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Document similarity for error prediction 用于错误预测的文档相似性
IF 2.7 Q1 Computer Science Pub Date : 2021-03-10 DOI: 10.1080/24751839.2021.1893496
Péter Marjai, P. Lehotay-Kéry, A. Kiss
ABSTRACT In today's rushing world, there's an ever-increasing usage of networking equipment. These devices log their operations; however, there could be errors that result in the restart of the given device. There could be different patterns before different errors. Our main goal is to predict the upcoming error based on the log lines of the actual file. To achieve this, we use document similarity. One of the key concepts of information retrieval is document similarity which is an indicator of how analogous (or different) documents are. In this paper, we are studying the effectiveness of prediction based on cosine similarity, Jaccard similarity, and Euclidean distance of rows before restarts. We use different features like TFIDF, Doc2Vec, LSH, and others in conjunction with these distance measures. Since networking devices produce lots of log files, we use Spark for Big data computing.
摘要在当今飞速发展的世界里,网络设备的使用越来越多。这些设备记录其操作;但是,可能存在导致给定设备重新启动的错误。在出现不同的错误之前可能会有不同的模式。我们的主要目标是根据实际文件的日志行来预测即将发生的错误。为了实现这一点,我们使用文档相似性。信息检索的关键概念之一是文档相似性,它是文档相似程度(或不同程度)的指标。在本文中,我们正在研究基于余弦相似性、Jaccard相似性和重新启动前行的欧几里得距离的预测的有效性。我们将TFIDF、Doc2Verc、LSH等不同功能与这些距离测量结合使用。由于网络设备会产生大量的日志文件,我们使用Spark进行大数据计算。
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引用次数: 4
A modified version of GoogLeNet for melanoma diagnosis 用于黑色素瘤诊断的GoogLeNet改进版
IF 2.7 Q1 Computer Science Pub Date : 2021-03-10 DOI: 10.1080/24751839.2021.1893495
E. Yılmaz, M. Trocan
ABSTRACT Differential diagnosis of malignant melanoma, which is the cause of more than 75% of deaths amongst skin lesions, is vital for patients. Artificial intelligence-based decision support systems developed for the analysis of medical images are in the solution of such problems. In recent years, various deep learning algorithms have been developed to be used for this purpose. In our previous study, we compared the performances of AlexNet, GoogLeNet and ResNet-50 for the differential diagnosis of benign and malignant melanoma on International Skin Imaging Collaboration: Melanoma Project (ISIC) dataset. In this study, we proposed a CNN model by modifying the GoogLeNet algorithm and we compared the performance of this model with the previous results. For the experiments, we used 19,373 benign and 2197 malignant diagnosed dermoscopy images obtained from this public archive. We compared the performance results according to the eight different performance metrics including polygon area metric (PAM), classification accuracy (CA), sensitivity (SE), specificity (SP), area under curve (AUC), kappa (K), F measure metric (FM) and time complexity (TC) measures. According to the results, our proposed CNN achieved the best classification accuracy with 0.9309 and decreased the time complexity of GoogLeNet from 283 min 50 to 256 min 26 s.
