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ChengDa Zheng
ChengDa Zheng
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Twitter discussions and emotions about the COVID-19 pandemic: Machine learning approach
J Xue, J Chen, R Hu, C Chen, C Zheng, Y Su, T Zhu
Journal of medical Internet research 22 (11), e20550, 2020
4142020
Public discourse and sentiment during the COVID 19 pandemic: Using Latent Dirichlet Allocation for topic modeling on Twitter
J Xue, J Chen, C Chen, C Zheng, S Li, T Zhu
PloS one 15 (9), e0239441, 2020
3452020
Evaluation of the current state of Chatbots for digital health: scoping review
J Xue, B Zhang, Y Zhao, Q Zhang, C Zheng, J Jiang, H Li, N Liu, Z Li, ...
Journal of Medical Internet Research 25, e47217, 2023
212023
Commenting on PM Trudeau's COVID-19 daily briefing in Canada: data mining public opinions and concerns on YouTube.
C Zheng, J Xue, Y Sun, T Zhu
Journal of Medical Internet Research 23, 2021
19*2021
Technology and tools: From ePortfolios to an integrative system
G Lawrence, M Koslowski, CD Zheng, KP Johnston
Activating Linguistic and Cultural Diversity in the Language Classroom, 73-90, 2022
22022
Bridging and bonding social capital by analyzing the demographics, user activities, and social network dynamics of sexual assault centers on Twitter: Mixed methods study
J Xue, Q Zhang, Y Zhang, H Shi, C Zheng, J Fan, L Zhang, C Chen, L Li, ...
Journal of medical internet research 26, e50552, 2024
12024
A Typology of Social Media Use by Human Service Nonprofits: Mixed Methods Study
J Xue, ML Shier, J Chen, Y Wang, C Zheng, C Chen
Journal of Medical Internet Research 26, e51698, 2024
2024
Twitter discussions and concerns about COVID-19 pandemic: Twitter data analysis using a machine learning approach
J Xue, J Chen, R Hu, C Chen, CD Zheng, T Zhu
arXiv preprint arXiv:2005.12830, 2020
2020
An on-line information portal for environmental decision support through ecosystem health
PA Khaiter, CD Zheng
2018
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Artikelen 1–9