层中经历拥塞和数据包丢失。造成大流量的常见原因是,业务链的虚拟机分散在数据中心内不同的机架上,导致大量的数据包注入数据中心。在本文中,我们提出了一种启发式算法,通过减少服务响应时间和数据中心的总体能耗,将服务链上的虚拟机放置在彼此更接近的位置,以改善东西流量模式。与最先进的方法相比,仿真结果表明,用户请求的响应时间提高了18%,数据中心的总能耗降低了10%。
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引用次数: 1
Ranking Synthetic Features for Generative Zero-Shot Learning 生成式零射击学习的综合特征排序
Pub Date : 2021-03-03 DOI: 10.1109/CSICC52343.2021.9420574
Shayan Ramazi, A. Nadian-Ghomsheh
Zero-Shot Learning (ZSL) is an emerging learning paradigm that addresses the problem of recognizing unseen classes during training. Several studies have shown ZSL can be improved using synthetic samples of unseen classes, usually generated with a GAN and conditioned on some high- level descriptions of the desired class. This paper proposes a new generative adversarial network architecture to improve synthetic feature generation by applying a ranking step at training time. We combined two classifiers' results at the zeroshot classification step to ensure improved classification accuracy. Then we evaluated the proposed architecture using the widely used dataset AWA. Our results show an improvement of classification accuracy of 2.3% in ZSL setting and 0.15% in GZSL setting compared to the state-of-the-art.
零射击学习(Zero-Shot Learning, ZSL)是一种新兴的学习范式,它解决了在训练过程中识别未见类的问题。几项研究表明,ZSL可以使用未见类的合成样品来改进,这些样品通常由GAN生成,并以期望类的一些高级描述为条件。本文提出了一种新的生成式对抗网络结构,通过在训练时采用排序步骤来改进合成特征的生成。在零差分类步骤中,我们将两个分类器的结果结合起来,以确保提高分类精度。然后,我们使用广泛使用的数据集AWA来评估所提出的体系结构。我们的结果表明,与最先进的分类精度相比,ZSL设置的分类精度提高了2.3%,GZSL设置的分类精度提高了0.15%。
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引用次数: 1
Identity Recognition based on Convolutional Neural Networks Using Gait Data 基于卷积神经网络的步态数据身份识别
Pub Date : 2021-03-03 DOI: 10.1109/CSICC52343.2021.9420585
F. Faraji, F. Lotfi, M. Majdolhosseini, M. Jafarian, H. Taghirad
As a critical part of any security system, identity recognition has become paramount among researchers. In this regard, several methods are presented while considering various sensors and data. In particular, gait data yields rich information about a person, including some exclusive moving patterns which can be utilized to distinguish between different individuals. On the other hand, convolutional neural networks are proved to be applicable for structured data, especially images. In this article, 12 markers are considered in gathering the gait data, each representing a lower-body joint location. Then, utilizing the gait data in a 2D tensor form, three different convolutional neural networks are trained to recognize the identities. Taking light architectures into account, this approach is implementable in realtime application. The obtained result shows the promising capability of the proposed method being used in identity recognition.
身份识别作为安全系统的重要组成部分,已成为研究人员关注的焦点。在这方面,在考虑各种传感器和数据的情况下,提出了几种方法。特别是,步态数据产生了关于一个人的丰富信息,包括一些可以用来区分不同个体的独特运动模式。另一方面,卷积神经网络被证明适用于结构化数据,特别是图像。在本文中,在收集步态数据时考虑了12个标记,每个标记代表一个下半身关节位置。然后,利用二维张量形式的步态数据,训练三种不同的卷积神经网络来识别身份。考虑到轻架构,这种方法在实时应用中是可行的。结果表明,该方法在身份识别中具有良好的应用前景。
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引用次数: 0
Intelligent Control of Urban Intersection Traffic Light Based on Reinforcement Learning Algorithm 基于强化学习算法的城市交叉口红绿灯智能控制
Pub Date : 2021-03-03 DOI: 10.1109/CSICC52343.2021.9420622
Moein Raeisi, Amir Soltany Mahboob
The increasing number of vehicles, followed by traffic congestion, has posed a great challenge to the optimal control of traffic for human societies. Therefore, in order to achieve sustainable development in the field of integrated urban management, control of transportation networks is inevitable. The proper method for optimal traffic control should certainly be adaptable in order to be able to manage urban traffic that has a dynamic, complex and changeable nature. In this regard, the method of reinforcement learning that does not require a mathematical model of the environment is very important. In this paper, an intelligent method for controlling urban traffic based on reinforcement learning is presented in which a 4-way intersection is modeled with two different scenarios for low and high traffic congestion. The results obtained after repeated experiments of implementing the proposed method and also its improved model on the mentioned intersection show that the amount of travel time delay has been reduced compared to the usual fixed time methods. After comparing with the two fixed time methods, the waiting time of vehicles at the intersection is 15% and 86% improved for the scenario with low and high traffic congestion respectively, compared to the first method and 37% and 16% compared to the second method.
