Results for 'Ke-yi Xu'

1000+ found
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  1.  37
    Gear Fault Diagnosis in Variable Speed Condition Based on Multiscale Chirplet Path Pursuit and Linear Canonical Transform.Xu Shuiqing, Zhang Ke, Chai Yi, He Yigang & Feng Li - 2018 - Complexity 2018:1-8.
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  2. Makesi zhu yi zhe xue yuan li jiao ke shu.Xiangfu Xu (ed.) - 1985 - [Changchun shi]: Jilin ren min chu ban she.
     
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  3.  7
    Xin de zhi xu: yi zhong xian xiang xue xin xue yan jiu de ke neng xing = Xin de zhixu: yizhong xianxiangxue yanjiu de kenengxing.Liangkang Ni - 2010 - Nanjing Shi: Jiangsu ren min chu ban she.
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  4. Makesi zhu yi zhe xue yuan li.Yi Qi, Bo Xu & Keqin Liu (eds.) - 1983 - Shenyang: Liaoning sheng xin hua shu dian fa xing.
     
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  5.  33
    The Relationship Between Posttraumatic Cognitive Change, Posttraumatic Stress Disorder, and Posttraumatic Growth Among Chinese Adolescents After the Yancheng Tornado: The Mediating Effect of Rumination.Yi Zhang, Wei Xu, Guangzhe Yuan & Yuanyuan An - 2018 - Frontiers in Psychology 9.
  6.  39
    Quantitative Susceptibility Mapping Reveals an Association between Brain Iron Load and Depression Severity.Shun Yao, Yi Zhong, Yuhao Xu, Jiasheng Qin, Ningning Zhang, Xiaolan Zhu & Yuefeng Li - 2017 - Frontiers in Human Neuroscience 11.
  7.  22
    Li shi xu wu zhu yi pi pan wen xuan.Bing Zhou (ed.) - 2018 - Beijing: Hong qi chu ban she.
    Ben shu fen wu ge zhuan ji,Xuan lu le wang wei guang,Zhang quan jing,Tian xin ming,Liang zhu,Li shen ming,Liu run wei,Zhou xin cheng deng fa biao zai deng qi kan shang de pi pan li shi xu wu zhu yi de wen zhang,Zhi zai yin dao guang da dang yuan gan bu shen ke ren shi li shi xu wu zhu yi de wei hai,Shi zhong jian chi wei wu shi guan,Jian jue fan dui li shi xu wu zhu yi.
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  8.  11
    The Diminishing Effect of Transformational Leadership on the Relationship Between Task Characteristics, Perceived Meaningfulness, and Work Engagement.Fanxing Meng, Yi Wang, Wenying Xu, Junhui Ye, Lin Peng & Peng Gao - 2020 - Frontiers in Psychology 11.
    The topic of employee work engagement in the public sector has attracted broad attention because it is critical to the efficiency and effectiveness of public services. Based on the Job Characteristics Model and the Integrative Theory of Employee Engagement, the present research adopts a multilevel design to examine a moderated mediation model in which task characteristics and social context jointly impact employee work engagement via individual perception of meaningfulness in work. A total of 349 grassroots police officers from 35 police (...)
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  9.  24
    Size-dependent melting of ice in mesoporous silica.Yanling Lu, Yi Liu, Yunbo Xu, Lianwen Wang & Jiangong Li - 2013 - Philosophical Magazine 93 (15):1827-1842.
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  10.  42
    Incorporation of Multiple-Days Information to Improve the Generalization of EEG-Based Emotion Recognition Over Time.Shuang Liu, Long Chen, Dongyue Guo, Xiaoya Liu, Yue Sheng, Yufeng Ke, Minpeng Xu, Xingwei An, Jiajia Yang & Dong Ming - 2018 - Frontiers in Human Neuroscience 12.
  11.  61
    How culture orientation influences the COVID-19 pandemic: An empirical analysis.Zhuo Wang, Yi Li, Ruiqing Xu & Haoting Yang - 2022 - Frontiers in Psychology 13.
    PurposeThis study aims to investigate the mediational path of the influence of cultural orientation on the COVID-19 pandemic outcome at the national level and find out whether some culture-related factors can have a moderating effect on the influence of culture.MethodologyCultural dimension theory of Hofstede is used to quantify the degree of each dimension of culture orientation. The cross-section regression model is adopted to test if culture orientations affect the pandemic outcome, controlling for democracy, economy, education, population, age, and time. Then, (...)
