Hot issue in health use topic modelling with LDA

Knowledge acquisition is an essential component of expert system architecture. Before the knowledge acquisition process is carried out, it takes a problem domain of expertise that benefits the community, especially in the health sector. Determination of the problem domain of expertise using topic modelling sourced from health articles in Indonesia. Topic modelling using the Latent Dirichlet Allocation (LDA) method. The result of this research is that we find the issue of disease heart and relation to unhealthy eating patterns. This issue is the third topic with a probability level of 0.19. While the topic with a probability higher than reached 0.4 is on the topic of one and four—both topics about pandemic covid-19 and vaccination.