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NPDSLINKS: Nexus-PORTAL-DOORS-Scribe Learning Intelligence aNd Knowledge System Nexus-PORTAL-DOORS-Scribe学习智能和知识系统
Pub Date : 2020-09-01 DOI: 10.1109/TransAI49837.2020.00027
Shreya Choksi, Peter Hong, Sohyb Mashkoor, C. Taswell
With the continuing growth in use of large complex data sets for artificial intelligence applications (AIA), unbiased methods should be established for assuring the validity and reliability of both input data and output results. Advancing such standards will help to reduce problems described with the aphorism ‘Garbage In, Garbage Out’ (GIGO). This concern remains especially important for AIA tools that execute within the environment of interoperable systems which share, exchange, convert, and/or interchange data and metadata such as the Nexus-PORTAL-DOORS-Scribe (NPDS) cyberinfrastructure and its associated Learning Intelligence aNd Knowledge System (LINKS) applications. The PORTAL-DOORS Project (PDP) has developed the NPDS cyberinfrastructure with lexical PORTAL registries, semantic DOORS directories, hybrid Nexus diristries, and Scribe registrars. As a self-referencing and self-describing system, the NPDS cyberinfrastructure has been designed to operate as a pervasive distributed network of data repositories compliant with the Hierarchically Distributed Mobile Metadata (HDMM) architectural style. Building on the foundation of the NPDS cyberinfrastructure with its focus on data, PDP has now introduced LINKS applications with their focus on algorithms and analysis of the data. In addition, PDP has launched a pair of new websites at NPDSLINKS.net and NPDSLINKS.org which will serve respectively as the root of the NPDS cyberinfrastructure and the home for definitions and standards on quality descriptors and quantitative measures to evaluate the data contained within NPDS records. Prototypes of these descriptors and measures for use with NPDS and LINKS are introduced in this report. PDP envisions building better AIA and preventing the unwanted phenomenon of GIGO by using the combination of metrics to detect and reduce bias from data, the NPDS cyberinfrastructure for the data, and LINKS applications for the algorithms.
随着人工智能应用(AIA)中大型复杂数据集的使用不断增长,应该建立无偏方法来确保输入数据和输出结果的有效性和可靠性。推进这样的标准将有助于减少“垃圾输入,垃圾输出”(GIGO)这句格言所描述的问题。对于在可互操作系统环境中执行的AIA工具(共享、交换、转换和/或交换数据和元数据),如Nexus-PORTAL-DOORS-Scribe (NPDS)网络基础设施及其相关的学习智能和知识系统(LINKS)应用程序,这种关注尤为重要。PORTAL-DOORS项目(PDP)开发了包含词法PORTAL注册、语义DOORS目录、混合Nexus目录和Scribe注册器的NPDS网络基础设施。作为一个自我引用和自我描述的系统,NPDS网络基础设施被设计成一个普遍的分布式数据存储库网络,符合分层分布式移动元数据(HDMM)架构风格。在以数据为重点的NPDS网络基础设施的基础上,PDP现在引入了以算法和数据分析为重点的LINKS应用程序。此外,资讯科技发展计划在NPDSLINKS.net和NPDSLINKS.org推出了两个新网站,分别作为资讯科技发展计划网络基础设施的根基,以及提供有关品质描述符和定量措施的定义和标准,以评估资讯科技发展计划记录内所载的数据。本报告介绍了用于NPDS和LINKS的这些描述符和度量的原型。PDP设想通过综合使用指标来检测和减少数据偏差、NPDS数据网络基础设施和算法链接应用程序,建立更好的AIA,防止不必要的GIGO现象。
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引用次数: 3
Towards Passive Authentication using Inertia Variations: An Experimental Study on Smartphones 利用惯性变化实现被动认证:智能手机的实验研究
Pub Date : 2020-09-01 DOI: 10.1109/TransAI49837.2020.00019
James Brown, Aaditya Raval, Mohd Anwar
Passive biometrics and behavioral analytics seek to identify users based on their unique patterns of activities. In this paper, we test the feasibility of using time-varying inertia data as passive biometrics to be used for user identification and authentication. We present a deep learning model for inertia pattern recognition that achieved a high accuracy of 87.17%. A fully-connected sequential deep neural network was trained on 6730 sensor data samples, each having 15 features: triaxial measurements from accelerometer, gyroscope, magnetometer, and rotational vector. We further discuss the potential impact of inertia pattern recognition for user identification and authentication.