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  12.  14
    Gray Matter Volume and Functional Connectivity in Hypochondriasis: A Magnetic Resonance Imaging and Support Vector Machine Analysis.Zhe Shen, Liang Yu, Zhiyong Zhao, Kangyu Jin, Fen Pan, Shaohua Hu, Shangda Li, Yi Xu, Dongrong Xu & Manli Huang - 2020 - Frontiers in Human Neuroscience 14.
    Objective: Patients with hypochondriasis hold unexplainable beliefs and a fear of having a lethal disease, with poor compliances and treatment response to psychotropic drugs. Although several studies have demonstrated that patients with hypochondriasis demonstrate abnormalities in brain structure and function, gray matter volume and functional connectivity in hypochondriasis still remain unclear.Methods: The present study collected T1-weighted and resting-state functional magnetic resonance images from 21 hypochondriasis patients and 22 well-matched healthy controls. We first analyzed the difference in the GMV between the (...)
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  13.  4
    Coping strategies and interventions to alleviate moral distress among pediatric ICU nurses: A scoping review.Junqing Chen, Nan Lin, Xian Ye, Yangxiu Chen, Yi Wang & Hongzhen Xu - forthcoming - Nursing Ethics.
    Backgrounds Moral distress significantly affects pediatric ICU nurses, leading to nurse burnout, increased turnover and reducing patient care quality. Despite its importance, there’s a notable gap in knowledge on how to manage it effectively. Aims This review aimed to systematically identify and analyze coping strategies and interventions targeting moral distress among pediatric nurses in ICU, uncovering research gap and future studies directions. Methods A scoping review was conducted followed framework by Levac, Colquhoun, and O'Brien and Arksey and O'Malley. Searches were (...)
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  14.  6
    Random constraint satisfaction: Easy generation of hard (satisfiable) instances.Ke Xu, Frédéric Boussemart, Fred Hemery & Christophe Lecoutre - 2007 - Artificial Intelligence 171 (8-9):514-534.
  15.  11
    The Effects of Transcranial Direct Current Stimulation (tDCS) on Working Memory Training in Healthy Young Adults.Yufeng Ke, Ningci Wang, Jiale Du, Linghan Kong, Shuang Liu, Minpeng Xu, Xingwei An & Dong Ming - 2019 - Frontiers in Human Neuroscience 13:421402.
    Working memory (WM) is a fundamental cognitive ability to support complex thought, but it is limited in capacity. WM training has shown the potential to make benefit for those in need. Many studies have shown the potential of transcranial direct current stimulation (tDCS) to transiently enhance WM performance by delivering low current to the brain cortex of interest via electrodes on the scalp. TDCS has also been revealed as a promising intervention to augment WM training in a few studies. However, (...)
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  16.  22
    Cross-Dataset Variability Problem in EEG Decoding With Deep Learning.Lichao Xu, Minpeng Xu, Yufeng Ke, Xingwei An, Shuang Liu & Dong Ming - 2020 - Frontiers in Human Neuroscience 14.
  17.  39
    Master-Slave Synchronization of 4D Hyperchaotic Rabinovich Systems.Ke Ding, Christos Volos, Xing Xu & Bin Du - 2018 - Complexity 2018:1-9.
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  18.  10
    Who Watches Live Streaming in China? Examining Viewers’ Behaviors, Personality Traits, and Motivations.Yi Xu & Yixin Ye - 2020 - Frontiers in Psychology 11.
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  19.  39
    Screening for Cognitive Frailty Using Short Cognitive Screening Instruments: Comparison of the Chinese Versions of the MoCA and Qmci Screen.Yangfan Xu, Yangyang Lin, Lingrong Yi, Zhao Li, Xian Li, Yuying Yu, Yuxiao Guo, Yuling Wang, Haoying Jiang, Zhuoming Chen, Anton Svendrovski, Yang Gao, D. William Molloy & Rónán O’Caoimh - 2020 - Frontiers in Psychology 11.
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  20.  13
    Qualitative Analysis of a Spatiotemporal Prey-Predator Model with Additive Allee Effect and Fear Effect.Changcheng Ke, Ming Yi & Yanfeng Guo - 2022 - Complexity 2022:1-19.
