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Assessing the spread risk of COVID-19 associated with multi-mode transportation networks in China

Fundamental Research 2023年第2期3卷 305-310页

作者： Xiao-Ke Xu Xiao Fan Liu Lin Wang Ye Wu Xin Lu Xianwen Wang Sen Pei College of Information and Communication Engineering Dalian Minzu UniversityDalian 116600China Web Mining Laboratory Department of Media and CommunicationCity University of Hong KongHong Kong SARChina Department of Genetics University of CambridgeCambridge CB23EHUK School of Information Engineering Putian UniversityPutian 351100China School of Journalism and Communication Beijing Normal UniversityBeijing 100875China College of Systems Engineering National University of Defense TechnologyChangshaChina Department of Global Public Health Karolinska InstituteStockholmSweden WISE Lab Faculty of Humanities and Social SciencesDalian University of TechnologyDalian 116085China Department of Environmental Health Sciences Mailman School of Public HealthColumbia UniversityNew YorkNY 10032USA

The spatial spread of COVID-19 during early 2020 in China was primarily driven by outbound travelers leaving the epicenter,Wuhan,Hubei *** studies focus on the influence of aggregated out-bound population flows originating from Wuhan;however,the impacts of different modes of transportation and the network structure of transportation systems on the early spread of COVID-19 in China are not well ***,we assess the roles of the road,railway,and air transportation networks in driving the spatial spread of COVID-19 in *** find that the short-range spread within Hubei province was dominated by ground traffic,notably,the railway *** contrast,long-range spread to cities in other provinces was mediated by multiple factors,including a higher risk of case importation associated with air transportation and a larger outbreak size in hub cities located at the center of transportation *** further show that,although the dissemination of SARS-CoV-2 across countries and continents is determined by the worldwide air transportation network,the early geographic dispersal of COVID-19 within China is better predicted by the railway *** the recent emergence of multiple more transmissible variants of SARS-CoV-2,our findings can support a better assessment of the spread risk of those variants and improve future pandemic preparedness and responses.

关键词： Complex network Human mobility COVID-19 Spatial spread Transportation networks

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Technology Roadmap for Flexible Sensors

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ACS NANO 2023年第6期17卷 5211-5295页