摘要恶性黑色素瘤是导致75%以上皮肤病变死亡的原因,对患者进行鉴别诊断至关重要。为分析医学图像而开发的基于人工智能的决策支持系统正是解决这些问题的方法。近年来,各种深度学习算法已被开发用于此目的。在我们之前的研究中,我们在国际皮肤成像合作组织:黑色素瘤项目(ISIC)数据集上比较了AlexNet、GoogLeNet和ResNet-50在良恶性黑色素瘤鉴别诊断方面的性能。在这项研究中,我们通过修改GoogLeNet算法提出了一个CNN模型,并将该模型的性能与之前的结果进行了比较。在实验中,我们使用了从这个公共档案中获得的19373张良性和2197张恶性诊断的皮肤镜图像。我们根据八种不同的性能指标比较了性能结果,包括多边形面积指标(PAM)、分类准确度指标(CA)、敏感性指标(SE)、特异性指标(SP)、曲线下面积指标(AUC)、kappa指标(K)、F度量指标(FM)和时间复杂性指标(TC)。根据结果,我们提出的CNN获得了最佳的分类精度,为0.9309,并将GoogLeNet的时间复杂度从283降低 最小50至256 最小26 s
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引用次数: 9
Prediction of stock values changes using sentiment analysis of stock news headlines 基于股票新闻标题情绪分析的股票价值变动预测
IF 2.7 Q1 Computer Science Pub Date : 2021-02-01 DOI: 10.1080/24751839.2021.1874252
L. Nemes, A. Kiss
ABSTRACT The prediction and speculation about the values of the stock market especially the values of the worldwide companies are a really interesting and attractive topic. In this article, we cover the topic of the stock value changes and predictions of the stock values using fresh scraped economic news about the companies. We are focussing on the headlines of economic news. We use numerous different tools to the sentiment analysis of the headlines. We consider BERT as the baseline and compare the results with three other tools, VADER, TextBlob, and a Recurrent Neural Network, and compare the sentiment results to the stock changes of the same period. The BERT and RNN were much more accurate, these tools were able to determine the emotional values without neutral sections, in contrast to the other two tools. Comparing these results with the movement of stock market values in the same time periods, we can establish the moment of the change occurred in the stock values with sentiment analysis of economic news headlines. Also we discovered a significant difference between the different models in terms of the effect of emotional values on the change in the value of the stock market by the correlation matrices.
对股票市场价值的预测和猜测,特别是对跨国公司价值的预测和猜测,是一个非常有趣和有吸引力的话题。在这篇文章中,我们将讨论股票价值的变化,并使用有关这些公司的最新经济新闻来预测股票价值。我们关注的是经济新闻的头条。我们使用许多不同的工具来分析头条新闻的情绪。我们将BERT作为基准,并将结果与其他三种工具(VADER, TextBlob和递归神经网络)进行比较,并将情绪结果与同期的股票变化进行比较。BERT和RNN更加准确,与其他两种工具相比,这些工具能够在没有中性部分的情况下确定情绪值。将这些结果与同一时间段内股票市场价值的运动进行比较,我们可以通过对经济新闻标题的情绪分析来确定股票价值发生变化的时刻。通过相关矩阵分析,我们还发现不同模型在情绪价值观对股票市场价值变化的影响方面存在显著差异。
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引用次数: 31
An integrated-multi-RAT framework for multipath-computing in heterogeneous-wireless network 一种用于异构无线网络中多径计算的集成多RAT框架
IF 2.7 Q1 Computer Science Pub Date : 2021-01-22 DOI: 10.1080/24751839.2021.1871819
Vimal Kumar, N. Tyagi
ABSTRACT The bandwidth-intensive applications on Smart-Mobile-Devices (SMDs) are increasing with SMD's colossal growth. The overlapped cellular and non-cellular networks, in hot-spot-places, and SMDs capabilities are significant reasons for this growth. SMD's interfaces-RAT (Radio-Access-Technology) can have complementary link characteristics. The end-users can avail always-best-connectivity (ABC) on their SMDs with complementary RAT characteristics. This paper proposes an Integrated-multi-RAT-utilization (Im-Ru) framework for multipath-computing support to realize ABC for the end-users. The Im-Ru framework has two approaches. The First is a hybrid-RAT-discovery model based on SMD's interfaces, current-location, and identification using ANDSF and MIIS servers. The second is the user's preference-based RAT-selection using weighted-RAT-parameters. We observe that the Im-Ru framework for multipath-computing is useful in future 5G-NR networks. We analyzed the Im-Ru's performance related to average-throughput improvement over the existing approaches for SMD's different speeds and observed a significant improvement. The experimental results show that Im-Ru is more reliable by realizing lower packet-loss and delay than existing work.