被动生物识别和行为分析试图根据用户独特的活动模式来识别用户。在本文中,我们测试了使用时变惯性数据作为被动生物特征用于用户身份识别和认证的可行性。我们提出了一种用于惯性模式识别的深度学习模型,达到了87.17%的高精度。在6730个传感器数据样本上训练了一个全连接的序列深度神经网络,每个样本有15个特征:加速度计、陀螺仪、磁力计和旋转矢量的三轴测量。我们进一步讨论惯性模式识别对用户识别和认证的潜在影响。
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引用次数: 1
Applications of AI in cybersecurity 人工智能在网络安全中的应用
Pub Date : 2020-09-01 DOI: 10.1109/TransAI49837.2020.00031
Matthias Hofstetter, R. Riedl, Thomas Gees, A. Koumpis, Thomas Schaberreiter
Issues related to digital security are, there is no doubt for this, of utmost importance in the development of methods and support measures for organisations to successfully prepare for as well as realise their digital transformation. While big organisations and businesses may afford to buy services or develop their own in-house know-how and tools, small and medium-sized businesses are not having the means for this, be them financial resources, human resources or technology itself. This dystopic situation may on the other hand offer an unexpected and – as of today – yet unprecedented chance for innovations in terms of bridging the gap and addressing the need with use of AI technologies and services. In the paper we elaborate on a scenario that we have been developing as part of a European project that is part of the European Horizons 2020 project CS-AWARE.
毫无疑问,与数字安全相关的问题对于组织成功准备和实现数字化转型的方法和支持措施的发展至关重要。虽然大型组织和企业可能有能力购买服务或开发自己的内部专有技术和工具,但中小型企业没有财力、人力资源或技术本身。另一方面,这种反乌托邦的情况可能会提供一个意想不到的、迄今为止前所未有的创新机会,通过使用人工智能技术和服务来弥合差距和满足需求。在本文中,我们详细阐述了我们作为欧洲项目的一部分开发的一个场景,该项目是欧洲地平线2020项目CS-AWARE的一部分。
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引用次数: 4
Learning and Intelligence in Human-Cyber-Physical Systems: Framework and Perspective 人-信息-物理系统中的学习与智能:框架与视角
Pub Date : 2020-09-01 DOI: 10.1109/TransAI49837.2020.00032
Baicun Wang, Xingyu Li, T. Freiheit, B. Epureanu
Industry 4.0 or smart manufacturing is often regarded as cyber-physical systems exclude humans. However, humans are still the designers of these so-called human-out-the-loop systems. Humans are very important elements of Industry 4.0, especially with regard to learning and intelligence, even though the human’s role and full integration in these systems is often overlooked. This paper proposes a unified framework to further the understanding of learning and intelligence in human-cyber-physical systems (HCPS) and to provide a more realistic and holistic understanding of Industry 4.0. The elements and sub-systems of HCPS learning and intelligence are introduced, and the applications and challenges for implementation of human-centered Industry 4.0 are discussed.
工业4.0或智能制造通常被认为是排除人类的网络物理系统。然而,人类仍然是这些所谓的人类跳出循环系统的设计者。人类是工业4.0非常重要的元素,特别是在学习和智能方面,尽管人类在这些系统中的作用和完全集成经常被忽视。本文提出了一个统一的框架,以进一步理解人类-网络-物理系统(HCPS)中的学习和智能,并提供对工业4.0更现实和全面的理解。介绍了HCPS学习和智能的要素和子系统,讨论了以人为本的工业4.0的应用和实现挑战。
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引用次数: 8
A unified framework on node classification using graph convolutional networks 基于图卷积网络的节点分类统一框架
Pub Date : 2020-09-01 DOI: 10.1109/TransAI49837.2020.00015
Saurabh Mithe, Katerina Potika
Graphs contain a plethora of valuable information about the underlying data which can be extracted, analyzed, and visualized using Machine Learning (ML). The challenge is that graphs are non-Euclidean structures, and cannot be directly used with ML techniques. In order to overcome this challenge, one way is to encode nodes into an equivalent Euclidean representation in the form of a low-dimensional vector, also called an embedding vector, and the encoding process is called node embedding. During the recent years, various ML techniques have been developed that learn the encoding of the nodes automatically. Some of these techniques, called Graph Convolutional Networks (GCN), use variants of the convolutional neural networks adapted for graphs. The focus of this paper is two-fold. Firstly, to develop a unified framework focusing on three major GCN techniques in order to analyze, evaluate, and compare their performance on select benchmark datasets for the task of node classification. And secondly, to implement a new attention aggregator for GraphSAGE, and compare the performance of the aggregator with the existing GCN methods as well as the other aggregators provided by GraphSAGE.
