School of Journalism and Communication, CUHK - LIANG, Hai



Assistant Professor


B.A., B.S.
Shanghai Jiao Tong University

City University of Hong Kong



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 icon research Research Interests:

  • Computational Social Science
  • Social Media Analytics
  • Political Communicaion
  • Public Health

icon research Current Research:

  • Informal Political Conversation on Social Media
  • Digital Epidemiology & Digital Health Communication
  • Networked Communication Process

icon research Teaching Interests:

  • Quantitative Research Methods
  • Social Media Analytics
  • Digital Humanities
  • Computational Social Science

  icon aboutAdvice to students:

Learn something different and difficult.


icon researchPublication List:


Book Chapters & Encyclopedia Entries

Liang, H. & Zhu, J. J. H. (2017). Big data, collection of (social media, harvesting). In Jörg Matthes (Ed.), The International Encyclopedia of Communication Research Methods. Wiley Press. pdf


Peer-Reviewed Journal Articles

Adnan, M.M., Yin, J., Jackson, A.M., Tse, Z.T.H., Liang, H., Fu, K.W., Saroha, N., Althouse, B.M., & Fung, I.C.H. (2018). World Pneumonia Day 2011-16: Twitter contents and retweets. International Health. doi: 10.1093/inthealth/ihy087 pdf

Jackson, A. M., Mullican, L. A., Yin, J., Tse, Z. T. H. T., Liang, H., Fu, K. W., Ahweyevu, J. O., Jenkins, J. J., Saroha, N., & Fung, I. C. H. (2018). #CDCGrandRounds and #VitalSigns: A Twitter analysis. Annals of Global Health, 84(4), 710–716. doi: 10.29024/aogh.2381 pdf

Fung, I.C.H., Zeng, J., Chan, C.H., Liang, H., Yin, J., Liu, Z., Tse, Z.T.H., Fu, K.W. (2018). Twitter and Middle East respiratory syndrome, South Korea, 2015: A multi-lingual study. Infection, Health and Disease, 23(1):10-16. doi: 10.1016/j.idh.2017.08.005.

Liang, H. (2018). Broadcast versus viral spreading: The structure of diffusion cascades and selective sharing on social media. Journal of Communication.

Liang, H. & Shen, F. (2018). Birds of a schedule flock together: Social networks, peer influence, and digital activity cycles. Computers in Human Behavior. doi: 10.1016/j.chb.2018.01.016

Fung, I.C.H., Jackson, A.M., Ahweyevu, J., Grizzle, J., Yin, J., Tse, Z.T.H., Liang, H., Sekandi, J.N., Fu, K.W. (2017). #GlobalHealth on Twitter: Analysis of tweets on #Malaria, #HIV, #TB, #NCDS, and #NTDS. Annals of Global Health, 83(3-4), 682-690. doi: 10.1016/j.aogh.2017.09.006

Liang, H., & Fu, K. W. (2017). Information similarity, overload, and redundancy: Unsubscribing information sources on Twitter. Journal of Computer-Mediated Communication, 22(1), 1-17. doi:10.1111/jcc4.12178signin

Liang, H., & Fu, K. W. (2016). Network redundancy and information diffusion: The impacts of information redundancy, similarity, and tie strength. Communication Research. doi: 10.1177/0093650216682900signin

Liang, H., Shen, F. & Fu, K. W. (2016). Privacy protection and self-disclosure across societies: A study of global Twitter users. New Media & Society. doi: 10.1177/1461444816642210 pdf

Fu, K. W., Liang, H., Saroha, N., Tse, Z. T. H., Ip, P., Fung, I. C. H. (2016). How people react to Zika virus outbreaks on Twitter? A computational content analysis. American Journal of Infection Control. doi: 10.1016/j.ajic.2016.04.253 pdf

Liang, H. & Fu, K. W. (2015). Testing propositions derived from Twitter studies: Generalization and replication in computational social science. PLoS ONE, 10(8), e0134270. doi: 10.1371/journal.pone.0134270 pdf

Shen, F. & Liang, H. (2015). Cultural difference, social values, or political systems? Predicting willingness to engage in online political discussion in 75 societies. International Journal of Public Opinion Research, 27(1), 111-124. doi: 10.1093/ijpor/edu012 pdf

Liang, H. (2014). The organizational principles of online political discussion: A relational event stream model for analysis of web forum deliberation. Human Communication Research, 40(4), 483-507. doi: 10.1111/hcre.12034signin

