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2020 6th IEEE Congress on Information Science and Technology (CiSt)最新文献

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Intelligent Network for Proactive Detection of COVID-19 Disease 主动检测COVID-19疾病的智能网络
Pub Date : 2020-06-05 DOI: 10.1109/CiSt49399.2021.9357181
Saad Chakkor, Mostafa Baghouri, Zineb Cheker, A. Oualkadi, J. E. Hangouche, Jawhar Laamech
This is a proposal for an automated detection and remote monitoring system made up of a centralized network of communicating portable electronic devices based on biomedical sensors operating in the IoT context in synergy with wireless sensor network technologies, telemedicine and artificial intelligence. This network will be deployed to monitor a population settling in a target area (cities, region, country, etc.). The goal of this system is the detection and early diagnosis of the disease in people infected with the COVID-19 virus, using a device (such as a bracelet or a chest strap). This device collects in real time all the necessary biomedical measurements of a person, including their location, freeing them from any hospitalization or use of complex and expensive equipment. These informations are then transmitted, via a wireless connection, to a regional or national control center which takes care of its storage in a specialized database. This center executes a decision-making algorithm using artificial intelligence and fuzzy inference engine to detect accurately each possible abnormal change in the supervised biomedical signs reflecting risk factor or indicating the appearance of symptoms characterizing COVID-19 disease. In the positive case, the control system triggers a warning alarm concerning this infected person and requests intervention of the competent authorities to take the necessary measures and actions. Computer simulations with Matlab software tool have been conducted to evaluate the performance of the proposed system. Study findings show that the designed device is suitable for application in COVID-19 patient monitoring.
这是一项自动检测和远程监控系统的提案,该系统由基于物联网环境下运行的生物医学传感器的通信便携式电子设备的集中网络组成,与无线传感器网络技术、远程医疗和人工智能协同工作。该网络将用于监测在目标地区(城市、区域、国家等)定居的人口。该系统的目标是使用一种设备(如手镯或胸带)对COVID-19病毒感染者进行疾病检测和早期诊断。该设备实时收集一个人的所有必要的生物医学测量数据,包括他们的位置,使他们不必住院治疗或使用复杂而昂贵的设备。然后,这些信息通过无线连接传输到一个地区或国家控制中心,由该中心负责将其存储在一个专门的数据库中。本中心运用人工智能和模糊推理引擎,执行决策算法,准确发现反映新冠肺炎危险因素或症状表现的监督生物医学指标中每一个可能出现的异常变化。在阳性情况下,控制系统触发有关该感染者的警告警报,并要求主管当局进行干预,采取必要的措施和行动。利用Matlab软件工具进行了计算机仿真,以评估所提出系统的性能。研究结果表明,所设计的装置适用于COVID-19患者监测。
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引用次数: 5
A Middle-out Approach for Building a Legal domain ontology in Arabic 建立阿拉伯语法律领域本体的中间化方法
Pub Date : 2020-06-05 DOI: 10.1109/CiSt49399.2021.9357291
Kaoutar Belhoucine, M. Mourchid, A. Mouloudi, Samir Mbarki
Introducing ontology in information retrieval provides the obvious benefit of higher precision and addresses other common issues such as information quality and user adaptation. However, the main disadvantage is the costs (i.e., time and effort) of manually constructing an ontology and of its representativeness of the specified domain. This paper considers the ontology construction process and proposes a middle-out approach that allows the construction of a well-founded ontology speedily. The domain application that interests us is Moroccan commercial law. The ontology to be built aims to support users in describing a specific legal situation and retrieving the relevant legal articles and court decisions in similar cases. The proposed approach combines a top-down and bottom-up strategy. The first allows us to define an ontological model of the legal domain by reusing an existing core ontology, whereas the second populates and refines this model based on an ontology-learning process from Arabic texts.