图包含了大量关于底层数据的有价值的信息,这些信息可以使用机器学习(ML)进行提取、分析和可视化。挑战在于图是非欧几里得结构,不能直接与ML技术一起使用。为了克服这一挑战,一种方法是将节点以低维向量的形式编码为等效的欧几里得表示,也称为嵌入向量,编码过程称为节点嵌入。近年来,人们开发了各种机器学习技术来自动学习节点的编码。其中一些技术,称为图形卷积网络(GCN),使用了适合于图形的卷积神经网络的变体。本文的重点有两个方面。首先,针对三种主要的GCN技术建立统一的框架,分析、评估和比较它们在节点分类任务的基准数据集上的性能。其次,为GraphSAGE实现了一种新的注意力聚合器,并与现有的GCN方法以及GraphSAGE提供的其他聚合器的性能进行了比较。
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引用次数: 1
Object Detection and Segmentation in Chest X-rays for Tuberculosis Screening 胸片结核筛查中的目标检测与分割
Pub Date : 2020-09-01 DOI: 10.1109/TransAI49837.2020.00011
Terence Griffin, Yu Cao, Benyuan Liu, M. Brunette
Tuberculosis (TB) is a contagious disease leading to the deaths of approximately 2 million people annually. Providing healthcare professionals with better information, at a faster pace, is essential for combating this disease, especially in Low and Middle Income Countries with resource-constrained health systems. In this paper we describe how using convolution neural networks (CNNs) with an object level annotated dataset of chest X-rays (CXRs) allows us to identify the location of pulmonary issues indicative of TB. We compare the performance of Faster R-CNN, Mask R-CNN, and Cascade versions of each, demonstrating reasonable results with a small dataset. We present a method to reduce the false positive rate by comparing the location of a detected object with the known location of areas where the detected class is likely to occur in the lung. Our results show that with a dataset of high-quality, object level annotations, object detection and segmentation of CXRs is possible and could be used as part of an automated TB screening process. This work has the potential to improve the speed of TB diagnosis, if implemented within the corresponding health care system and adapted to existing clinical worktlows.
结核病是一种传染病,每年导致约200万人死亡。以更快的速度向卫生保健专业人员提供更好的信息对于防治这一疾病至关重要,特别是在卫生系统资源有限的低收入和中等收入国家。在本文中,我们描述了如何使用卷积神经网络(cnn)与胸部x射线(cxr)的对象级注释数据集,使我们能够识别指示结核病的肺部问题的位置。我们比较了每个版本的Faster R-CNN, Mask R-CNN和Cascade版本的性能,用小数据集展示了合理的结果。我们提出了一种方法,通过比较检测对象的位置与已知位置的区域,其中检测类很可能发生在肺部,以减少假阳性率。我们的研究结果表明,有了高质量的对象级注释数据集,cxr的对象检测和分割是可能的,并且可以用作自动化结核病筛查过程的一部分。如果在相应的卫生保健系统内实施并适应现有的临床工作流程,这项工作有可能提高结核病诊断的速度。
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引用次数: 2
Regions Discovery Algorithm for Pathfinding in Grid Based Maps 网格地图中寻路的区域发现算法
Pub Date : 2020-09-01 DOI: 10.1109/TransAI49837.2020.00018
Ying Fung Yiu, R. Mahapatra
Pathfinding problems often have to be solved under many constraints including limited processing time, memory, and computational power. The challenges become bigger as the size and complexity of the search space increase. Therefore, pathfinding on large and complex maps can result in performance bottlenecks. Researchers proposed to reduce the search space using preprocessing techniques such as hierarchical pathfinding to overcome the bottlenecks. In this paper we present a novel graph partition technique to boost the speed of pathfinding and preserve optimality for grid based environments. To overcome the weaknesses of clustering methods that are used in traditional hierarchical pathfinding algorithms, we propose to develop a graph decomposition algorithm that abstracts regions based on local features. The objective of our approach is to maintain the pathfinding optimality by only eliminating the regions that are obsolete. Thus, any possible solution path will not be eliminated during the search. Our experiment results show that a search space can be reduced as much as 47%, leading to much faster execution and less memory consumption.