作者： Luo, Yifei Abidian, Mohammad Reza Ahn, Jong-Hyun Akinwande, Deji Andrews, Anne M. Antonietti, Markus Bao, Zhenan Berggren, Magnus Berkey, Christopher A. Bettinger, Christopher John Chen, Jun Chen, Peng Cheng, Wenlong Cheng, Xu Choi, Seon-Jin Chortos, Alex Dagdeviren, Canan Dauskardt, Reinhold H. Di, Chong-an Dickey, Michael D. Duan, Xiangfeng Facchetti, Antonio Fan, Zhiyong Fang, Yin Feng, Jianyou Feng, Xue Gao, Huajian Gao, Wei Gong, Xiwen Guo, Chuan Fei Guo, Xiaojun Hartel, Martin C. He, Zihan Ho, John S. Hu, Youfan Huang, Qiyao Huang, Yu Huo, Fengwei Hussain, Muhammad M. Javey, Ali Jeong, Unyong Jiang, Chen Jiang, Xingyu Kang, Jiheong Karnaushenko, Daniil Khademhosseini, Ali Kim, Dae-Hyeong Kim, Il-Doo Kireev, Dmitry Kong, Lingxuan Lee, Chengkuo Lee, Nae-Eung Lee, Pooi See Lee, Tae-Woo Li, Fengyu Li, Jinxing Liang, Cuiyuan Lim, Chwee Teck Lin, Yuanjing Lipomi, Darren J. Liu, Jia Liu, Kai Liu, Nan Liu, Ren Liu, Yuxin Liu, Yuxuan Liu, Zhiyuan Liu, Zhuangjian Loh, Xian Jun Lu, Nanshu Lv, Zhisheng Magdassi, Shlomo Malliaras, George G. Matsuhisa, Naoji Nathan, Arokia Niu, Simiao Pan, Jieming Pang, Changhyun Pei, Qibing Peng, Huisheng Qi, Dianpeng Ren, Huaying Rogers, John A. Rowe, Aaron Schmidt, Oliver G. Sekitani, Tsuyoshi Seo, Dae-Gyo Shen, Guozhen Sheng, Xing Shi, Qiongfeng Someya, Takao Song, Yanlin Stavrinidou, Eleni Su, Meng Sun, Xuemei Takei, Kuniharu Tao, Xiao-Ming Tee, Benjamin C. K. Thean, Aaron Voon-Yew Trung, Tran Quang Wan, Changjin Wang, Huiliang Wang, Joseph Wang, Ming Wang, Sihong Wang, Ting Wang, Zhong Lin Weiss, Paul S. Wen, Hanqi Xu, Sheng Xu, Tailin Yan, Hongping Yan, Xuzhou Yang, Hui Yang, Le Yang, Shuaijian Yin, Lan Yu, Cunjiang Yu, Guihua Yu, Jing Yu, Shu-Hong Yu, Xinge Zamburg, Evgeny Zhang, Haixia Zhang, Xiangyu Zhang, Xiaosheng Zhang, Xueji Zhang, Yihui Zhang, Yu Zhao, Siyuan Zhao, Xuanhe Zheng, Yuanjin Zheng, Yu-Qing Zheng, Zijian Zhou, Tao Zhu, Bowen Zhu, Ming Zhu, Rong Zhu, Yangzhi Zhu, Yong Zou, Guijin Chen, Xiaodong 08-03 Innovis Singapore 138634 Republic of Singapore Innovative Centre for Flexible Devices (iFLEX) School of Materials Science and Engineering Nanyang Technological University Singapore 639798 Singapore Department of Biomedical Engineering University of Houston Houston Texas 77024 United States School of Electrical and Electronic Engineering Yonsei University Seoul 03722 Republic of Korea Department of Electrical and Computer Engineering The University of Texas at Austin Austin Texas 78712 United States Microelectronics Research Center The University of Texas at Austin Austin Texas 78758 United States Department of Chemistry and Biochemistry California NanoSystems Institute and Department of Psychiatry and Biobehavioral Sciences Semel Institute for Neuroscience and Human Behavior and Hatos Center for Neuropharmacology University of California Los Angeles Los Angeles California 90095 United States Colloid Chemistry Department Max Planck Institute of Colloids and Interfaces 14476 Potsdam Germany Department of Chemical Engineering Stanford University Stanford California 94305 United States Laboratory of Organic Electronics Department of Science and Technology Campus Norrköping Linköping University 83 Linköping Sweden Wallenberg Initiative Materials Science for Sustainability (WISE) and Wallenberg Wood Science Center (WWSC) SE-100 44 Stockholm Sweden Department of Materials Science and Engineering Stanford University Stanford California 94301 United States Department of Biomedical Engineering and Department of Materials Science and Engineering Carnegie Mellon University Pittsburgh Pennsylvania 15213 United States Department of Bioengineering University of California Los Angeles Los Angeles California 90095 United States School of Chemistry Chemical Engineering and Biotechnology Nanyang Technological University Singapore 637457 Singapore Nanobionics Group Department of Chemical and Biological Engineering Monash University Clayton Australia 3800 Monash

Humans rely increasingly on sensors to address grand challenges and to improve quality of life in the era of digitalization and big data. For ubiquitous sensing, flexible sensors are developed to overcome the limitations of conventional rigid counterparts. Despite rapid advancement in bench-side research over the last decade, the market adoption of flexible sensors remains limited. To ease and to expedite their deployment, here, we identify bottlenecks hindering the maturation of flexible sensors and propose promising solutions. We first analyze continued...challenges in achieving satisfactory sensing performance for real-world applications and then summarize issues in compatible sensor-biology interfaces, followed by brief discussions on powering and connecting sensor networks. Issues en route to commercialization and for sustainable growth of the sector are also analyzed, highlighting environmental concerns and emphasizing nontechnical issues such as business, regulatory, and ethical considerations. Additionally, we look at future intelligent flexible sensors. In proposing a comprehensive roadmap, we hope to steer research efforts towards common goals and to guide coordinated development strategies from disparate communities. Through such collaborative

关键词： soft materials mechanics engineering flexible electronics conformable sensors bioelectronics human-machine interfaces body area sensor networks technology translation sustainable electronics

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Interaction design for multi-touch interactive walls

Interaction design for multi-touch interactive walls

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2nd International Conference on Intelligent systems Design and engineering Applications, ISDEA 2012

作者： Chen, Wang Lao, Song-Yang Lee, Hyowon Smeaton, Alan F. Science and Technology on Information Systems Engineering Laboratory College of Information System and Management National University of Defense Technology Changsha Hunan 410073 China CLARITY: Centre for Sensor Web Technologies Dublin City University Glasnevin Dublin 9 Ireland

ISBN: (纸本)9780769546087

In recent times, following the increasing affordability of large-scale display and multi-touch technologies, the market has seen the development and increasing deployment of multi-touch interactive walls. This new medium offers a unique mix of information density, direct interactivity, and collaboration support, and these new features have radical effects on the interaction design for the multi-touch wall device. Designers and developers of the interaction on these walls encounter several new conceptual, methodological, and technical challenges. In this paper, we examine and explore the research issues at three of these interaction design aspects namely multi-touch input, user interface and co-located collaboration. We use the real world scenario of IT management as a working domain to illustrate our proposed solutions and we propose some design suggestions based on our own approach to those issues. © 2012 IEEE.

