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International Journal of Informatics and Communication Technology (IJ-ICT)最新文献

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Efficient datamining model for prediction of chronic kidney disease using wrapper methods 基于包装法的慢性肾脏疾病预测的高效数据挖掘模型
Pub Date : 2019-04-20 DOI: 10.11591/IJICT.V8I2.PP63-70
A. Ramaswamyreddy, S. Shivaprasad, K. V. Rangarao, A. Saranya
In the present generation, majority of the people are highly affected by kidney diseases. Among them, chronic kidney is the most common life threatening disease which can be prevented by early detection. Histological grade in chronic kidney disease provides clinically important prognostic information. Therefore, machine learning techniques are applied on the information collected from previously diagnosed patients in order to discover the knowledge and patterns for making precise predictions. A large number of features exist in the raw data in which some may cause low information and error; hence feature selection techniques can be used to retrieve useful subset of features and to improve the computation performance. In this manuscript we use a set of Filter, Wrapper methods followed by Bagging and Boosting models with parameter tuning technique to classify chronic kidney disease. The capability of Bagging and Boosting classifiers are compared and the best ensemble classifier which attains high stability with better promising results is identified.
在这一代人中,大多数人都受到肾脏疾病的严重影响。其中,慢性肾脏病是最常见的危及生命的疾病,可通过早期发现加以预防。慢性肾脏疾病的组织学分级提供了重要的临床预后信息。因此,机器学习技术应用于从先前诊断的患者收集的信息,以发现做出精确预测的知识和模式。原始数据中存在着大量的特征,其中一些特征可能会造成低信息量和误差;因此,特征选择技术可以用来检索有用的特征子集,从而提高计算性能。在本文中,我们使用一组Filter, Wrapper方法,然后是Bagging和Boosting模型,并结合参数整定技术对慢性肾脏疾病进行分类。比较了Bagging分类器和Boosting分类器的性能,确定了稳定性高、效果好的最佳集成分类器。
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引用次数: 7
Tailored flower pollination (TFP) algorithm for diminution of real power loss 减少实际功率损失的定制花授粉算法
Pub Date : 2019-04-20 DOI: 10.11591/IJICT.V8I2.PP%P
Dr.Lenin Kanagasabai
In this paper, Tailored Flower Pollination (TFP) algorithm is proposed to solve the optimal reactive power problem. Comprising of the elements of chaos theory, Shuffled frog leaping search and Levy Flight, the performance of the flower pollination algorithm has been improved. Proposed TFP algorithm has been tested in standard IEEE 118 & practical 191 bus test systems and simulation results show clearly the better performance of the proposed algorithm in reducing the real power loss.
本文提出了一种定制花授粉(TFP)算法来解决最优无功问题。结合混沌理论、shuffle青蛙跳跃搜索和Levy飞行理论,提高了传粉算法的性能。本文提出的TFP算法在标准IEEE 118和实用的191总线测试系统上进行了测试,仿真结果表明该算法在降低实际功率损耗方面具有较好的性能。
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引用次数: 2
Recent trends in big data using hadoop 使用hadoop的大数据的最新趋势
Pub Date : 2019-04-01 DOI: 10.11591/IJICT.V8I1.PP39-49
Chetna Kaushal, D. Koundal
Big data refers to huge set of data which is very common these days due to the increase of internet utilities. Data generated from social media is a very common example for the same. This paper depicts the summary on big data and ways in which it has been utilized in all aspects. Data mining is radically a mode of deriving the indispensable knowledge from extensively vast fractions of data which is quite challenging to be interpreted by conventional methods. The paper mainly focuses on the issues related to the clustering techniques in big data. For the classification purpose of the big data, the existing classification algorithms are concisely acknowledged and after that, k-nearest neighbor algorithm is discreetly chosen among them and described along with an example. 
