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2020 IEEE 21st International Conference on Information Reuse and Integration for Data Science : IRI 2020 : proceedings : virtual conference, 11-13 August 2020. IEEE International Conference on Information Reuse and Integration (21st : 2...最新文献

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A Water Quality Research Platform for the Near-real-time Buoy Sensor Data 近实时浮标传感器水质研究平台
Maria E. Presa-Reyes, B. Bogosian, Bradley Schonhoff, Christopher Jerauld, Christian Moreyra, P. Gardinali, Shu‐Ching Chen
Maintaining environmental sustainability relies on continuously monitoring environmental conditions. Water is an environmental component essential to the survival of all living organisms; hence, to prevent contamination and ensure proper water treatment, persistent observations and measurements of water quality are crucial. Traditionally, the procedure for testing the quality of water involved traveling to designated testing sites, manually collecting surface samples, transporting said samples to a laboratory for analysis, analyzing chemicals and microbial contaminants, and publishing the findings with the community. The technological advances in wireless sensor networks bring forth the opportunity for remote measurement and monitoring of water samples. Not only is the presence of the scientist no longer mandatory on the testing site, but the data can also be automatically collected, visualized, monitored, and shared through sensor recordings. These transitions exhibit a much fine-grained level of spatio-temporal information collection and allow for more comprehensive and long-term studies. Three research buoys, designed to be deployed in both shallow freshwater ecosystems and near-shore marine environments, were launched in different locations of South Florida to tackle complex challenges of environmental contamination. The research presented here designs and deploys a water quality monitoring platform for allowing the scientists to analyze better the near-real-time data collected by the buoys and generate insights. We further demonstrate two engaging near-real-time visualization methods developed to disseminate data trends and findings to a wide range of audiences from diverse backgrounds.
维持环境的可持续性依赖于对环境状况的持续监测。水是所有生物生存所必需的环境要素;因此,为了防止污染和确保适当的水处理,持续观察和测量水质是至关重要的。传统上,测试水质的程序包括前往指定的测试地点,人工收集地表样本,将样本运送到实验室进行分析,分析化学物质和微生物污染物,并向社区公布结果。无线传感器网络的技术进步为水样的远程测量和监测提供了机会。不仅科学家不再必须出现在测试现场,而且数据也可以通过传感器记录自动收集、可视化、监控和共享。这些转换表现出更细粒度的时空信息收集水平,并允许更全面和长期的研究。三个研究浮标,旨在部署在浅层淡水生态系统和近岸海洋环境,在南佛罗里达州的不同地点发射,以应对环境污染的复杂挑战。这里展示的研究设计并部署了一个水质监测平台,使科学家能够更好地分析浮标收集的近实时数据并产生见解。我们进一步展示了两种引人入胜的近实时可视化方法,这些方法用于向来自不同背景的广泛受众传播数据趋势和发现。
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引用次数: 1
The EGRBAC Model for Smart Home IoT 智能家居物联网的EGRBAC模型
Safwa Ameer, James O. Benson, R. Sandhu
The Internet of Things (IoT) is enabling smart houses, where multiple users with complex social relationships interact with smart devices. This requires sophisticated access control specification and enforcement models, that are currently lacking. In this paper, we introduce the extended generalized role based access control (EGRBAC) model for smart home IoT. We provide a formal definition for EGRBAC and illustrate its features with a use case. A proof-of-concept demonstration utilizing AWS-IoT Greengrass is discussed in the appendix. EGRBAC is a first step in developing a comprehensive family of access control models for smart home IoT.