关键词： User interfaces

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Recognition of walking intention using multiple bio/kinesthetic sensors for lower limb exoskeletons

Recognition of walking intention using multiple bio/kinesthe...

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作者： Jang, Eun-Hye Cho, Young-Jo Chi, Su-Young Lee, Jae-Yeon Kang, Sang Seung Chun, Byung-Tae Robot/Cognition System Research Department IT Convergence Technology Research Laboratory Electronics and Telecommunications Research Institute Daejeon Korea Republic of Department of Web Information Engineering Hankyong National University Ansung Korea Republic of

ISBN: (纸本)9781424474530

In order to assist the lower limb disabled people to walk, walking-support exoskeletons with bio/kinesthetic sensors such as EMG (Electromyography), gyroscope, and FSR (Force Sensing Resistor) have been developed. It is important to implicitly recognize the walking intention and control the walking-support mechanism. The objective of this work is to examine the walking intention while a person is walking with Lofstrand crutches by analyzing multiple bio/kinesthetic sensor signals. We developed watch/glove and shoe-insoles sensor modules using FSR sensors to recognize the user's walking states as well as intention to walk. The FSR signals measuring force at the palm and Gyro sensor signals reflecting the pose of the upper limb were used as clues for recognizing walking intention. While seventeen normal subjects walked for five gate cycles based on the triped walking (i.e., placing crutches in forward and then moving one step ) with crutches, the FSR and Gyro signals were acquired from their palms and area of vertebrae lumbales. The result showed that the combination of FSR and Gyro signals could recognize user's implicit intention to walk - start walking, keep walking, and stop walking. ©ICROS.

关键词： Electromyography

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Recognition of walking intention using multiple bio/kinesthetic sensors for lower limb exoskeletons

Recognition of walking intention using multiple bio/kinesthe...

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International Conference on Control, Automation and systems ( ICCAS)

作者： Eun-Hye Jang Young-Jo Cho Su-Young Chi Jae-Yeon Lee Sang Seung Kang Byung-Tae Chun Robot/Cognition System Research Department IT Convergence Technology Research Laboratory Electronics and Telecommunications Research Institute Daejeon South Korea Department of Web Information Engineering Hankyong National University Ansung South Korea

In order to assist the lower limb disabled people to walk, walking-support exoskeletons with bio/kinesthetic sensors such as EMG (Electromyography), gyroscope, and FSR (Force Sensing Resistor) have been developed. It is important to implicitly recognize the walking intention and control the walking-support mechanism. The objective of this work is to examine the walking intention while a person is walking with Lofstrand crutches by analyzing multiple bio/kinesthetic sensor signals. We developed watch/glove and shoe-insoles sensor modules using FSR sensors to recognize the user's walking states as well as intention to walk. The FSR signals measuring force at the palm and Gyro sensor signals reflecting the pose of the upper limb were used as clues for recognizing walking intention. While seventeen normal subjects walked for five gate cycles based on the triped walking (i.e., placing crutches in forward and then moving one step) with crutches, the FSR and Gyro signals were acquired from their palms and area of vertebrae lumbales. The result showed that the combination of FSR and Gyro signals could recognize user's implicit intention to walk - start walking, keep walking, and stop walking.

关键词： Legged locomotion Wearable sensors Robot sensing systems Foot Biosensors

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Regularized Iterative Restoration of Combined Optical and Color Filter Array Degradation

Regularized Iterative Restoration of Combined Optical and Co...

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International Conference on Future Generation Communication and Networking Symposia, FGCNS

作者： Yoonjong Yoo Sinyoung Jun Jeongho Shin Joonki Paik Image Processing and Intelligent System Laboratory Department of Advanced Imaging Graduate School of Advanced Imaging Science Multimedia and Film Chung-Ang University Seoul South Korea Department of Web information Engineering Hankyong National University Gyeonggi South Korea

This paper presents an image formation model of a digital camera with consideration of both optical and the Bayer color filter array (CFA) degradations. Based on the proposed model, a regularized iterative image restoration algorithm is presented to deconvolve the space-variant image degradation. The spatially adaptive version further improves the restoration quality. Hardware implementation issues are briefly summarized, and future modification plan is presented.