在信息检索中引入本体可以提供更高的精度,并解决其他常见问题,如信息质量和用户适应性。然而,主要的缺点是人工构建本体的成本(即时间和精力)以及它在指定领域的代表性。本文考虑了本体的构建过程,提出了一种middle-out方法,可以快速构建一个基础良好的本体。我们感兴趣的域名应用是摩洛哥商法。构建的本体旨在支持用户描述特定的法律情况,检索类似案件中的相关法律条文和法院判决。所提出的方法结合了自顶向下和自底向上的策略。第一种方法允许我们通过重用现有的核心本体来定义法律领域的本体模型,而第二种方法基于来自阿拉伯文本的本体学习过程来填充和改进该模型。
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引用次数: 3
Road Crashes Analysis and Prediction using Gradient Boosted and Random Forest Trees 使用梯度增强和随机森林树的道路碰撞分析和预测
Pub Date : 2020-06-05 DOI: 10.1109/CiSt49399.2021.9357298
S. Elyassami, Yasir Hamid, T. Habuza
People lose their lives every day due to road traffic crashes. The problem is so humongous globally that the World Health Organization, in its Sustainable Development Agenda 2030, is inviting the coordinates efforts across nations towards it and aspiring to cut down the deaths and injuries to half. Taking a clue from that, the proposed work is undertaken to build machine learning-based models for analyzing the crash data, identifying the important risk factors, and predict the injury severity of drivers. The proposed work studied and analyzed several factors of road accidents to create an accurate and interpretable model that predicts the occurrence and severity of car accidents by investigating crash causal factors and crash severity factors. In the proposed work, we employed three machine learning algorithms to vis-à-vis Decision Tree, Random Forest, and Gradient Boosted tree on Statewide Vehicle Crashes Dataset provided by Maryland State Police. The gradient boosted-based model reported the highest prediction accuracy and provided the most influencing factors in the predictive model. The findings showed that disregarding traffic signals and stop signs, road design problems, poor visibility, and bad weather conditions are the most important variables in the predictive road traffic crash model. Using the identified risk factors is crucial in establishing actions that may reduce the risks related to those factors.
每天都有人因道路交通事故而丧生。这个问题在全球范围内是如此巨大,以至于世界卫生组织在其《2030年可持续发展议程》中邀请各国为此协调努力,并希望将死亡和受伤人数减少一半。以此为线索,提出的工作是建立基于机器学习的模型,用于分析碰撞数据,识别重要的风险因素,并预测驾驶员的伤害严重程度。本文研究和分析了道路交通事故的几个因素,通过调查事故原因因素和事故严重程度因素,建立了一个准确和可解释的模型,预测交通事故的发生和严重程度。在提出的工作中,我们使用了三种机器学习算法来访问-à-vis决策树、随机森林和梯度提升树,这些树是由马里兰州警察局提供的全州车辆碰撞数据集。在预测模型中,梯度增强模型预测精度最高,影响因子最多。研究结果表明,忽视交通信号和停车标志、道路设计问题、低能见度和恶劣天气条件是预测道路交通事故模型中最重要的变量。利用已确定的风险因素对于制定可能减少与这些因素有关的风险的行动至关重要。
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引用次数: 6
A new graph feature selection approach 一种新的图特征选择方法
Pub Date : 2020-06-05 DOI: 10.1109/CiSt49399.2021.9357067
Yassine Akhiat, Youssef Asnaoui, M. Chahhou, Ahmed Zinedine
Feature selection (FS) is a very important pre-processing technique in machine learning and data mining. It aims to select a small subset of relevant and informative features from the original feature space that may contain many irrelevant, redundant and noisy features. Feature selection usually leads to better performance, interpretability, and lower computational cost. In the literature, FS methods are categorized into three main approaches: Filters, Wrappers, and Embedded. In this paper we introduce a new feature selection method called graph feature selection (GFS). The main steps of GFS are the following: first, we create a weighted graph where each node corresponds to each feature and the weight between two nodes is computed using a matrix of individual and pairwise score of a Decision tree classifier. Second, at each iteration, we split the graph into two random partitions having the same number of nodes, then we keep moving the worst node from one partition to another until the global modularity is converged. Third, from the final best partition, we select the best ranked features according to a new proposed variable importance criterion. The results of GFS are compared to three well-known feature selection algorithms using nine benchmarking datasets. The proposed method shows its ability and effectiveness at identifying the most informative feature subset.
