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Social media and mobility landscape: Uncovering spatial patterns of urban human mobility with multi source

Yilan Cui, Xing Xie, Yi Liu

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 5, doi: 10.1007/s11783-018-1068-1

Abstract:

Check-in and survey data are explored to identify personal activity-specific places.

Ways for detecting and moderating sample bias of Weibo check-in data is proposed.

A graphic representation of urban activity intensity in Beijing, China is presented.

The potential application of Weibo check-in data for urban analysis is introduced.

Keywords： Social media     Human mobility     Population bias     Sample reconstruction     Data integration    

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Home location inference from sparse and noisy data: models and applications

Tian-ran HU,Jie-bo LUO,Henry KAUTZ,Adam SADILEK

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 5,   Pages 389-402 doi: 10.1631/FITEE.1500385

Abstract: Accurate home location is increasingly important for urban computing. Existing methods either rely on continuous (and expensive) Global Positioning System (GPS) data or suffer from poor accuracy. In particular, the sparse and noisy nature of social media data poses serious challenges in pinpointing where people live at scale. We revisit this research topic and infer home location within 100 m×100 m squares at 70% accuracy for 76% and 71% of active users in New York City and the Bay Area, respectively. To the best of our knowledge, this is the first time home location has been detected at such a fine granularity using sparse and noisy data. Since people spend a large portion of their time at home, our model enables novel applications. As an example, we focus on modeling people’s health at scale by linking their home locations with publicly available statistics, such as education disparity. Results in multiple geographic regions demonstrate both the effectiveness and added value of our home localization method and reveal insights that eluded earlier studies. In addition, we are able to discover the real buzz in the communities where people live.

Keywords： Home location     Mobility patterns     Healthcare    

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Effects of riparian vegetation patterns on the distribution and potential loss of soil nutrients: a case

Erhui GUO,Liding CHEN,Ranhao SUN,Zhaoming WANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 279-287 doi: 10.1007/s11783-014-0667-8

Abstract: This study examines the impact of riparian vegetation patterns on water pollution due to soil nutrientFour riparian vegetation patterns from the river channel to the upland were chosen as the focus of thisThe different distributions of soil nutrients along vegetation patterns and the potential risk of nutrientThe vegetation patterns of grassland-cropland and grassland-manmade lawn show that the grassland in the

Keywords： riparian     vegetation patterns     soil nutrient distribution     nutrient loss     management    

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On the potential of iPhone significant location data to characterize individual mobility for air pollution

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 5, doi: 10.1007/s11783-022-1542-7

Abstract: >

● We evaluated the accuracy of iPhone data in capturing time-activity patterns

Keywords： Air pollution exposure     Human mobility     iPhone     Significant Location     Smartphone data    

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Exploring the development of municipal solid waste disposal facilities in Chinese cities: patterns and

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 11, doi: 10.1007/s11783-023-1739-4

Abstract:

● We tracked Chinese cities’ MSW disposal infrastructure development history.

Keywords： China     Municipal solid waste (MSW)     Landfill     Incineration     Proliferation patterns     Driving forces    

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Microenvironmental time-activity patterns in Chongqing, China

Yu ZHAO, Shuxiao WANG, Gangcai CHEN, Fei WANG, Kristin AUNAN, Jiming HAO

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 2,   Pages 200-209 doi: 10.1007/s11783-009-0010-y

Abstract: investigation using recall questionnaires was conducted in winter and autumn 2006 to evaluate the time-activity patterns

Keywords： time-activity patterns     microenvironment     general linear model (GLM)     Chongqing     China    

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A visual graphic approach for mobility analysis of parallel mechanisms

Xu PEI, Jingjun YU

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 1,   Pages 92-95 doi: 10.1007/s11465-011-0213-3

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Associations of sleeping patterns and isotemporal substitution of other behavior with the prevalence

Frontiers of Medicine doi: 10.1007/s11684-023-1019-5

Abstract: in subpopulations with diverse metabolic statuses underlined the importance of optimizing sleeping patterns

Keywords： sleep     physical activity     chronic kidney disease     isotemporal substitution     behavioral pattern    

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Research on Active Handoff Mechanism in Micro-Mobility Protocols

Zhao Aqun

Strategic Study of CAE 2004, Volume 6, Issue 8,   Pages 50-56

Abstract:

Aiming at the disadvantages of current handoff mechanisms in micro-mobility protocols, active handoffThis mechanism takes advantage of mobility prediction technique to predict the next cell a mobile hostTo guarantee the implementation of active handoff mechanism, a mobility prediction algorithm is proposed

Keywords： micro-mobility protocols     active handoff mechanism     mobility prediction     performance evaluation    

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Analysis of the kinematic characteristics of a high-speed parallel robot with Schönflies motion: Mobility

Fugui XIE,Xin-Jun LIU

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 2,   Pages 135-143 doi: 10.1007/s11465-016-0389-7

Abstract: A line graph method based on Grassmann line geometry is used to investigate the mobility characteristicsThe mobility analysis, inverse kinematics modeling, and singularity analysis conducted in this study

Keywords： parallel robot     mobility     inverse kinematics     singularity     transmission performance    

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Analysis of driving forces behind diversified carbon dioxide emission patterns in regions of the mainland

Xin TIAN, Hidefumi IMURA, Miao CHANG, Feng SHI, Hiroki TANIKAWA

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 3,   Pages 445-458 doi: 10.1007/s11783-011-0330-6

Abstract: This paper investigates these disparities in CO emission patterns and identifies the factors underlyingmainland provinces (Tibet not included) can be divided into seven groups with three typical CO emission patterns

Keywords： carbon dioxide emission patterns     China     economic development     index decomposition analysis     industrialization    

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Erratum to: On the potential of iPhone significant location data to characterize individual mobility

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 9, doi: 10.1007/s11783-022-1556-1

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PM-support interfacial effect and oxygen mobility in Pt, Pd or Rh-loaded (Ce,Zr,La)O catalysts

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1369-z

Abstract:

• Pt/CZL exhibits the optimum catalytic performance for HC and NOx elimination.

