This issue highlights how different research methods can be used to address some important issues:
Topic modeling using Latent Dirichlet Allocation helps understand the discourse around aging in South Korea, an aging society (2006-2019).
A survey is used to find which factors affect city image during the COVID-19 pandemic in South Korea.
And in our first paper using this analysis method, the different Facebook reactions are used to understand attitudes about Bangladeshi news items related to rape.