特征选择(FS)是机器学习和数据挖掘中非常重要的预处理技术。它旨在从可能包含许多不相关、冗余和噪声特征的原始特征空间中选择一小部分相关且信息丰富的特征。特征选择通常会带来更好的性能、可解释性和更低的计算成本。在文献中,FS方法被分为三种主要方法:过滤器、包装器和嵌入式。本文提出了一种新的特征选择方法——图特征选择(GFS)。GFS的主要步骤如下:首先,我们创建一个加权图,其中每个节点对应于每个特征,并且使用决策树分类器的单个和成对得分矩阵计算两个节点之间的权重。其次,在每次迭代中,我们将图分成具有相同节点数量的两个随机分区,然后将最差节点从一个分区移动到另一个分区,直到全局模块化收敛。第三,从最终的最佳划分中,根据新提出的变量重要度标准选择最佳排序特征。使用9个基准数据集,将GFS的结果与三种知名的特征选择算法进行了比较。该方法在识别信息量最大的特征子集方面表现出了良好的能力和有效性。
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引用次数: 7
CoviNet: Automated COVID-19 Detection from X-rays using Deep Learning Techniques CoviNet:利用深度学习技术从x射线中自动检测COVID-19
Pub Date : 2020-06-05 DOI: 10.1109/CiSt49399.2021.9357250
Samira Lafraxo, Mohamed El Ansari
The novel Coronavirus (COVID19) is an infectious epidemic declared in March 2020 as Pandemic. Because of its easy and rapid transmission, Coronavirus has caused thousands of deaths around the world. Thus, developing new systems for accurate and fast COVID19 detection is becoming crucial. X-ray imaging is used by radiology doctors for the diagnosis of coron-avirus. However, this process requires considerable time. Therefore, artificial intelligence systems can help in reducing pressure on health care systems. In this paper, we propose CoviNet a deep learning network to automatically detect COVID19 presence in chest X-ray images. The suggested architecture is based on an adaptive median filter, histogram equalization, and a convolutional neural network. It is trained end-to-end on a publicly available dataset. Our model achieved an accuracy of 98.62% for binary classification and 95.77% for multi-class classification. As the early diagnosis may limit the spread of the virus, this framework can be used to assist radiologists in the initial diagnosis of COVID19.
新型冠状病毒(covid - 19)是一种传染性流行病,于2020年3月宣布为大流行。由于其容易和快速传播,冠状病毒已在全球造成数千人死亡。因此,开发准确、快速检测covid - 19的新系统变得至关重要。x射线成像被放射科医生用于诊断冠状病毒。然而,这个过程需要相当长的时间。因此,人工智能系统可以帮助减轻卫生保健系统的压力。在本文中,我们提出了一个深度学习网络CoviNet来自动检测胸部x射线图像中是否存在covid - 19。建议的架构是基于自适应中值滤波器、直方图均衡化和卷积神经网络。它在一个公开可用的数据集上进行端到端训练。我们的模型在二元分类和多类分类上的准确率分别达到98.62%和95.77%。由于早期诊断可以限制病毒的传播,因此该框架可用于协助放射科医生对covid - 19进行初步诊断。
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引用次数: 13
Non-invasive physicochemical investigations of ancient Moroccan Islamic and Jewish parchments 古摩洛哥伊斯兰和犹太羊皮纸的非侵入性物理化学研究
Pub Date : 2020-06-05 DOI: 10.1109/CiSt49399.2021.9357293
Yacine Oubelkacem, A. Bakkali, S. A. Lyazidi, M. Haddad, T. Lamhasni, A. Ben-Ncer
Two Islamic parchments dating back to the IXth century along with a third Jewish one whose age is unknown were investigated by means of a completely non-invasive multi-techniques analysis combining all of elemental XRF and structural Raman, ATR-FTIR and FOR spectroscopies. The materials initially used in the preparation of the writing supports were identified; while the Islamic parchments seem to be condensed tannins-pretreated, hydrolysable tannins and lead white have been highlighted in the Jewish one. Collagen gelatinization with molecular helix disorders phenomena have been highlighted in all parchments; degradation products, gypsum and calcium oxalates, have been identified in parchments supports and writing black inks. These latter have been characterized as iron gall types, while all coloring materials have been identified and characterized: Gold, natural minerals and insect extracts. In addition to constituting valuable scientific data prior to future restorations, the obtained results are highly helpful to: i) improving the available codicological data, ii) establishing the traceability of the investigated parchments and iii) enriching the knowledge of ancient writing supports and materials, and highlighting technologies and practices developed by middle ages craftsmen.