物联网(IoT)正在实现智能住宅,其中多个具有复杂社交关系的用户与智能设备进行交互。这需要复杂的访问控制规范和实施模型,而这是目前所缺乏的。本文介绍了智能家居物联网的扩展广义角色访问控制(EGRBAC)模型。我们为EGRBAC提供了一个正式的定义,并用一个用例说明了它的特性。附录中讨论了利用AWS-IoT Greengrass的概念验证演示。EGRBAC是为智能家居物联网开发全面访问控制模型系列的第一步。
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引用次数: 16
Towards an Accountability Suggestion Map for Supporting Information Systems Management Based on Systems Thinking 基于系统思维支持信息系统管理的问责建议图
Felipe Cordeiro de Paula, Aline Vasconcelos, R. Santos, P. Lago
Understanding and analyzing relationships among information systems (IS) and different stakeholders can be challenging to decision-making in IS management. In this context, accountability becomes critical, since it comprises responsible actions as well as their results considering regulations and sanctions. To cope with such a requirement, systems thinking (ST) can be used for conducting analysis, synthesis, and inquiry into the system's parts and the whole. We argue that applying ST lens to IS management may improve accountability and then decision-making. Therefore, we propose the accountability suggestion map (ASM) as an approach to cover users’ feedbacks aiming to promote accountability in IS management. This paper (1) presents ASM as a structure for representing systemic behaviors over time and then accountability suggestions, and (2) reports the application of ASM in an organizational scenario in the education domain. It was chosen since it encompasses management challenges, e.g., different IS must interoperate, each one with its own objective and within organizational units. As such, we analyzed two diagrams addressing daily issues regarding the absence of teachers and school evasion rates, respectively. We claim that ASM contributes to describe the environment and provide a set of suggestions to mitigate daily issues.
理解和分析信息系统(IS)和不同利益相关者之间的关系对信息系统管理中的决策具有挑战性。在这方面,问责制至关重要,因为它包括负责任的行动以及考虑到条例和制裁的结果。为了应对这样的需求,系统思维(ST)可以用于对系统的部分和整体进行分析、综合和探究。我们认为,将ST镜头应用于IS管理可以提高问责制,进而提高决策。因此,我们提出问责建议图(ASM)作为覆盖用户反馈的方法,旨在促进信息系统管理的问责。本文(1)将ASM描述为一种代表系统行为的结构,然后是问责建议;(2)报告了ASM在教育领域组织场景中的应用。之所以选择它,是因为它包含了管理方面的挑战,例如,不同的信息系统必须相互操作,每一个都有自己的目标,并且在组织单位内。因此,我们分析了两个图表,分别处理了关于教师缺勤和逃学率的日常问题。我们声称ASM有助于描述环境,并提供一组建议来减轻日常问题。
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引用次数: 3
Identifying Feature Pattern for Weighted Imbalance Data: A Feature Selection Study for Thoracolumbar Spine Fractures in Crash Injury Research 确定加权不平衡数据的特征模式:碰撞损伤研究中胸腰椎骨折的特征选择研究
Paromita Nitu, P. Madiraju, F. Pintar
In motor vehicle crash study, spine injury investigation has a greater impact due to the serious physical, mental and financial consequences. Even though spine fracture deteriorates the quality of life significantly, to the best of our knowledge, there is no study that searched for the exhaustive thoracolumbar spine fracture(TL-fx) feature space to discover potential feature pattern in the motivation of illustrating the increasing risk phenomenon as a function of vehicle model year. This study investigates National Automotive Sampling System Crashworthiness (NASS-CDS) database, year 2000 to 2015. Each year, approximately 4000 to 6000(weighted) occupants are diagnosed with one or multiple TL-fx in road crashes. Even though the TL-fx data support is less than 1.6%, a two-fold feature selection model in a combination of random forest and lift measure based Apriori algorithm generates insightful association rules yielding prominent feature patterns and promotes further investigation to build causal model for the TL-fx study.