摘要随着SMD的巨大增长,智能移动设备(SMD)上的带宽密集型应用正在增加。热点地区重叠的蜂窝和非蜂窝网络以及SMD能力是这种增长的重要原因。SMD的接口RAT(无线电接入技术)可以具有互补的链路特性。终端用户可以在具有互补RAT特性的SMD上始终获得最佳连接(ABC)。本文提出了一种用于多径计算支持的集成多RAT利用(Im-Ru)框架,以实现终端用户的ABC。Im-Ru框架有两种方法。第一种是基于SMD的接口、当前位置和使用ANDSF和MIIS服务器的识别的混合RAT发现模型。第二个是使用加权RAT参数的用户基于偏好的RAT选择。我们观察到,用于多径计算的Im-Ru框架在未来的5G-NR网络中是有用的。我们分析了与SMD不同速度的现有方法相比,Im-Ru的性能与平均吞吐量的提高有关,并观察到了显著的提高。实验结果表明,与现有工作相比,Im-Ru实现了更低的丢包率和时延,可靠性更高。
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引用次数: 4
Content-based fake news classification through modified voting ensemble 基于内容的修改投票集合假新闻分类
IF 2.7 Q1 Computer Science Pub Date : 2021-01-01 DOI: 10.1080/24751839.2021.1963912
Jose Fabio Ribeiro Bezerra
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引用次数: 0
Deep learning approach on tabular data to predict early-onset neonatal sepsis 基于表格数据的深度学习方法预测早发性新生儿败血症
IF 2.7 Q1 Computer Science Pub Date : 2020-12-25 DOI: 10.1080/24751839.2020.1843121
Redwan Hasif Alvi, M. H. Rahman, Adib Al Shaeed Khan, R. Rahman
ABSTRACT Neonatal sepsis that is a major threat for maternal and neonatal health worldwide. In this work we design non-invasive, deep learning classification models for predicting accurately and efficiently the early-onset sepsis in neonates in Neonatal Intensive Care Units. By non-invasive, it means that no external instrument or foreign body is introduced when taking data for the classifier. Moreover, the data collected for the purpose of predicting and classifying subjects with neonatal sepsis is in the form of tabular, structured data. The deep learning classification models we design and propose in this are known for working with time series, sequential or image data. Hence, the objective of the current research is to propose such a model that makes use of the powerful tools inherent in Neural Networks for pattern recognition, and use them to outperform traditional machine learning algorithms to detect early-onset neonatal sepsis. Real life neonatal sepsis data samples from two different hospitals are used (Crecer’s Hospital Centre in Cartagena-Colombia and Children’s Hospital of Philadelphia) to make the evaluation of the Neural Networks as authentic as possible.
摘要新生儿败血症是全球孕产妇和新生儿健康的主要威胁。在这项工作中,我们设计了无创的深度学习分类模型,用于准确有效地预测新生儿重症监护室新生儿的早发性败血症。所谓非侵入性,是指在为分类器获取数据时不引入外部仪器或异物。此外,为预测和分类新生儿败血症受试者而收集的数据采用表格、结构化数据的形式。我们在本文中设计和提出的深度学习分类模型以处理时间序列、序列或图像数据而闻名。因此,当前研究的目标是提出这样一个模型,利用神经网络固有的强大工具进行模式识别,并使用它们来优于传统的机器学习算法来检测早发性新生儿败血症。使用来自两家不同医院(哥伦比亚卡塔赫纳Crecer医院中心和费城儿童医院)的真实新生儿败血症数据样本,使神经网络的评估尽可能真实。
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引用次数: 12
Competence-oriented project team planning – university case study 以能力为导向的项目团队规划——大学案例研究
IF 2.7 Q1 Computer Science Pub Date : 2020-12-25 DOI: 10.1080/24751839.2020.1857039
E. Szwarc, I. Nielsen, Czeslaw Smutnicki, G. Bocewicz, Z. Banaszak, J. Bilski
ABSTRACT Selection of competent employees is one of the numerous factors that determine the success of a project. The literature describes many approaches that help decision makers to recruit candidates with the required skills. Only a few of them consider the disruptions that can occur during the implementation of a project, such as employee absenteeism and fluctuations in the duration of activities, etc. Collectively, what these approaches amount to is proactive planning of employee teams with redundant competences. Searching for competence frameworks robust to disruptions involves time-consuming calculations, which do not guarantee that an admissible solution will be found. In view of this, in the present study, we propose sufficient conditions, the fulfilment of which guarantees the existence of such a solution. By testing these conditions, one can determine whether there exists an admissible solution, i.e. whether it is at all worth searching for a robust competence framework. The possibilities of practical application of the proposed method are illustrated with an example.