    A diffusive predator-prey system with both the additive Allee effect and the fear effect in the prey subject to Neumann boundary conditions is considered in this paper. Firstly, non-negative and non-trivial solution a priori estimations are shown. Furthermore, for specific parameter ranges, the absence of non-constant positive solutions is demonstrated. Secondly, we use the linearized theory to investigate the stability of non-negative constant solutions. The spatially homogeneous and non-homogeneous periodic solutions, as well as non-constant steady state solutions, are next investigated (...)
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  21.  8
    Repurchase intentions of new e-commerce users in the COVID-19 context: The mediation role of brand love.Yi Ding, Ruonan Tu, Yahong Xu & Sung Kyu Park - 2022 - Frontiers in Psychology 13.
    The use of e-commerce has exploded due to the impact of COVID-19. People with no experience in e-commerce prior to the COVID-19 pandemic began online shopping for their safety following the pandemic outbreak. As such, these newly joined customers have played a vital role in the rapid development of e-commerce. Maintaining these customers and increasing their repurchase intention is a core issue for e-commerce platform companies. Thus, using new e-commerce users as the participants, this study investigated the structural relationship between (...)
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  22.  17
    The Influence from the Past: Organizational Imprinting and Firms’ Compliance with Social Insurance Policies in China.Yi Han, Enying Zheng & Minya Xu - 2014 - Journal of Business Ethics 122 (1):65-77.
    Using a nationwide survey of randomly selected manufacturing firms in representative Chinese cities, we examine how firms’ compliance with social insurance policies is shaped by their historical imprinting, by their founding ownership structures, as well as by massive institutional changes. Our empirical results suggest that firms founded in the state socialist era and firms founded as Chinese state-owned enterprises (SOEs) were infused with socialist institutional logics of labor relations, and they tended to comply with social insurance policies even in the (...)
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  23.  27
    Folk beliefs of cultural changes in China.Yi Xu & Takeshi Hamamura - 2014 - Frontiers in Psychology 5.
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  24. Tone in connected discourse.Yi Xu - 2005 - In Keith Brown (ed.), Encyclopedia of Language and Linguistics. Elsevier. pp. 742--750.
  25.  17
    Performance Assessment of a Freight Network with Stochastic Capacities.Xiu-Zhen Xu, Yi-Feng Niu & Qing Li - 2018 - Complexity 2018:1-9.
    This paper focuses on performance assessment of a freight network with stochastic capacities by using reliability analysis, in which a node denotes a supplier, a transfer center, a distribution center, or a market, while an arc denotes a logistics service provider offering the freight traffic service for a pair of nodes. Due to some uncertainties in real environment, the available capacity of the provider along each arc is stochastic. Thus, network reliability that at least d units of commodity demand can (...)
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  26.  10
    Research on Deviation Detection of Belt Conveyor Based on Inspection Robot and Deep Learning.Yi Liu, Changyun Miao, Xianguo Li & Guowei Xu - 2021 - Complexity 2021:1-15.
    The deviation of the conveyor belt is a common failure that affects the safe operation of the belt conveyor. In this paper, a deviation detection method of the belt conveyor based on inspection robot and deep learning is proposed to detect the deviation at its any position. Firstly, the inspection robot captures the image and the region of interest containing the conveyor belt edge and the exposed idler is extracted by the optimized MobileNet SSD. Secondly, Hough line transform algorithm is (...)
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  27.  11
    Economy of Effort or Maximum Rate of Information? Exploring Basic Principles of Articulatory Dynamics.Yi Xu & Santitham Prom-on - 2019 - Frontiers in Psychology 10.
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  28.  17
    Problem Mechanism and Solution Strategy of Rural Children’s Community Inclusion—The Role of Peer Environment and Parental Community Participation.Ying Xu, Ligang Wang, Wanyi Yang, Yi Cai, Wenbin Gao, Ting Tao & Chunlei Fan - 2022 - Frontiers in Psychology 12.
    Early childhood development intervention has gained considerable achievements in eliminating intergenerational transmission of poverty in rural areas. Paying further attention to rural children’s community inclusion can also promote the sustainable development of the village. However, there is a lack of systematic theoretical constructs on the village inclusion of rural children. In this study, an attempt was made to explore the problem mechanism and solution strategy of community inclusion of rural children using a grounded theory approach of in-depth interviews. Seventeen parents (...)