在机动车碰撞研究中,脊柱损伤的调查由于其严重的身体、精神和经济后果而具有较大的影响。尽管脊柱骨折会显著恶化生活质量,但据我们所知,目前还没有研究寻找穷举胸腰椎脊柱骨折(TL-fx)特征空间来发现潜在的特征模式,以说明风险增加现象作为汽车车型年的函数。本研究调查了2000年至2015年国家汽车抽样系统耐撞性(NASS-CDS)数据库。每年,约有4000至6000名(加权)乘员在道路交通事故中被诊断出患有一种或多种TL-fx。尽管TL-fx的数据支持度低于1.6%,但结合随机森林和基于提升测度的Apriori算法的双重特征选择模型产生了深刻的关联规则,产生了突出的特征模式,并促进了进一步的研究,为TL-fx的研究建立了因果模型。
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引用次数: 1
Privacy-Preserving and Efficient Sharing of Drone Videos in Public Safety Scenarios using Proxy Re-encryption 基于代理重加密的公共安全场景下无人机视频的隐私保护和高效共享
Khaled Rabieh, Suat Mercan, K. Akkaya, Vashish Baboolal, R. S. Aygün
Unmanned Aerial Vehicles (UAVs) also known as drones are being used in many applications where they can record or stream videos. One interesting application is the Intelligent Transportation Systems (ITS) and public safety applications where drones record videos and send them to a control center for further analysis. These videos are shared by various clients such as law enforcement or emergency personnel. In such cases, the recording might include faces of civilians or other sensitive information that might pose privacy concerns. While the video can be encrypted and stored in the cloud that way, it can still be accessed once the keys are exposed to third parties which is completely insecure. To prevent such insecurity, in this paper, we propose proxy re-encryption based sharing scheme to enable third parties to access only limited videos without having the original encryption key. The costly pairing operations in proxy re-encryption are not used to allow rapid access and delivery of the surveillance videos to third parties. The key management is handled by a trusted control center, which acts as the proxy to re-encrypt the data. We implemented and tested the approach in a realistic simulation environment using different resolutions under ns-3. The implementation results and comparisons indicate that there is an acceptable overhead while it can still preserve the privacy of drivers and passengers.
无人驾驶飞行器(uav)也被称为无人机,在许多应用中使用,它们可以录制或流媒体视频。一个有趣的应用是智能交通系统(ITS)和公共安全应用,其中无人机录制视频并将其发送到控制中心进行进一步分析。这些视频由执法人员或应急人员等各种客户共享。在这种情况下,录音可能包括平民的面孔或其他可能引起隐私问题的敏感信息。虽然视频可以通过这种方式加密并存储在云端,但一旦密钥暴露给第三方,它仍然可以被访问,这是完全不安全的。为了防止这种不安全,本文提出了基于代理再加密的共享方案,使第三方在没有原始加密密钥的情况下只能访问有限的视频。代理重新加密中昂贵的配对操作不用于允许快速访问和向第三方提供监控视频。密钥管理由受信任的控制中心处理,该中心充当重新加密数据的代理。我们在ns-3下使用不同分辨率的现实模拟环境中实现并测试了该方法。实施结果和比较表明,在保证驾驶员和乘客隐私的前提下,系统开销在可接受范围内。
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引用次数: 4
Multi-Label Multi-Task Learning with Dynamic Task Weight Balancing 基于动态任务权重平衡的多标签多任务学习
Tianyi Wang, Shu‐Ching Chen
Data collected from real-world environments often contain multiple objects, scenes, and activities. In comparison to single-label problems, where each data sample only defines one concept, multi-label problems allow the co-existence of multiple concepts. To exploit the rich semantic information in real-world data, multi-label classification has seen many applications in a variety of domains. The traditional approaches to multi-label problems tend to have the side effects of increased memory usage, slow model inference speed, and most importantly the under-utilization of the dependency across concepts. In this paper, we adopt multi-task learning to address these challenges. Multi-task learning treats the learning of each concept as a separate job, while at the same time leverages the shared representations among all tasks. We also propose a dynamic task balancing method to automatically adjust the task weight distribution by taking both sample-level and task-level learning complexities into consideration. Our framework is evaluated on a disaster video dataset and the performance is compared with several state-of-the-art multi-label and multi-task learning techniques. The results demonstrate the effectiveness and supremacy of our approach.
