Fig 1.
Elbow method for optimal k.
Fig 2.
Dynamics of network development.
Red lines correspond to: the announcement of the Anti-Extradition Bill in the end of March 2019, and the enactment of the National Security law in July 2020.
Fig 3.
Association between authority scores and brokerage scores for the most politically-salient community in June 2019.
Fig 4.
Wordclouds corresponding to 12 topic clusters.
Fig 5.
Prevalence of topics in the analyzed Telegram content.
Table 1.
Top words per topic cluster.
Fig 6.
Relative topic prevalence by channel role.
Fig 7.
Red line corresponds to the introduction of the National Security Law.
Fig 8.
Changes in the channel/group positions by authority and hub score by month.
To make the figure easier to interpret for those not familiar with individual Telegram channels and groups as well as to protect the identities of the most influential sources in light of the National Security Law, we report source types instead of particular source names. The classification of the types was done manually by one of the authors who is fluent in Cantonese and Mandarin and is highly familiar with the local context due to the focus of their research.
Fig 9.
ITS plot of edge-creation activity on the Telegram network.
Red line marks the introduction of the National Security Law.
Fig 10.
Topic prevalence before and after the introduction of the National Security Law.