寻径问题通常需要在许多限制条件下解决,包括有限的处理时间、内存和计算能力。随着搜索空间的规模和复杂性的增加,挑战也变得越来越大。因此,在大型和复杂的映射上寻路可能会导致性能瓶颈。研究人员提出利用分层寻径等预处理技术来减少搜索空间以克服瓶颈。在本文中,我们提出了一种新的图划分技术,以提高寻路速度并保持网格环境的最优性。为了克服传统分层寻径算法中聚类方法的缺点,我们提出了一种基于局部特征抽象区域的图分解算法。我们方法的目标是通过消除过时的区域来保持寻路的最优性。因此,在搜索过程中,任何可能的解路径都不会被消除。我们的实验结果表明,搜索空间可以减少多达47%,从而导致更快的执行速度和更少的内存消耗。
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引用次数: 3
Financial Crime & Fraud Detection Using Graph Computing: Application Considerations & Outlook 使用图形计算的金融犯罪和欺诈检测:应用考虑与展望
Pub Date : 2020-09-01 DOI: 10.1109/TransAI49837.2020.00029
Eren Kurshan, Honda Shen, Haojie Yu
In recent years, the unprecedented growth in digital payments fueled consequential changes in fraud and financial crimes. In this new landscape, traditional fraud detection approaches such as rule-based engines have largely become ineffective. AI and machine learning solutions using graph computing principles have gained significant interest. Graph neural networks and emerging adaptive solutions provide compelling opportunities for the future of fraud and financial crime detection. However, implementing the graph-based solutions in financial transaction processing systems has brought numerous obstacles and application considerations to light. In this paper, we overview the latest trends in the financial crimes landscape and discuss the implementation difficulties current and emerging graph solutions face. We argue that the application demands and implementation challenges provide key insights in developing effective solutions.
近年来,数字支付的空前增长推动了欺诈和金融犯罪的重大变化。在这种新的情况下,传统的欺诈检测方法,如基于规则的引擎,在很大程度上已经变得无效。使用图计算原理的人工智能和机器学习解决方案获得了极大的兴趣。图神经网络和新兴的自适应解决方案为未来的欺诈和金融犯罪检测提供了令人信服的机会。然而,在金融事务处理系统中实现基于图的解决方案带来了许多障碍和应用方面的考虑。在本文中,我们概述了金融犯罪领域的最新趋势,并讨论了当前和新兴图形解决方案面临的实施困难。我们认为,应用程序需求和实现挑战为开发有效的解决方案提供了关键的见解。
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引用次数: 13
Return to Bali 返回巴厘岛
Pub Date : 2020-09-01 DOI: 10.1109/TransAI49837.2020.00020
M. Böhlen, W. Sujarwo
this paper gives an overview of the project Return to Bali that seeks to create a living dataset of ethnobotanically significant flora on the island of Bali and new methods through which underrepresented forms of knowledge can be documented, shared and made compatible within the logics of machine learning.
本文概述了“返回巴厘岛”项目,该项目旨在创建巴厘岛上具有民族植物学意义的植物群的活数据集,并通过新方法将未被充分代表的知识形式记录、共享,并在机器学习逻辑中实现兼容。
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引用次数: 1
Design and Analysis of Mobile App for Large-Scale Cyber-Argumentation 大型网络辩论移动App的设计与分析
Pub Date : 2020-09-01 DOI: 10.1109/TransAI49837.2020.00013
Najla Althuniyan, J. Sirrianni, Md Mahfuzer Rahman, X. Liu
People from different backgrounds share opinions about various issues over the Internet. The resulted discussions contain substantial information, from which we can derive the collective intelligence and the crowd wisdom. Several argumentation platforms have been developed to enable online deliberations with large-scale in-depth argumentation for effective online discussions. These platforms host structured argumentation networks that allow complex analytical models to mine the argumentation for collective intelligence. However, not all of those argumentation platforms were developed mobile applications. In this paper, we contribute with the design of a mobile application for cyber-argumentation. This mobile application supports intelligent cyber-argumentation and large-scale discussions and provides meaningful analytics on mobile devices. The platform has incorporated several analytical models to capture collective opinions, detect opinion polarization, and predict missing user opinions. An example is used to illustrate our design and models, and a system usability study of our application is presented. This application is an initial step to bring the multi-sided argumentation and deliberation into handheld devices and shows the potential in bringing multi-sided large-scale cyber-argumentation into the limited screen sizes platforms.
来自不同背景的人在互联网上分享对各种问题的看法。讨论结果包含了大量的信息,从中我们可以获得集体智慧和群体智慧。开发了多个辩论平台,实现了在线讨论,进行了大规模的深入辩论,有效地进行了在线讨论。这些平台拥有结构化的论证网络,允许复杂的分析模型挖掘集体智慧的论证。然而,并非所有这些辩论平台都是移动应用程序开发的。在本文中,我们设计了一个用于网络辩论的移动应用程序。这个移动应用程序支持智能网络论证和大规模讨论,并在移动设备上提供有意义的分析。该平台整合了几个分析模型来捕捉集体意见,检测意见两极分化,并预测缺失的用户意见。通过一个实例说明了我们的设计和模型,并对我们的应用程序进行了系统可用性研究。该应用程序是将多方辩论和审议带入手持设备的第一步,显示了将多方大规模网络辩论带入有限屏幕尺寸平台的潜力。
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引用次数: 0
期刊
2020 Second International Conference on Transdisciplinary AI (TransAI)
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