关键词： Optical filters Optical arrays Degradation Image restoration Interpolation Color Cameras Deconvolution Lenses Optical films

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Spatially Adaptive Image Restoration and its FIR Implementation

Spatially Adaptive Image Restoration and its FIR Implementat...

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International Conference on Future Generation Communication and Networking Symposia, FGCNS

作者： Jinyoung Youn Younguk Park Jeongho Shin Joonki Paik Image Processing and Intelligent System Laboratory Graduate School of Advanced Imaging Science Department of Advanced Imaging Multimedia and Film Chung-Ang University Seoul South Korea Department of Web information Engineering Hankyong National University Gyeonggi South Korea

This paper presents a spatially adaptive image restoration for EDoF lens images. A practical implementation method is also discussed for real-time applications. For basic image restoration we adopt the truncated constrained least squares (TCLS) filter, and for adaptively selecting the weights of the observed and the restored images we compute local variance. Based on experimental results, we can claim that the proposed restoration algorithm can successfully remove the image degradation with suppressing noise amplification.

关键词： Image restoration Finite impulse response filter Degradation Lenses Least squares methods Adaptive filters Image processing Conferences Adaptive systems Intelligent systems

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Reflections on modelling vagueness in description logics 2

Reflections on modelling vagueness in description logics

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2nd ISWC Workshop on Uncertainty Reasoning for the Semantic web, URSW 2006

作者： Schockaert, Steven Victor, Patricia Houben, Geert-Jan Cornelis, Chris De Cock, Martine Kerre, Etienne Department of Applied Mathematics and Computer Science Ghent University Belgium Web and Information System Engineering Laboratory Vrije Universiteit Brussel Belgium

Description logics are a popular, and widely used, formalism for describing domain knowledge in a structured way. To cope with the vagueness of real-world knowledge, several fuzzy description logics have already been proposed. In this contribution, we argue that, rather than modelling all vagueness in a generalized description logic, it may be more natural to encode vague attributes in concrete domains [1], and to model vague predicates on the level of query processing.

关键词： Data description

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Editorial

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International Journal of web engineering and Technology 2005年第2-3期2卷 145-147页

作者： Frasincar, Flavius Houben, Geert-Jan Van Ossenbruggen, Jacco Eindhoven University of Technology PO Box 513 NL-5600 MB Eindhoven Netherlands Centrum voor Wiskunde en Informatica PO Box 94079 NL-1090 GB Amsterdam Netherlands Department of Information Systems Erasmus University Rotterdam Netherlands Department of Information Systems Vrije Universiteit Brussel Belgium WISE Laboratory for Web and Information System Engineering Netherlands Technische Universiteit Eindhoven Netherlands CWI Netherlands Multimedia and Human-computer Interaction Group Netherlands

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Towards distributed processing of RDF path queries

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International Journal of web engineering and Technology 2005年第2-3期2卷 207-230页

作者： Stuckenschmidt, Heiner Vdovjak, Richard Broekstra, Jeen Houben, Geert-Jan Vrije Universiteit Amsterdam de Boelelaan 1081 a 1081HV Amsterdam Netherlands Technische Universiteit Eindhoven Den Dolech 2 5612 AZ Eindhoven Netherlands Aduna Prinses Julianaplein 14 b 3817 CS Amersfoort Netherlands Knowledge Representation and Reasoning Group Vrije Universiteit Amsterdam Netherlands Knowledge Representation and Reasoning Group Vrije Universiteit Amsterdam Netherlands Aduna Netherlands Department of Information Systems Vrije Universiteit Brussel Belgium WISE Laboratory for Web and Information System Engineering Netherlands Netherlands

A technical infrastructure for storing, querying and managing RDF data is a key element in the current semantic web development. systems like Jena, Sesame or the ICS-FORTH RDF Suite are widely used for building semantic web applications. Currently, none of these systems support the integrated querying of distributed RDF repositories. We consider this a major shortcoming since the semantic web is distributed by nature. In this paper we present an architecture for querying distributed RDF repositories by extending the existing Sesame system. We discuss the implications of our architecture and propose an index structure as well as algorithms for query processing and optimisation in such a distributed context. Copyright © 2005 Inderscience Enterprises Ltd.

关键词： Query languages

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