Concepedia

Chengda Zheng

CZ

Statistics

Publications

8

Citations

905

H-Index

8

Active since

2020

Affiliations

University of Toronto(Current)

Institute of Psychology, Chinese Academy of Sciences

University of Chinese Academy of Sciences

University of Pittsburgh

Chengda Zheng is an author at University of Toronto specializing in opinion mining, text analytics, and social media.

ORCID

Publications per year

2020–2023

8

Publications

8

Twitter Discussions and Emotions About the COVID-19 Pandemic: Machine Learning Approach

Jia Xue, Junxiang Chen, Ran Hu et al. · Journal of Medical Internet Research · 2020 · 384 citations · Full text

, , +17

Public discourse and sentiment during the COVID 19 pandemic: Using Latent Dirichlet Allocation for topic modeling on Twitter

Jia Xue, Junxiang Chen, Chen Chen et al. · PLoS ONE · 2020 · 355 citations · Full text

, , +14

Evaluation of the Current State of Chatbots for Digital Health: Scoping Review

Jia Xue, Bolun Zhang, Yaxi Zhao et al. · Journal of Medical Internet Research · 2023 · 81 citations · Full text

, , +16

Twitter discussions and emotions about COVID-19 pandemic: a machine learning approach

Jia Xue, Junxiang Chen, Ran Hu et al. · arXiv (Cornell University) · 2020 · 29 citations · Full text

, , +17

Public Opinions and Concerns Regarding the Canadian Prime Minister’s Daily COVID-19 Briefing: Longitudinal Study of YouTube Comments Using Machine Learning Techniques

Chengda Zheng, Jia Xue, Yumin Sun et al. · Journal of Medical Internet Research · 2021 · 18 citations · Full text

, , +15

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