选择称职的员工是决定项目成功的众多因素之一。文献描述了许多帮助决策者招募具有所需技能的候选人的方法。只有少数人考虑到在项目执行过程中可能发生的中断,例如员工缺勤和活动持续时间的波动等。总的来说,这些方法相当于对具有冗余能力的员工团队进行主动规划。寻找对中断稳健的能力框架涉及耗时的计算,这并不能保证找到一个可接受的解决方案。鉴于此,在本研究中,我们提出了充分条件,这些条件的满足保证了这种解的存在。通过测试这些条件,人们可以确定是否存在一个可接受的解决方案,即是否值得寻找一个健全的能力框架。最后通过一个算例说明了该方法在实际应用中的可能性。
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引用次数: 0
Development of internet measurement principles for representation of measured provision of service (QoS-2) 为表示已测量的服务提供而制定互联网测量原则(QoS-2)
IF 2.7 Q1 Computer Science Pub Date : 2020-12-02 DOI: 10.1080/24751839.2020.1847490
Inga Vagale, E. Lipenbergs, V. Bobrovs, G. Ivanovs
ABSTRACT In modern world, technology plays a significant role. Upcoming services, demanding a specific level of service quality that should be guaranteed no matter what, will impose obligations to network performance and capacity. European strategy for broadband development prescribes a set of quality indicators that networks should correspond. But imposed obligations themselves don’t guarantee the persistent level of quality. European initiatives of geographical mapping of broadband access, which are developed in order to monitor the development of internet access services, propose guidance for gathering and representation of estimated QoS parameters at the so-called QoS-1 level, whereas monitoring of actual network performance on QoS-2 level and representation of real and objective internet quality indicators rests undefined. Besides ensuring that quality is described in meaningful and comparable manner the general measurement methodology that suits various purposes should be established. This research is aimed to develop principles of monitoring and objective representation of internet access service quality parameters in specific location on QoS-2 level, as well as to establish joint mechanism to obtain the quality of service data that would be appropriate for different needs. This research is directed to the mobile internet access service.
在现代社会,科技扮演着重要的角色。即将到来的服务,无论如何都需要保证特定的服务质量水平,这将对网络性能和容量施加义务。欧洲宽带发展战略规定了一套网络应符合的质量指标。但强加的义务本身并不能保证持续的质量水平。欧洲的宽带接入地理制图倡议是为了监测互联网接入服务的发展而制定的,它提出了在所谓的QoS-1级别收集和表示估计的QoS参数的指导,而在QoS-2级别监测实际网络性能和表示真实和客观的互联网质量指标尚未定义。除了确保以有意义和可比较的方式描述质量外,还应建立适合各种目的的通用测量方法。本研究旨在建立QoS-2层面特定地点互联网接入服务质量参数的监测和客观表征原则,并建立联合机制以获取适合不同需求的服务质量数据。本研究针对移动互联网接入服务。
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引用次数: 2
An image generation approach for traffic density classification at large-scale road network 一种用于大规模路网交通密度分类的图像生成方法
IF 2.7 Q1 Computer Science Pub Date : 2020-11-27 DOI: 10.1080/24751839.2020.1847507
Jiho Cho, Hongsuk Yi, Heejin Jung, Khac-Hoai Nam Bui
ABSTRACT Recently, with the rapid development of deep learning models, traffic analysis using image datasets recently has attracted more attention. Specifically, the network traffic can be represented to images as the input for deep learning models to provide various applications (e.g. Spatio-Temporal traffic forecasting). In this study, we propose a new image generation approach for traffic density classification in terms of large-scale road network. Particularly, traffic volume and speed are at certain areas able to be measured by using surveillance systems (e.g. loop detectors). However, measuring the density is difficult which depends on the spatial correlation from the perspective of the network. Consequently, an effective image generation approach, based on information arrival and departure time of vehicles, is proposed to deal with this problem. Regarding the experiment, traffic density classification using a convolutional neural network is executed on roadside equipment data of 11 continuous intersections for evaluating the effectiveness of the proposed approach.