研究人员利用一种完全无创的多技术分析方法,结合了所有元素XRF和结构拉曼光谱、ATR-FTIR和FOR光谱,研究了两份可追溯到8世纪的伊斯兰羊皮纸和第三份年龄未知的犹太羊皮纸。确定了最初用于准备书写支撑的材料;伊斯兰的羊皮纸似乎是浓缩的单宁酸——经过预处理,可水解的单宁酸和铅白在犹太教的羊皮纸中被强调了出来。在所有的文献中都强调了胶原蛋白凝胶化的分子螺旋紊乱现象;降解产物,石膏和草酸钙,已经在羊皮纸支架和书写黑色墨水中发现。后者已被表征为铁胆类型,而所有的着色材料已被鉴定和表征:金,天然矿物和昆虫提取物。除了为未来的修复提供有价值的科学数据外,所获得的结果对以下方面非常有帮助:1)改善现有的法典数据,2)建立所调查羊皮纸的可追溯性,3)丰富古代书写支撑和材料的知识,并突出中世纪工匠开发的技术和实践。
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引用次数: 0
Challenges for Students of Mechanical Engineering Using UML - Typical Questions and Faults 机械工程专业学生使用UML面临的挑战——典型问题和错误
Pub Date : 2020-06-05 DOI: 10.1109/CiSt49399.2021.9357186
B. Vogel‐Heuser, K. Land, Fandi Bi
The digitalization of teaching due to the Covid-19 pandemic offers new challenges, yet also new opportunities. To assist and encourage students in their self-study of the unified modeling language (UML), modeling tasks were provided; then student solutions were analyzed and discussed in web meetings. This way, earlier and more in-depth insights into typical faults in the students' modeling solutions could be achieved. Two groups of students were considered, and it was examined whether students make fewer or different faults in modeling depending on their maturity and pre-knowledge.
新冠肺炎疫情带来的教学数字化带来了新的挑战,也带来了新的机遇。为了帮助和鼓励学生自学统一建模语言(UML),提供了建模任务;然后在网络会议上分析和讨论学生的解决方案。这样,就可以更早、更深入地了解学生建模解决方案中的典型错误。考虑了两组学生,并根据他们的成熟度和预知识来检查学生在建模中是否犯了更少或不同的错误。
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引用次数: 1
6th International Congress on Information Science and Technology 第六届国际信息科学与技术大会
Pub Date : 2020-06-05 DOI: 10.1109/cist49399.2021.9357242
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引用次数: 0
Leveraging Subword Embeddings for Multinational Address Parsing 利用子词嵌入进行跨国地址解析
Pub Date : 2020-06-05 DOI: 10.1109/CiSt49399.2021.9357170
Marouane Yassine, David Beauchemin, François Laviolette, Luc Lamontagne
Address parsing consists of identifying the segments that make up an address such as a street name or a postal code. Because of its importance for tasks like record linkage, address parsing has been approached with many techniques. Neural network methods defined a new state-of-the-art for address parsing. While this approach yielded notable results, previous work has only focused on applying neural networks to achieve address parsing of addresses from one source country. We propose an approach in which we employ subword embeddings and a Recurrent Neural Network architecture to build a single model capable of learning to parse addresses from multiple countries at the same time while taking into account the difference in languages and address formatting systems. We achieved accuracies around 99% on the countries used for training with no pre-processing nor post-processing needed. We explore the possibility of transferring the address parsing knowledge obtained by training on some countries' addresses to others with no further training in a zero-shot transfer learning setting. We achieve good results for 80% of the countries (33 out of 41), almost 50% of which (20 out of 41) is near state-of-the-art performance. In addition, we propose an open-source Python implementation of our trained models11https://githuh.com/GRAAL-Research/deepparse.