大数据是指庞大的数据集,由于互联网公用事业的增加,这些数据集非常普遍。社交媒体产生的数据就是一个很常见的例子。本文对大数据进行了概述,并介绍了大数据在各个方面的应用。数据挖掘从根本上是一种从大量数据中获取必要知识的模式,这些数据对传统方法来说是相当具有挑战性的。本文主要研究大数据中聚类技术的相关问题。为了对大数据进行分类,对现有的分类算法进行了简要的介绍,然后在其中谨慎地选择了k近邻算法,并结合实例进行了描述。
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引用次数: 6
Randomized scheduling algorithm for virtual output queuing switch at the presence of non-uniform traffic 非均匀流量下虚拟输出排队交换机的随机调度算法
Pub Date : 2019-04-01 DOI: 10.11591/IJICT.V8I1.PP50-55
A. Ghiasian, Majid Jamali
Virtual Output Queuing (VOQ) is a well-known queuing discipline in data switch architecture that eliminates Head Of Line (HOL) blocking issue. In VOQ scheme, for each output port, a separate FIFO is maintained by each input port. Consequently, a scheduling algorithm is required to determine the order of service to virtual queues at each time slot. Maximum Weight Matching (MWM) is a well-known scheduling algorithm that achieves the entire throughput region. Despite of outstanding attainable throughput, high complexity of MWM makes it an impractical algorithm for implementation in high-speed switches. To overcome this challenge, a number of randomized algorithms have been proposed in the literature. But they commonly perform poorly when input traffic does not uniformly select output ports. In this paper, we propose two randomized algorithms that outperform the well-known formerly proposed solutions. We exploit a method to keep a parametric number of heavy edges from the last time matching and mix it by randomly generated matching to produce a new schedule. Simulation results confirm the superior performance of the proposed algorithms.
虚拟输出排队(VOQ)是数据交换体系结构中一个著名的排队规则,它消除了排队头阻塞问题。在VOQ方案中,对于每个输出端口,每个输入端口维护一个单独的FIFO。因此,需要一种调度算法来确定每个时隙对虚拟队列的服务顺序。最大权重匹配(MWM)是一种实现整个吞吐量区域的调度算法。尽管可以实现出色的吞吐量,但MWM算法的高复杂性使其不适合在高速交换机中实现。为了克服这一挑战,文献中提出了许多随机算法。但是,当输入流量没有统一地选择输出端口时,它们通常表现不佳。在本文中,我们提出了两种随机算法,其性能优于先前提出的众所周知的解决方案。我们提出了一种方法,从上次匹配中保留一个参数数量的重边,并通过随机生成的匹配将其混合以产生一个新的调度。仿真结果验证了所提算法的优越性能。
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引用次数: 1
Security in wireless sensor networks 无线传感器网络的安全性
Pub Date : 2019-04-01 DOI: 10.11591/IJICT.V8I1.PP13-18
Bahae Abidi, A. Jilbab, M. Haziti
Even in difficult places to reach, the new networking technique allows the easy deployment of sensor networks, although these wireless sensor networks confront a lot of constraints. The major constraint is related to the quality of information sent by the network. The wireless sensor networks use different methods to achieve data to the base station. Data aggregation is an important one, used by these wireless sensor networks. But this aggregated data can be subject to several types of attacks and provides security is necessary to resist against malicious attacks, secure communication between severely resource constrained sensor nodes while maintaining the flexibility of the topology changes. Recently, several secure data aggregation schemes have been proposed for wireless sensor networks, it provides better security compared with traditional aggregation. In this paper, we try to focus on giving a brief statement of the various approaches used for the purpose of secure data aggregation in wireless sensor networks.