从现实环境中收集的数据通常包含多个对象、场景和活动。与单标签问题(每个数据样本只定义一个概念)相比,多标签问题允许多个概念共存。为了挖掘真实数据中丰富的语义信息,多标签分类在各个领域得到了广泛的应用。处理多标签问题的传统方法往往具有内存使用量增加、模型推理速度慢以及最重要的是概念间依赖关系利用率不足等副作用。在本文中,我们采用多任务学习来解决这些挑战。多任务学习将每个概念的学习视为一项独立的工作,同时利用所有任务之间的共享表征。我们还提出了一种动态任务平衡方法,通过同时考虑样本级和任务级学习复杂性来自动调整任务权分布。我们的框架在灾难视频数据集上进行了评估,并与几种最先进的多标签和多任务学习技术进行了性能比较。结果证明了我们的方法的有效性和优越性。
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引用次数: 4
Post-Click Behaviors Enhanced Recommendation System 点击后行为增强推荐系统
Zhenhua Liang, Siqi Huang, Xueqing Huang, Rui Cao, Weize. Yu
To predict users’ interests, the traditional recommendation system (RS) relies on exploring the explicit user-item ratings and macro implicit feedbacks (e.g., whether or not a user clicks the item). In this work, fine-grained post-click behaviors (e.g., mouse behaviors, keyboard events, and page scrolling events) are integrated to alleviate the data sparsity problem of explicit feedback and the data accuracy problem of macro implicit feedback. In the deployed article recommendation pipeline, a variety of post-click behaviors are combined to create a reading pattern model. The reading patterns are leveraged by the recommendation system to estimate users’ preference levels. As compared with existing click-based (macro implicit feedback) and dwell time-based (single micro implicit feedback) recommendation systems, the test performance of our designed reading pattern-based RS has been significantly improved in terms of rating prediction and ranking.
为了预测用户的兴趣,传统的推荐系统(RS)依赖于探索显式的用户-物品评级和宏观的隐式反馈(例如,用户是否点击了该物品)。在这项工作中,细粒度的点击后行为(如鼠标行为、键盘事件和页面滚动事件)被集成,以缓解显式反馈的数据稀疏性问题和宏观隐式反馈的数据准确性问题。在部署的文章推荐管道中,各种点击后行为被组合起来创建一个阅读模式模型。推荐系统利用阅读模式来估计用户的偏好水平。与现有的基于点击(宏观隐式反馈)和基于停留时间(单个微隐式反馈)的推荐系统相比,我们设计的基于阅读模式的推荐系统在评分预测和排名方面的测试性能有了显著提高。
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引用次数: 4
Research on Online Impulsive Buying and Post-Purchase Dissonance 网络冲动购买与购后失调研究
Wen-Kuo Chen, Yen-Ling Lin, Hua-Sheng Pan, Cheng-Kun Chen
With the popularized of Internet and smart mobile devices, people nowadays can complete shopping process in seconds. Hence, consumers’ reliance toward online shopping is getting stronger. Yet, contrasting to the shopping experience in physical store, the chance of impulse buying and product return increases when consumers shops online. Subsequently, problems like post-purchase dissonance (e.g. emotion dissonance, product dissonance) arise as well. Therefore, in order to Figure out what causes impulse buying behavior and the relationship with cognitive dissonance, we adopt the concept from Powers and Jacks [1]. Also, despite of two shopping values as antecedents for impulse buying, we supplement time pressure from Tıgli and Kaytaz Yigit [2] as well. Consequently, we attach return tendency, which are to explore the effect of post-purchase dissonance. In this study, we conduct a survey and receive 155 valid response in total, and the result shows that time pressure and emotion dissonance are the main factors influence impulse buying. To sum up. our findings may be useful for retailers attempting to operate websites in e-commerce.