随着车辆数量的不断增加,随之而来的是交通拥堵,这对人类社会的交通优化控制提出了巨大的挑战。因此,为了在城市综合管理领域实现可持续发展,对交通网络的控制是必然的。为了更好地管理具有动态性、复杂性和多变性的城市交通,最优交通控制方法必须具有一定的适应性。在这方面,不需要环境数学模型的强化学习方法是非常重要的。本文提出了一种基于强化学习的城市交通智能控制方法,该方法将一个四路交叉口分为低拥堵和高拥堵两种不同的场景进行建模。对该方法及其改进模型在上述交叉口上的反复实验结果表明,与常规的固定时间方法相比,该方法减少了交通延误量。对比两种固定时间方法,低拥堵和高拥堵场景下交叉口车辆等待时间分别比第一种方法提高15%和86%,比第二种方法提高37%和16%。
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引用次数: 0
Effective synthetic data generation for fake user detection 有效合成数据生成假用户检测
Pub Date : 2021-03-03 DOI: 10.1109/CSICC52343.2021.9420570
Arefeh Esmaili, Saeed Farzi
Nowadays, with the pervasiveness of social networks among the people, the possibility of publishing incorrect information has increased more than before. Therefore, detecting fake news and users who publish this incorrect information is of great importance. This paper has proposed a system based on combining context-user and context-network features with the help of a conditional generative adversarial network for balancing the data set to detect users who publish incorrect information in the Persian language on Twitter. Moreover, by conducting numerous experiments, the proposed system in terms of evaluation metrics compared to its competitors, has produced good performance results in detecting fake users.
如今,随着社交网络在人们中的普及,发布不正确信息的可能性比以前增加了。因此,检测假新闻和发布这些错误信息的用户是非常重要的。本文提出了一种基于上下文用户和上下文网络特征相结合的系统,借助条件生成对抗网络来平衡数据集,以检测在Twitter上用波斯语发布错误信息的用户。此外,通过进行大量实验,所提出的系统在评估指标方面与竞争对手相比,在检测虚假用户方面产生了良好的性能结果。
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引用次数: 4
Fuzzy Optimal Control Approach in Low-Thrust Orbit Transfer Problem 低推力轨道转移问题的模糊最优控制方法
Pub Date : 2021-03-03 DOI: 10.1109/CSICC52343.2021.9420576
A. Razavi, A. Kosari
In this paper, the optimal low thrust planar orbit transfer problem is solved utilizing a fuzzy optimal control algorithm. Firstly, dynamic equations are presented in a discretized form, then all the design variables and constraints are transformed to fuzzy space, while minimizing the performance index and also satisfying transversallity conditions. Applying the concept of membership functions based on expert experience, the designed cost function associated with operational constraints are transformed to fuzzy relations through specific membership functions. Applying Bellman-Zadeh approach, the optimal control problem can be converted to a parameter optimization. Combining the performance index and problem’s constraints in a scalar function, necessary optimality conditions are achieved in a form of nonlinear algebraic equations. Finally, to solve this set of equations, the gradient-based method is used. In comparison with the exact form of the problem, the efficiency of the proposed algorithm is highlighted in terms of time and accuracy. In the fuzzy optimal control, a control designer could take advantage of determining the allowed limit for cost function. This algorithm could be successfully extended to fixed state or fixed control problems which is time-consuming in scope of the classical optimal control.