即使在难以到达的地方,新的网络技术也可以轻松部署传感器网络,尽管这些无线传感器网络面临许多限制。主要的制约因素与网络发送的信息质量有关。无线传感器网络使用不同的方法来实现对基站的数据传输。在这些无线传感器网络中,数据聚合是一种重要的技术。但是这种聚合的数据可能会受到几种类型的攻击,并且提供必要的安全性来抵御恶意攻击,保护资源严重受限的传感器节点之间的通信,同时保持拓扑更改的灵活性。近年来,针对无线传感器网络提出了几种安全的数据聚合方案,与传统的聚合相比,它提供了更好的安全性。在本文中,我们试图集中在给出用于无线传感器网络中安全数据聚合目的的各种方法的简要陈述。
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引用次数: 0
Enabling social WEB for IoT inducing ontologies from social tagging 通过社交标签为物联网诱导本体启用社交WEB
Pub Date : 2019-04-01 DOI: 10.11591/IJICT.V8I1.PP19-24
Mohammed Alruqimi, N. Aknin
Semantic domain ontologies are increasingly seen as the key for enabling interoperability across heterogeneous systems and sensor-based applications. The ontologies deployed in these systems and applications are developed by restricted groups of domain experts and not by semantic web experts. Lately, folksonomies are increasingly exploited in developing ontologies. The “collective intelligence”, which emerge from collaborative tagging can be seen as an alternative for the current effort at semantic web ontologies. However, the uncontrolled nature of social tagging systems leads to many kinds of noisy annotations, such as misspellings, imprecision and ambiguity. Thus, the construction of formal ontologies from social tagging data remains a real challenge. Most of researches have focused on how to discover relatedness between tags rather than producing ontologies, much less domain ontologies. This paper proposed an algorithm that utilises tags in social tagging systems to automatically generate up-to-date specific-domain ontologies. The evaluation of the algorithm, using a dataset extracted from BibSonomy, demonstrated that the algorithm could effectively learn a domain terminology, and identify more meaningful semantic information for the domain terminology. Furthermore, the proposed algorithm introduced a simple and effective method for disambiguating tags.Semantic domain ontologies are increasingly seen as the key for enabling interoperability across heterogeneous systems and sensor-based applications. The ontologies deployed in these systems and applications are developed by restricted groups of domain experts and not by semantic web experts. Lately, folksonomies are increasingly exploited in developing ontologies. The “collective intelligence”, which emerge from collaborative tagging can be seen as an alternative for the current effort at semantic web ontologies. However, the uncontrolled nature of social tagging systems leads to many kinds of noisy annotations, such as misspellings, imprecision and ambiguity. Thus, the construction of formal ontologies from social tagging data remains a real challenge. Most of researches have focused on how to discover relatedness between tags rather than producing ontologies, much less domain ontologies. This paper proposed an algorithm that utilises tags in social tagging systems to automatically generate up-to-date specific-domain ontologies. The evaluation of the algorithm, using a dataset extracted from BibSonomy, demonstrated that the algorithm could effectively learn a domain terminology, and identify more meaningful semantic information for the domain terminology. Furthermore, the proposed algorithm introduced a simple and effective method for disambiguating tags.