Liang, H. (2014). Coevolution of political discussion and common ground in web discussion forum. Social Science Computer Review, 32(2), 155-169. doi: 10.1177/0894439313506844signin

Shen, F. & Liang, H. (2014). Do Chinese Internet users care about news? Tracking news consumers on the Internet in a metropolis 2009-2011. Chinese Journal of Communication, 7(1), 60-79. doi: 10.1080/17544750.2013.816755 pdf


Publications in Chinese

Zhu, J. J. H., Peng, T. Q., Liang, H., Wang, C. J., Qin, J., & Chen, H. X. (2014). Computational Social Science in Communication Research. e-Science Technology and Application, 5(2), 3-13. pdf

Xue, K., Liang, H., Chen, X., & Yu, M-Y. (2013). The structure of online public expression and issue rise. Journal of SJTU (Philosophy and Social Science), 21(2), 61-69.

Jiang, P. & Liang, H. (2011). Media, audience, social-economic environment, and advertising: A structural equation model. In Guoming Yu (Eds.), Annual Report on China’s Media Development Index (2011) (pp.627-637). Beijing: People’s Daily Press.

Xue, K., Chen, X., & Liang, H. (2011). Weibo versus tea-house: The extension of interpersonal communication. Contemporary Communication, 6, 67-70.

Xue, K., Liang, H., & Yu, M-Y. (2011). The impact of social interaction on hostile media effect. Journal of SJTU (Philosophy and Social Science), 19 (6), 39-48.

Xue, K. & Liang, H. (2009). Social cognition of media image: An analysis of NYT reports on Tibet. Journalism and Communication Research, 16(1), 13-18.

Xue, K., Liang, H., & Yu, M-Y. (2008). An information-balanced model of communication in online forums. Journal of SJTU (Philosophy and Social Science), 4(6), 48-56.


Conference Papers

Liang, H. (2017). The implications of computational methods for comparative studies. Paper presented at the 67th Annual Conference of International Communication Association (ICA), San Diego.signin

Zhu, J. H., Guan L., Liang, H., Peng, T-Q. (2017). New bottle of old wine vs. old bottle of new wine: What contributions have computational methods made to social media research? Paper presented at the 67th Annual Conference of International Communication Association (ICA), San Diego.signin

Liang, H. (2016). Opinion diversity over time: Selective expression and collaborative filtering in web forums. Paper presented at the 66th Annual Conference of International Communication Association (ICA), Fukuoka Japan. pdf

Liang, H. & Fu, K. W. (2015). An information theory of unsubscribing information sources on Twitter. Paper presented at the 2nd Conference on Big Data and Communication Research, Guangzhou, China. pdf

Liang, H. & Shen, F. (2013). Communicative inequalities in online discussion forums. Paper presented at the 63rd Annual Conference of International Communication Association (ICA), London, UK. pdf

Shen, F. & Liang, H. (2013). Examining societal-level predictors of political discussion in online forums. Paper presented at the 63rd Annual Conference of International Communication Association (ICA), London, UK.

Liang, H. (2012). Online public opinion as rationality or social control? A cross-national comparison of public expression in online discussion forum. Paper presented at the 3rd Honours Symposium for Asian Ph.D. Students in Communication Research, Seoul, Korea.

Liang, H. (2012). A psychological framework of text mining in media study. Paper presented at the Advances in Psychology and Communication Studies Symposium, Taiyuan, Shanxi, China.

Liang, H. & Shen, F. (2012). Representation of political discussion in web forums: A cross-national assessment. Paper presented at the 65th Annual Conference of Word Association for Public Opinion (WAPOR), Hong Kong.

Liang, H. & Zhu, J. J. H. (2012). A pattern in behavior stream: Transition and repetition of behavior choices. Paper presented at the 62nd Annual Conference of International Communication Association (ICA), Phoenix, USA.

Liang, H. (2011). The structure of public expression and issue rise: participation heterogeneity, concentration, and timing in Internet forums. Paper presented at the 3rd Postgraduate Student Symposium of the Chinese Journalism and Communication Consortium, Shanghai, China (Top paper)

Liang, H. (2010). The evolutionary process of repetitive behavior: Decision making, social learning, and Incongruity adaptation. Paper presented at the 2nd Postgraduate Symposium of Chinese Journalism and Communication Consortium, Beijing.

Liang, H., & Xue, K. (2010). The impact of social interaction on the hostile media effect. Paper presented at the 60th Annual Conference of International Communication Association (ICA), Singapore.