Keywords： Precious metal-loaded (Ce     Zr     La)O2 catalysts     Oxygen mobility     Catalytic performance    

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Early-life famine exposure, adulthood obesity patterns, and risk of low-energy fracture

Frontiers of Medicine doi: 10.1007/s11684-023-1023-9

Abstract: risk of osteoporosis, but the association of early-life undernutrition combined with adulthood obesity patterns

Keywords： famine     obesity     body mass index     waist-to-hip ratio     low-energy fracture    

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Clinical efficacy of comprehensive therapy based on traditional Chinese medicine patterns on patients

Frontiers of Medicine 2022, Volume 16, Issue 5,   Pages 736-744 doi: 10.1007/s11684-021-0870-5

Abstract: Effective therapy options for pneumoconiosis are lacking. Traditional Chinese medicine (TCM) presents a favorable prospect in the treatment of pneumoconiosis. A pilot study on TCM syndrome differentiation can evaluate the clinical efficacy and safety of TCM and lay a foundation for further clinical research. A double-blind, randomized, and placebo-controlled trial was conducted for 24 weeks, in which 96 patients with pneumoconiosis were randomly divided into the control and treatment groups. Symptomatic treatment was conducted for the two groups. The treatment group was treated with TCM syndrome differentiation, and the control group was treated with placebo. The primary outcomes were the six-minute walking distance (6MWD) and the St. George Respiratory Questionnaire (SGRQ) score. The secondary outcomes were the modified British Medical Research Council Dyspnea Scale (mMRC), Chronic Obstructive Pulmonary Disease Assessment Test (CAT), Hospital Anxiety and Depression Scale (HADS), and pulmonary function. Only 83 patients from the 96 patients with pneumoconiosis finished the study. For the primary outcome, compared with the control groups, the treatment group showed a significantly increased 6MWD (407.90 m vs. 499.51 m; 95% confidence interval (CI) 47.25 to 135.97; P <0.001) and improved SGRQ total score (44.48 vs. 25.67; 95% CI −27.87 to −9.74; P <0.001). The treatment group also significantly improved compared with the control group on mMRC score (1.4 vs. 0.74; 95% CI −1.08 to −0.23; P =0.003), CAT score (18.40 vs. 14.65; 95% CI −7.07 to −0.43; P =0.027), and the total symptom score (7.90 vs. 5.14; 95% CI −4.40 to −1.12; P <0.001). No serious adverse events occurred. This study showed that TCM syndrome differentiation and treatment had a favorable impact on the exercise endurance and quality of life of patients with pneumoconiosis.

Keywords： pneumoconiosis     randomized controlled trials     traditional Chinese medicine    

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Title Author Date Type Operation

Social media and mobility landscape: Uncovering spatial patterns of urban human mobility with multi source

Yilan Cui, Xing Xie, Yi Liu

Journal Article

Home location inference from sparse and noisy data: models and applications

Tian-ran HU,Jie-bo LUO,Henry KAUTZ,Adam SADILEK

Journal Article

Effects of riparian vegetation patterns on the distribution and potential loss of soil nutrients: a case

Erhui GUO,Liding CHEN,Ranhao SUN,Zhaoming WANG

Journal Article

On the potential of iPhone significant location data to characterize individual mobility for air pollution

Journal Article

Exploring the development of municipal solid waste disposal facilities in Chinese cities: patterns and

Journal Article

Microenvironmental time-activity patterns in Chongqing, China

Yu ZHAO, Shuxiao WANG, Gangcai CHEN, Fei WANG, Kristin AUNAN, Jiming HAO

Journal Article

A visual graphic approach for mobility analysis of parallel mechanisms

Xu PEI, Jingjun YU

Journal Article

Associations of sleeping patterns and isotemporal substitution of other behavior with the prevalence

Journal Article

Research on Active Handoff Mechanism in Micro-Mobility Protocols

Zhao Aqun

Journal Article

Analysis of the kinematic characteristics of a high-speed parallel robot with Schönflies motion: Mobility

Fugui XIE,Xin-Jun LIU

Journal Article

Analysis of driving forces behind diversified carbon dioxide emission patterns in regions of the mainland

Xin TIAN, Hidefumi IMURA, Miao CHANG, Feng SHI, Hiroki TANIKAWA

Journal Article

Erratum to: On the potential of iPhone significant location data to characterize individual mobility

Journal Article

PM-support interfacial effect and oxygen mobility in Pt, Pd or Rh-loaded (Ce,Zr,La)O catalysts

Journal Article

Early-life famine exposure, adulthood obesity patterns, and risk of low-energy fracture

Journal Article

Clinical efficacy of comprehensive therapy based on traditional Chinese medicine patterns on patients

Journal Article