Research

My research aims to address pressing societal challenges by developing novel analytical tools and approaches that can be used to inform policy and practice. Through a combination of theoretical and empirical research, I seek to advance people’s understanding of the complex interactions and interdependencies between ambient environmental exposure, human activities, community resilience, and health outcomes, and to develop innovative and effective methods for analyzing and addressing the challenges they present.

Topics

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Ambient Exposure

Ambient Air Quality; Green Infrastructure; Built Environment; Traffic Related Air pollution; Excess Mortality; Smart Cities
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Physical Activiy

Mobile Health (mHealth); Human Activity Recognition; Wearable Sensors; Smart Devices; Accelerometers; Ecological Momentary Assessment; Health Behavior
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Food Access and Security

Food Desert; COVID-19 Pandemic and Food Access; Food Accessibiity and Availability; Yelp Dataset; North American Industry Classification System (NAICS)
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Community Resilience

Social Vulnerbility; Disaster Management; Resilience Inference Model (RIM); Coupled Nature and Human Systems; Climate Change
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Healthcare Disparity

Social Determinants; Healthcare Access; Dental Healthcare Service; Maternal and Infant Morbidity
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Human Mobility

Mobility Patterns; Human Migration; Cell-phone Mobility Data Mining

Methods

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Geo-Spatial Modeling

Complex Systems; Agent Based Modeling; Cellular Automata; Multi-Agent Systems; System Dynamics; Emergence
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Spatial Temporal Data Segmentation

Greedy Gaussian Algorithm; Remote Sensing Image; Pattern Recognition; Time Series Analysis
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Time Series Feature Extraction

Shapelets Discovery; Wavelet Tranformation; Shapelets-Based Classfication; Shaplets Extraction
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Spatial Regression

Geographically Weighted Elastic Net; Spatial Auto-Correlation; Spatial Cross-Correlation; Local Regression; Spatial Non-Stationarity
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Compartment Models

Susceptible-Infected-Recovered (SIR) Model; Susceptible-Exposed-Infectious-Recovered (SEIR) Model; Epedimic Modeling; Infectious Disease Modeling
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Competitive and Adaptive Learning

Self-Organizing Map; Dynamic Time Warping; Kohonen Maps; Reinforced Learning; Generative Adversarial Network