语义领域本体越来越被视为跨异构系统和基于传感器的应用程序实现互操作性的关键。部署在这些系统和应用程序中的本体是由有限的领域专家小组开发的,而不是由语义web专家开发的。最近,大众分类法越来越多地用于开发本体论。协作标签产生的“集体智慧”可以看作是当前语义网络本体的另一种选择。然而,社会标签系统的不可控特性导致了各种各样的嘈杂注释,如拼写错误、不精确和歧义。因此,从社会标签数据构建形式化本体仍然是一个真正的挑战。大多数的研究都集中在如何发现标签之间的相关性,而不是产生本体,更不用说产生领域本体。本文提出了一种利用社会标签系统中的标签自动生成最新的特定领域本体的算法。利用BibSonomy提取的数据集对算法进行了评价,结果表明该算法能够有效地学习领域术语,并为领域术语识别出更多有意义的语义信息。此外,该算法还引入了一种简单有效的标签消歧方法。语义领域本体越来越被视为跨异构系统和基于传感器的应用程序实现互操作性的关键。部署在这些系统和应用程序中的本体是由有限的领域专家小组开发的,而不是由语义web专家开发的。最近,大众分类法越来越多地用于开发本体论。协作标签产生的“集体智慧”可以看作是当前语义网络本体的另一种选择。然而,社会标签系统的不可控特性导致了各种各样的嘈杂注释,如拼写错误、不精确和歧义。因此,从社会标签数据构建形式化本体仍然是一个真正的挑战。大多数的研究都集中在如何发现标签之间的相关性,而不是产生本体,更不用说产生领域本体。本文提出了一种利用社会标签系统中的标签自动生成最新的特定领域本体的算法。利用BibSonomy提取的数据集对算法进行了评价,结果表明该算法能够有效地学习领域术语,并为领域术语识别出更多有意义的语义信息。此外,该算法还引入了一种简单有效的标签消歧方法。
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引用次数: 1
A survey of arabic text classification models 阿拉伯语文本分类模型综述
Pub Date : 2019-04-01 DOI: 10.11591/IJICT.V8I1.PP25-28
Ahed M. F. Al Sbou
There is a huge content of Arabic text available over online that requires an organization of these texts. As result, here are many applications of natural languages processing (NLP) that concerns with text organization. One of the is text classification (TC). TC helps to make dealing with unorganized text. However, it is easier to classify them into suitable class or labels. This paper is a survey of Arabic text classification. Also, it presents comparison among different methods in the classification of Arabic texts, where Arabic text is represented a complex text due to its vocabularies. Arabic language is one of the richest languages in the world, where it has many linguistic bases. The research in Arabic language processing is very few compared to English. As a result, these problems represent challenges in the classification, and organization of specific Arabic text. Text classification (TC) helps to access the most documents, or information that has already classified into specific classes, or categories to one or more classes or categories. In addition, classification of documents facilitate search engine to decrease the amount of document to, and then to become easier to search and matching with queries.
网上有大量的阿拉伯语文本,需要对这些文本进行组织。因此,这里有许多与文本组织有关的自然语言处理(NLP)应用。其中之一是文本分类(TC)。TC有助于处理无组织的文本。然而,将它们分类到合适的类别或标签更容易。本文是对阿拉伯语文本分类研究的综述。同时,比较了阿拉伯文本分类的不同方法,其中阿拉伯文本由于其词汇量而被表示为一个复杂的文本。阿拉伯语是世界上最丰富的语言之一,它有许多语言基础。与英语相比,阿拉伯语的语言处理研究很少。因此,这些问题对具体阿拉伯文本的分类和组织提出了挑战。文本分类(TC)有助于访问大多数已经分类为特定类或类别的文档或信息,或将其分类为一个或多个类或类别。此外,文档分类有助于搜索引擎减少文档的数量,从而使搜索和匹配查询变得更加容易。
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引用次数: 16
A novel sketch-based 3D model retrieval approach based on skeleton 一种基于骨架的基于草图的三维模型检索方法
Pub Date : 2019-04-01 DOI: 10.11591/IJICT.V8I1.PP1-12
Jing Zhang, Baosheng Kang, Bo Jiang, Di Zhang
Since the skeleton represents the topology structure of the query sketch and 2D views of 3D model, this paper proposes a novel sketch-based 3D model retrieval algorithm which utilizes skeleton characteristics as the features to describe the object shape. Firstly, we propose advanced skeleton strength map (ASSM) algorithm to create the skeleton which computes the skeleton strength map by isotropic diffusion on the gradient vector field, selects critical points from the skeleton strength map and connects them by Kruskal's algorithm. Then, we propose histogram feature comparison algorithm which adopts the radii of the disks at skeleton points and the lengths of skeleton branches to extract the histogram feature, and compare the similarity between two skeletons using the histogram feature matrix of skeleton endpoints. Experiment results demonstrate that our approach which combines these two algorithms significantly outperforms several leading sketch-based retrieval approaches.