本文采用模糊最优控制算法求解低推力平面轨道最优转移问题。首先将动力学方程离散化,然后将所有设计变量和约束转化为模糊空间,同时使性能指标最小化并满足横向条件。应用基于专家经验的隶属度函数概念,通过特定的隶属度函数将与操作约束相关的设计成本函数转化为模糊关系。利用Bellman-Zadeh方法,将最优控制问题转化为参数优化问题。将性能指标与问题约束结合在标量函数中,以非线性代数方程的形式得到了必要的最优性条件。最后,采用基于梯度的方法求解该方程组。与问题的精确形式相比,该算法在时间和精度方面的效率得到了突出的体现。在模糊最优控制中,控制设计者可以利用确定代价函数的允许极限。该算法可以成功地推广到经典最优控制中耗时较长的固定状态或固定控制问题。
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引用次数: 1
Analysis of incentive mechanism in Repchain Repchain的激励机制分析
Pub Date : 2021-03-03 DOI: 10.1109/CSICC52343.2021.9420606
M. Hemati, M. Shajari
In recent years, the blockchain that is the basis of Bitcoin has received much attention. However, the blockchain also faces many challenges, such as security and scalability, which have been the subject of recent researches. Much work has been done to solve the scalability problem in blockchain; one of these methods is sharding. This method is based on dividing the network into different groups and validating transactions in parallel. These methods use traditional consensus algorithms. One of the problems in this regard is the incentive that should be provided for nodes to participate in these consensus algorithms. In this paper, Repchain, one of the existing methods in this field, is examined, and the problems that this method has is analyzed. Next, it is proved that the proposed method causes the network nodes not to follow the protocol and also causes collusion between network nodes.
近年来,作为比特币基础的区块链备受关注。然而,区块链也面临着许多挑战,例如安全性和可扩展性,这是最近研究的主题。为了解决区块链中的可扩展性问题,已经做了很多工作;其中一种方法是分片。该方法基于将网络划分为不同的组并并行验证事务。这些方法使用传统的共识算法。这方面的问题之一是应该为节点参与这些共识算法提供激励。本文对该领域现有的一种方法Repchain进行了研究,并分析了该方法存在的问题。其次,证明了该方法会导致网络节点不遵循协议,也会导致网络节点之间的合谋。
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引用次数: 1
A Digital Maturity Model for digital banking revolution for Iranian banks 伊朗银行数字银行革命的数字成熟度模型
Pub Date : 2021-03-03 DOI: 10.1109/CSICC52343.2021.9420566
Faezeh Goumeh, A. Barforoush
A wide range of industries is facing a fundamental change: digital transformation. The banking industry is no exception. However, despite such transformation being underway, there is a lack of frameworks and tools to help banking providers navigate such radical change. This article presents a new framework: the digital maturity model for digital banking providers. The model aims to offer a structured view of digital transformation specific to the context and challenges of digital banking. That can be used as a standard to help digital Banking providers benchmark themselves against peers or themselves as they advance their transformation. This article begins with a review of digital banking. A new definition of digital banking was introduced. Digital transformation and digital maturity, and after that, the previous models were investigated. And finally, a new model specific to digital banking in Iran.
许多行业正面临着一场根本性的变革:数字化转型。银行业也不例外。然而,尽管这种转变正在进行中,但缺乏框架和工具来帮助银行提供商应对这种激进的变化。本文提出了一个新的框架:数字银行供应商的数字成熟度模型。该模型旨在针对数字银行的背景和挑战提供数字化转型的结构化视图。这可以作为一种标准,帮助数字银行提供商在推进转型的过程中,将自己与同行或自己进行比较。本文首先对数字银行进行回顾。介绍了数字银行的新定义。在数字化转型和数字化成熟之后,对之前的模型进行了研究。最后是伊朗数字银行的新模式。
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引用次数: 4
A Novel Method for Detecting Fake news: Deep Learning Based on Propagation Path Concept 一种新的假新闻检测方法:基于传播路径概念的深度学习
Pub Date : 2021-03-03 DOI: 10.1109/CSICC52343.2021.9420601
F. Torgheh, M. Keyvanpour, B. Masoumi, S. V. Shojaedini
In the modern world, social media are extensively used for the purpose of communication, business and education. Although ease of use and simple accessibility to social media has expanded their applications, but unfortunately, they are associated with potential dangers which may negatively influence users. As main item, the publication of fake news can negatively affect various aspects of life (political, social, economic, etc.), therefore researchers have studied various methods to address the fake news detection. One way to check and detect fake news is to use the available features in news propagation path, news publisher and users. In this paper, an attempt has been made to investigate fake news detection based on these features and a proposed deep neural network model.
在现代世界,社交媒体被广泛用于交流、商业和教育。虽然社交媒体的易用性和简单可访问性扩大了它们的应用范围,但不幸的是,它们与可能对用户产生负面影响的潜在危险相关联。作为主要项目,假新闻的发布会对生活的各个方面(政治,社会,经济等)产生负面影响,因此研究人员研究了各种方法来解决假新闻检测问题。检查和检测假新闻的一种方法是利用新闻传播路径、新闻发布者和用户的可用特征。本文尝试基于这些特征和提出的深度神经网络模型来研究假新闻检测。
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引用次数: 2
期刊
2021 26th International Computer Conference, Computer Society of Iran (CSICC)
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