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  29. Signal Processing-Fractional Order Digital Differentiators Design Using Exponential Basis Function Neural Network.Ke Liao, Xiao Yuan, Yi-Fei Pu & Ji-Liu Zhou - 2006 - In O. Stock & M. Schaerf (eds.), Lecture Notes In Computer Science. Springer Verlag. pp. 735-740.
     
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  30.  86
    Effect of Moxibustion Treatment on Degree Centrality in Patients With Mild Cognitive Impairment: A Resting-State Functional Magnetic Resonance Imaging Study.Ke Xu, Yichen Wei, Chengxiang Liu, Lihua Zhao, Bowen Geng, Wei Mai, Shuming Zhang, Lingyan Liang, Xiao Zeng, Demao Deng & Peng Liu - 2022 - Frontiers in Human Neuroscience 16.
    BackgroundMild cognitive impairment is a common neurological disorder. Moxibustion has been shown to be effective in treating MCI, but its therapeutic mechanisms still remain unclear. This study mainly aimed to investigate the modulation effect of moxibustion treatment for patients with MCI by functional magnetic resonance imaging.MethodsA total of 47 patients with MCI and 30 healthy controls participated in resting-state fMRI imaging scans. Patients with MCI were randomly divided into true moxibustion group and sham moxibustion group. The degree centrality approach was (...)
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  31.  30
    Efficient Enumeration of d-Minimal Paths in Reliability Evaluation of Multistate Networks.Xiu-Zhen Xu, Yi-Feng Niu & Qing Li - 2019 - Complexity 2019:1-10.
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  32.  11
    The Impact of COVID-19-Related Work Stress on the Mental Health of Primary Healthcare Workers: The Mediating Effects of Social Support and Resilience.Lu-Shao-Bo Shi, Richard Huan Xu, Yi Xia, Dong-xue Chen & Dong Wang - 2022 - Frontiers in Psychology 12.
    ObjectiveThe psychological condition of healthcare workers since the COVID-19 pandemic has attracted the attention of many studies. However, few have reported on psychosocial problems of primary healthcare workers in the COVID-19 pandemic. This study aimed to examine the mediating roles of social support and resilience in COVID-19-related work stress and symptoms of anxiety and depression.MethodsA total of 840 primary healthcare workers in 17 community health centers in Guangzhou, China, were recruited from May to July 2021. Data on demographic characteristics, COVID-19-related (...)
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  33.  19
    Dynamic Evolution Analysis of Stock Price Fluctuation and Its Control.Yuhua Xu, Zhongyi Ke, Chengrong Xie & Wuneng Zhou - 2018 - Complexity 2018:1-9.
    This paper studies a simple dynamical system of stock price fluctuation time series based on the rule of stock market. When the stock price fluctuation system is disturbed by external excitations, the system exhibits obviously chaotic phenomena, and its basic dynamic properties are analyzed. At the same time, a new fixed-time convergence theorem is proposed for achieving fixed-time control of stock price fluctuation system. Finally, the effectiveness of the method is verified by numerical simulation.
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  34.  10
    Generalized Trust and Financial Risk-Taking in China – A Contextual and Individual Analysis.Yi Xu - 2018 - Frontiers in Psychology 9:346911.
    Previous evidence from developed nations has suggested that more trusting individuals are more likely to take financial risks, such as investing in the stock market. Previous studies have found that Chinese citizens have particularly high generalized trust and are more risk-seeking in investment compared with Americans, which makes China an interesting case. The current study examines the relation between generalized trust and stock market participation in China at both a contextual and individual level. Across provinces, a lower level of generalized (...)
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  35.  9
    Early Word Order Usage in Preschool Mandarin-Speaking Typical Children and Children With Autism Spectrum Disorder: Influences of Caregiver Input?Ying Alice Xu, Letitia R. Naigles & Yi Esther Su - 2022 - Frontiers in Psychology 12.
    This study explores the emergence and productivity of word order usage in Mandarin-speaking typically-developing children and children with autism spectrum disorder, and examines how this emergence relates to frequency of use in caregiver input. Forty-two caregiver-child dyads participated in video-recorded 30-min semi-structured play sessions. Eleven children with ASD were matched with 10 20-month-old TD children and another 11 children with ASD were matched with 10 26-month-old TD children, on expressive language. We report four major findings: Preschool Mandarin-speaking children with ASD (...)
