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A Comparison between Online Social Media Discussions and Vaccination Rates: A Tale of Four Vaccines
The recent COVID-19 pandemic has brought the debate around vaccinations to the forefront of public discussion. In this discussion, …
Qingqing Chen, Arie Croitoru, Andrew Crooks
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A Comparison between Online Social Media Discussions and Vaccination Rates: A Tale of Four Vaccines
Categorizing urban space based on visitor density and diversity: A view through social media data
Analyses of urban spaces have often stressed the importance of both the density and diversity of the people they attract. However, the …
I-Ting Chuang, Qingqing Chen, Ate Poorthuis
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Categorizing urban space based on visitor density and diversity: A view through social media data
Analyzing the vaccination debate in social media data Pre- and Post-COVID-19 pandemic
The COVID-19 virus has caused and continues to cause unprecedented impacts on the life trajectories of millions of people globally. …
Qingqing Chen, Andrew Crooks
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Analyzing the vaccination debate in social media data Pre- and Post-COVID-19 pandemic
Entangled footprints: Understanding urban neighbourhoods by measuring distance, diversity, and direction of flows in Singapore
Traditional approaches to human mobility analysis in Geography often rely on census or survey data that is resource-intensive to …
Qingqing Chen, I-Ting Chuang, Ate Poorthuis
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Entangled footprints: Understanding urban neighbourhoods by measuring distance, diversity, and direction of flows in Singapore
Identifying home locations in human mobility data: an open-source R package for comparison and reproducibility
Identifying meaningful locations, such as home or work, from human mobility data has become an increasingly common prerequisite for …
Qingqing Chen, Ate Poorthuis
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Identifying home locations in human mobility data: an open-source R package for comparison and reproducibility
A Multi-Platform Optical Sensor for In Vivo and In Vitro Algae Classification
Differentiation among major algal groups is important for the ecological and biogeochemical characterization of water bodies, and for …
Cheeloon Ng, Qingqing Chen, Jiajing Chua, Harold F. Hemond
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A Multi-Platform Optical Sensor for In Vivo and In Vitro Algae Classification
Corrections for matrix effects on fluorescence measurement of a multi-platform optical sensor
The LEDIF (LED-induced fluorescence) is an in situ optical instrument that utilizes fluorescence, absorbance, and scattering to …
Cheeloon Ng, Yanjie Ng, Qingqing Chen, Harold F. Hemond
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Corrections for matrix effects on fluorescence measurement of a multi-platform optical sensor