由于骨架代表了查询草图的拓扑结构和三维模型的二维视图,本文提出了一种新的基于草图的三维模型检索算法,该算法利用骨架特征作为描述对象形状的特征。首先,我们提出了一种先进的骨架强度图(ASSM)算法,该算法通过梯度向量场上的各向同性扩散计算骨架强度图,并从骨架强度图中选择关键点,通过Kruskal算法将它们连接起来。然后,我们提出了直方图特征比较算法,该算法采用骨架点处磁盘的半径和骨架分支的长度来提取直方图特征,并利用骨架端点的直方图特征矩阵来比较两个骨架之间的相似性。实验结果表明,我们的方法结合了这两种算法,显著优于几种领先的基于草图的检索方法。
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引用次数: 2
A new complexity reduction methods of V-BLAST MIMO system in a communication channel 一种新的通信信道V-BLAST MIMO系统复杂度降低方法
Pub Date : 2019-04-01 DOI: 10.11591/IJICT.V8I1.PP29-38
Sunita Panda, R. Samantaray, P. Mohapatra, R. N. Panda, P. Sahu
To design most reliable wireless communication system we need an efficient method which can be proposed in this paper is V-BLAST technique which is most powerful tool in MIMO system. To improve the channel capacity and data rate efficiently we need manifold antennas together with the transmitter and receiver. In this paper we have analyzed different equalizers performance using V-BLAST algorithm. We have proposed two methods i.e. low complexity QR algorithm and another is consecutive iterations reduction method. This methods compare with traditional finding methods such as ZF, MMSE, SIC and ML. The proposed algorithm shows that it not only reduce the computational complexity but we can achieve significant bit error rate (BER) and probability error compared to traditional VBLAST techniques.
为了设计最可靠的无线通信系统,需要一种有效的方法,本文提出的V-BLAST技术是MIMO系统中最强大的工具。为了有效地提高信道容量和数据速率,我们需要多路天线配合发送端和接收端。本文分析了使用V-BLAST算法的不同均衡器的性能。我们提出了两种方法,即低复杂度QR算法和连续迭代约简法。该算法与传统的ZF、MMSE、SIC和ML等查找方法进行了比较,结果表明,与传统的VBLAST技术相比,该算法不仅降低了计算复杂度,而且可以实现显著的误码率(BER)和概率误差。
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引用次数: 4
What universities in the Middle East can learn from the American online education system 中东的大学可以从美国的在线教育系统中学到什么
Pub Date : 2019-03-01 DOI: 10.11591/ijict.v9i1.pp31-39
Mahmoud Al-Odeh
In this paper, the author provides insights and lessons that can be learned from colleagues at American universities about their online education experiences. The literature review and previous studies of online educations gains are explored and summarized in this research. Emerging trends in online education are discussed in detail, and strategies to implement these trends are explained. The author provides several tools and strategies that enable universities to ensure the quality of online education. At the end of this research paper, the researcher provides examples from Arab universities who have successfully implemented online education and expanded their impact on the society. This research provides a strategy and a model that can be used by universities in the Middle East as a roadmap to implement online education in their regions.
在本文中,作者提供了一些见解和教训,可以从美国大学的同事那里学习他们的在线教育经验。本研究对网络教育收益的文献回顾和以往研究进行了探讨和总结。详细讨论了在线教育的新兴趋势,并解释了实现这些趋势的策略。作者提供了一些工具和策略,使大学能够确保在线教育的质量。在这篇研究论文的最后,研究者提供了阿拉伯大学成功实施在线教育并扩大其对社会影响的例子。本研究提供了一种策略和模式,可以被中东地区的大学用作在其地区实施在线教育的路线图。
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引用次数: 6
期刊
International Journal of Informatics and Communication Technology (IJ-ICT)
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