地址解析包括识别组成地址的片段,如街道名称或邮政编码。由于地址解析在记录链接等任务中的重要性,人们采用了许多技术来处理地址解析。神经网络方法定义了一种新的地址解析技术。虽然这种方法产生了显著的结果,但以前的工作只关注于应用神经网络来实现来自一个来源国家的地址解析。我们提出了一种方法,我们使用子词嵌入和递归神经网络架构来构建一个能够同时学习解析来自多个国家的地址的单一模型,同时考虑到语言和地址格式系统的差异。在不需要预处理和后处理的情况下,我们对用于培训的国家的准确率达到了99%左右。我们探索了在零机会迁移学习环境下,将通过对某些国家的地址进行培训而获得的地址解析知识转移到其他国家的可能性。我们在80%的国家(41个国家中的33个)取得了良好的成绩,其中近50%的国家(41个国家中的20个)的表现接近最先进水平。此外,我们提出了一个开源的Python实现我们训练过的模型11https://githuh.com/GRAAL-Research/deepparse。
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引用次数: 9
Learners'Motivation Types in the Smart Instruction of English for Specific Purposes 专用英语智能教学中学习者的动机类型
Pub Date : 2020-06-05 DOI: 10.1109/CiSt49399.2021.9357235
I. Šimonová, Ludmila Faltýnková, K. Kostolányová
The paper introduces results of research in which potential increase in learner's knowledge is considered from the view of four motivation types (Accurators, Coordinators, Directors, Explorers) within the process of smart instruction applied at two topics (Career Development, Healthy Living) of the English for Specific Purposes course. The main research objective is to find out whether learners of all motivation types can succeed in this process. Totally, 119 students, prospective teachers from the Faculty of Education and Faculty of Science, participated in the research. The SAMR (Substitution, Augmentation, Modification, Redefinition) model was applied within the smart instruction using smart devices to approach electronic sources and smart methods towards acquiring the learning content. The smart instruction was conducted for 12 weeks (one semester). Two hypotheses were set, and the quasi-experiment and ex-post-facto method were applied. Data referring to learners' motivation types were collected through the standardized Motivation Type Inventory (MTI) by Plaminek. The increase in learners' knowledge was calculated as the difference between entrance and final didactic tests scores. The results did not show statistically significant difference between single motivation types in the topic of Career Development. However, in Healthy Living, the difference was discovered in the group of Coordinators compared to other three types.
本文介绍了从四种动机类型(准确者、协调者、指导者、探索者)的角度考虑学习者知识潜在增长的研究结果,这些动机类型应用于特殊用途英语课程的两个主题(职业发展、健康生活)的智能教学过程中。研究的主要目的是找出所有动机类型的学习者是否都能在这一过程中取得成功。共有119名来自教育学院和理学院的准教师参与了研究。在智能教学中应用SAMR(替代、增强、修改、重新定义)模型,使用智能设备接近电子源和智能方法获取学习内容。智能教学为期12周(1学期)。设置两个假设,采用准实验法和事后检验法。通过Plaminek的标准化动机类型量表(MTI)收集学习者的动机类型数据。学习者知识的增长是通过入学和期末教学考试成绩之间的差异来计算的。结果显示,在职业发展主题中,单一动机类型之间没有统计学上的显著差异。然而,在健康生活中,与其他三种类型相比,协调员组发现了差异。
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引用次数: 1
期刊
2020 6th IEEE Congress on Information Science and Technology (CiSt)
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