摘要近年来,随着深度学习模型的快速发展,利用图像数据集进行交通分析越来越受到关注。具体而言,网络流量可以表示为图像,作为深度学习模型的输入,以提供各种应用(例如时空流量预测)。在这项研究中,我们提出了一种新的图像生成方法,用于大规模路网中的交通密度分类。特别是,某些区域的交通量和速度可以通过使用监控系统(例如环路检测器)进行测量。然而,测量密度是困难的,这取决于从网络的角度来看的空间相关性。因此,针对这一问题,提出了一种基于车辆到达和离开时间信息的有效图像生成方法。关于实验,使用卷积神经网络对11个连续交叉口的路侧设备数据进行交通密度分类,以评估所提出方法的有效性。
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引用次数: 2
Trends in combating fake news on social media – a survey 打击社交媒体假新闻的趋势——一项调查
IF 2.7 Q1 Computer Science Pub Date : 2020-11-27 DOI: 10.1080/24751839.2020.1847379
Botambu Collins, Dinh Tuyen Hoang, N. Nguyen, D. Hwang
ABSTRACT Social media following its introduction has witnessed a lot of scholarly attention in recent years due to its growing popularity. These various social media sites have become the mecca of information because of their less costly and easy accessibility. Although these sites were developed to enhance our lives, they are seen as both angelic and vicious. Growing misinformation and fake content by malicious users have not only plagued our online social media ecosystem into chaos, but it also meted untold suffering to humankind. Recently, social media has witnessed a reverberation amid the proliferation of fake news which has made people reluctant to engage in genuine news sharing for fear that such information is false. Consequently, there is a dire need for these fake content to be detected and removed from social media. This study explores the various methods of combating fake news on social media such as Natural Language Processing, Hybrid model. We surmised that detecting fake news is a challenging and complex issue, however, it remains a workable task. Revelation in this study holds that the application of hybrid-machine learning techniques and the collective effort of humans could stand a higher chance of fighting misinformation on social media.
近年来,由于社交媒体的日益普及,它的出现引起了学术界的广泛关注。这些各种各样的社交媒体网站已经成为信息的圣地,因为它们成本较低,易于访问。虽然这些网站是为了改善我们的生活而开发的,但它们被视为既天使又邪恶。恶意用户越来越多的错误信息和虚假内容,不仅使我们的网络社交媒体生态系统陷入混乱,而且给人类带来了难以言表的痛苦。最近,社交媒体见证了假新闻泛滥的反响,这使得人们不愿参与真正的新闻分享,因为担心这些信息是虚假的。因此,迫切需要从社交媒体上发现和删除这些虚假内容。本研究探讨了在社交媒体上打击假新闻的各种方法,如自然语言处理,混合模型。我们推测,检测假新闻是一个具有挑战性和复杂的问题,然而,它仍然是一个可行的任务。这项研究的启示认为,混合机器学习技术的应用和人类的集体努力可以更有可能打击社交媒体上的错误信息。
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引用次数: 50
期刊
Journal of Information and Telecommunication
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