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  36.  41
    The influence of element type and crossed relation on the difficulty of chunk decomposition.Zhonglu Zhang, Ke Yang, Christopher M. Warren, Guang Zhao, Peng Li, Yi Lei & Hong Li - 2015 - Frontiers in Psychology 6.
  37. Understanding cognitive differences in the effect of digitalization on ambidextrous innovation: Moderating role of industrial knowledge base.Qiang Xu, Hanlin Liu, Yi Chen & Kexin Tian - 2022 - Frontiers in Psychology 13.
    A number of existing researches agree that digitalization would facility firms to launch ambidextrous innovations. Digitalization is not only about technological change, but more importantly, the reshaping of the firms’ knowledge structure and routines to percept and integrate knowledge. Thus, some researchers suggest that whether firms could benefit from digitalization varies across firms and industries, since innovation in different firms and industries relies on differentiated level of cognitive and reasoning of knowledge. However, existing studies mainly focus on exploring the firm-level (...)
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  38. The Impact of Mindfulness-Based Stress Reduction (MBSR) on Psychological Outcomes and Quality of Life in Patients With Lung Cancer: A Meta-Analysis.Xu Tian, Li-Juan Yi, Chen-Si-Sheng Liang, Lei Gu, Chang Peng, Gui-Hua Chen & Maria F. Jiménez-Herrera - 2022 - Frontiers in Psychology 13.
    ObjectiveThe impact of the mindfulness-based stress reduction program on psychological outcomes and quality of life in lung cancer patients remains unclear. This meta-analysis aimed to evaluate the effectiveness of the MBSR program on psychological states and QoL in lung cancer patients.MethodsEligible studies published before November 2021 were systematically searched from PubMed, EMBASE, Cochrane Library, PsycINFO, China National Knowledge Infrastructure, and Wanfang databases. The risk of bias in eligible studies was assessed using the Cochrane tool. Psychological variables and QoL were evaluated (...)
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  39.  94
    Mindfulness Affects the Level of Psychological Distress in Patients With Lung Cancer via Illness Perception and Perceived Stress: A Cross-Sectional Survey Study.Xu Tian, Ling Tang, Li-Juan Yi, Xiao-Pei Qin, Gui-Hua Chen & Maria F. Jiménez-Herrera - 2022 - Frontiers in Psychology 13.
    PurposeThe aims of the study were first to investigate the association between illness perception and psychological distress and second to determine whether mindfulness affects psychological distress via illness perception and perceived stress in patients with lung cancer.MethodsAmong 300 patients with lung cancer who participated in this cross-sectional study, 295 patients made valid responses to distress thermometer, the Five Facet Mindfulness Questionnaire, the Brief Illness Perception Questionnaire, and the Perceived Stress Scale between January and July 2021. The possible pathways of mindfulness (...)
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  40.  89
    Variable-Centered Consistency in Model RB.Liang Li, Tian Liu & Ke Xu - 2013 - Minds and Machines 23 (1):95-103.
    Model RB is a model of random constraint satisfaction problems, which exhibits exact satisfiability phase transition and many hard instances, both experimentally and theoretically. Benchmarks based on Model RB have been successfully used by various international algorithm competitions and many research papers. In a previous work, Xu and Li defined two notions called i-constraint assignment tuple and flawed i-constraint assignment tuple to show an exponential resolution complexity of Model RB. These two notions are similar to some kind of consistency in (...)
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  41.  8
    Extended Model on Structural Stability and Robustness to Bounded Rationality.Yi Liao, Lujiang Miao, Lei Wang, Fei Xu & Chi Zhang - 2021 - Complexity 2021:1-6.
    In this article, we focus on an extended model M ¯ of bounded rationality. Based on a rationality function with lower semicontinuity, we analyze the relationship between structural stability and robustness of Ω ¯. To further demonstrate the applicability of our theory, we introduce a model Ω ¯ 0 containing an abstract rationality function and generalize abstract fuzzy economies. We demonstrate the structural stability of the extended model Ω ¯ 0 at ξ ¯, ɛ. That is to say, Ω ¯ (...)
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  42.  13
    Anxiety and Its Influencing Factors in Patients With Drug-Induced Liver Injury.Yi-Hui Liu, Yan Guo, Hong Xu, Hui Feng & Dong-Ya Chen - 2022 - Frontiers in Psychology 13:889487.