随着互联网和智能移动设备的普及,现在人们可以在几秒钟内完成购物过程。因此,消费者对网上购物的依赖越来越强。然而,与实体店的购物体验相比,消费者在网上购物时冲动购买和退货的机会增加了。随后,诸如购后失调(如情绪失调、产品失调)等问题也会出现。因此,为了弄清冲动购买行为的成因及其与认知失调的关系,我们采用了Powers and Jacks[1]的概念。此外,尽管有两个购物价值作为冲动购买的先决条件,我们也补充了Tıgli和Kaytaz Yigit[2]的时间压力。因此,本研究附加回归倾向,以探讨购后失调的影响。在本研究中,我们进行了一项调查,共收到155份有效回复,结果显示时间压力和情绪失调是影响冲动购买的主要因素。总而言之。我们的研究结果可能对试图在电子商务中运营网站的零售商有用。
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引用次数: 1
Ultra Wideband Indoor Positioning System based on Artificial Intelligence Techniques 基于人工智能技术的超宽带室内定位系统
Long Cheng, Zhaoqi Wu, Bo-Ya Lai, Qiang Yang, Anguo Zhao, Yuanting Wang
High-precision indoor positioning has nowadays emerged as a critical function for many applications. However, many existing indoor positioning systems either fail to achieve a high positioning accuracy or are very easily affected by indoor environments composed of many obstacles, preventing them from satisfying many application requirements. Ultra wideband (UWB) has recently drawn extensive attention in the field of indoor positioning due to its great ability to achieve high ranging and localization accuracy while minimizing the effect of multipath interference. Meanwhile, advanced artificial intelligence and signal processing techniques have been explored to improve the precision and performance of indoor positioning system. In this paper, a high-precision UWB indoor positioning system integrating artificial intelligence and signal processing techniques is designed. And field tests are also conducted to validate the design of the system.
如今,高精度室内定位已成为许多应用的关键功能。然而,现有的许多室内定位系统要么定位精度不高,要么容易受到室内环境障碍的影响,无法满足许多应用需求。超宽带(UWB)由于能够在最大限度地减少多径干扰的同时实现高测距和定位精度,近年来在室内定位领域受到了广泛的关注。同时,探索了先进的人工智能和信号处理技术,以提高室内定位系统的精度和性能。本文设计了一种集人工智能和信号处理技术于一体的高精度超宽带室内定位系统。并进行了现场试验,验证了系统的设计。
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引用次数: 10
Building the Body Image Conceptual Framework Based on the Theory of Planned Behavior (TPB) 基于计划行为理论的身体形象概念框架构建
Wen-Kuo Chen, Ying-Hsun Hung, Jun-Yu Zhong
The aim of this study is to identify structural relationships between aspects of body image and behavioral intention. The study uses the theory of planned behavior to identify the latent antecedents for individual intention to improve their body image by adopting a cross-sectional design and using questionnaires to collect data. Responses from 460 participants were analyzed using structural equation modeling (SEM) to examine the research hypotheses. The results demonstrate that internal and external factors were positively related to the belief formation mechanism, and that self-identity was positively related to body image dissatisfaction. Additionally, the belief formation mechanism influenced behavioral intention through the theory of planned behavior. These results provide some body image strategy priorities for the health and beauty industries. Moreover, it is important for the health and beauty industries to manage intentions through internal and external factors of body image, such as self-identity and the healthcare climate. Strong support was found for the proposed theoretical model. Implications for research and practice are also discussed.
本研究的目的是确定身体意象与行为意向之间的结构关系。本研究运用计划行为理论,通过横断面设计和问卷调查收集数据,来识别个体改善身体形象意图的潜在前因。使用结构方程模型(SEM)对460名参与者的回答进行分析,以检验研究假设。结果表明,内部因素和外部因素与信念形成机制正相关,自我认同与身体形象不满意正相关。此外,信念形成机制通过计划行为理论影响行为意向。这些结果为健康和美容行业提供了一些身体形象战略的优先事项。此外,对于健康和美容行业来说,通过身体形象的内部和外部因素(如自我认同和医疗环境)来管理意图是很重要的。提出的理论模型得到了强有力的支持。本文还讨论了对研究和实践的启示。
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引用次数: 2
期刊
2020 IEEE 21st International Conference on Information Reuse and Integration for Data Science : IRI 2020 : proceedings : virtual conference, 11-13 August 2020. IEEE International Conference on Information Reuse and Integration (21st : 2...
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