    ObjectiveThis study aims to investigate anxiety and its influencing factors in patients with drug-induced liver injury (DILI).Materials and MethodsNinety-four patients with DILI were enrolled and evaluated with a self-rating anxiety scale (SAS). According to the anxiety score, they were divided into four groups: the non-anxiety, mild anxiety, moderate anxiety, or severe anxiety groups, and the scores were analyzed based on demographic and biochemical indicators.ResultsOf the 94 patients with DILI, 63 did not have anxiety and 31 had anxiety (32.9%), of which (...)
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  43.  7
    Processing and acquisition of temporality in L2 Mandarin Chinese: Effects of grammatical and lexical aspects.Shaohua Fang & Yi Xu - 2022 - Frontiers in Psychology 13.
    This study investigated the second language processing and acquisition of Chinese temporality, specifically the interaction of grammatical and lexical aspects. An experimental group of 31 English-speaking learners of Chinese and a control group of 29 native speakers of Mandarin Chinese completed an online sentence-picture matching task and an offline translation task. Results from these experiments demonstrated the prototype effect: In aspectual development, perfective aspect started with telic verbs and progressive aspect started with activity verbs, in accordance with the Aspect Hypothesis, (...)
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  44.  17
    Learning phonetic categories by tracking movements.Bruno Gauthier, Rushen Shi & Yi Xu - 2007 - Cognition 103 (1):80-106.
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  45.  13
    Residential Mobility Decreases Neural Responses to Social Norm Violation.Siyang Luo, Qianting Kong, Zijun Ke, Yiyi Zhu, Liqin Huang, Meihua Yu & Ying Xu - 2019 - Frontiers in Psychology 10.
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  46.  7
    Application of portrait recognition system for emergency evacuation in mass emergencies.Ke Xu - 2021 - Journal of Intelligent Systems 30 (1):893-902.
    A portrait recognition system can play an important role in emergency evacuation in mass emergencies. This paper designed a portrait recognition system, analyzed the overall structure of the system and the method of image preprocessing, and used the Single Shot MultiBox Detector (SSD) algorithm for portrait detection. It also designed an improved algorithm combining principal component analysis (PCA) with linear discriminant analysis (LDA) for portrait recognition and tested the system by applying it in a shopping mall to collect and monitor (...)
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  47.  16
    Weighted Modal Logic in Epistemic and Deontic Contexts.Huimin Dong, Xu Li & Yì N. Wáng - 2021 - In Sujata Ghosh & Thomas Icard (eds.), Logic, Rationality, and Interaction: 8th International Workshop, Lori 2021, Xi’an, China, October 16–18, 2021, Proceedings. Springer Verlag. pp. 73-87.
    We introduce a type of weighted modal logic with explicit weights both in the language and in the models. The framework has its applications in epistemic logic for reasoning about agents’ knowledge based on their capability, and in deontic logic for agents’ choices based on their deontic capability or utilities. We make use of weighted Kripke models with the weights understood epistemically as a similarity measure between states and deontically as a measure of expected utilities. We present sound and complete (...)
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  48.  3
    Corrigendum: Economy of Effort or Maximum Rate of Information? Exploring Basic Principles of Articulatory Dynamics.Yi Xu & Santitham Prom-on - 2020 - Frontiers in Psychology 11.
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  49.  25
    Emotional Connotations of Musical Instrument Timbre in Comparison With Emotional Speech Prosody: Evidence From Acoustics and Event-Related Potentials.Xiaoluan Liu, Yi Xu, Kai Alter & Jyrki Tuomainen - 2018 - Frontiers in Psychology 9.
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  50.  9
    Disturbance Observer-Based Robust Formation-Containment of Discrete-Time Multiagent Systems with Exogenous Disturbances.Chengjie Xu, Bofan Li & Yi Yuan - 2021 - Complexity 2021:1-11.
    This paper investigates robust formation-containment control of discrete-time multiagent systems with exogenous disturbances. Based on the discrete-time disturbance observer method, both state feedback and output feedback control protocols are proposed. Formation-containment conditions are obtained and convergency analysis is given according to Lyapunov stability theory. And, the corresponding control gains are obtained by solving some discrete-time algebraic Riccati equations. Numerical simulations are presented to illustrate the theoretical findings.
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