2023-06-272023-06-272023SILVA, Larissa Lima da; GOMES, Amanda Garcia; FONTELES, Débora Matni; RODRIGUES, Fernando de Assis. Indexação social como estratégia para visibilidade de conteúdos científicos no serviço de rede social online Tiktok. In: TOGNOLI, Natália Bolfarini; ALBUQUERQUE, Ana Cristina de; CERVANTES, Brígida Maria Nogueira (org.). Organização e representação do conhecimento em diferentes contextos: desafios e perspectivas na era da datificação. Londrina: ISKOBrasil: PPGCI-UEL, 2023. p. 336-347. (Estudos Avançados em Organização do Conhecimento, v. 6). ISBN: 978-65-980448-0-0. Disponível em: https://livroaberto.ufpa.br/jspui/handle/prefix/1209. Acesso em:.https://livroaberto.ufpa.br/handle/prefix/1209Objective: To analyze the use of hashtags in Brazilian science dissemination in Online Social Network Services, to identify the characteristics and strategies of visibility based on social indexing. Methodology: Descriptive and exploratory study, with qualitative and quantitative nature, on hashtags used by science popularizers. The research universe is the scientific dissemination of Brazilian profiles on TikTok. It collected 1,586 hashtags, with 8,106 occurrences, from 17 profiles of Brazilian science popularizers selected from a sample of 172 profiles on TikTok. The profile selection criteria were the presence of social indexing, the content produced by specialists or scientific and cultural institutions, and the profiles that fit into the context of scientific dissemination. After quantitative classification, it described the 12 most popular hashtags according to their characteristics, indexing terms, and popularity. Results: It observed hashtags occurrences in the nine areas of knowledge categorized by the Coordination for the Improvement of Higher Education Personnel. Content visibility strategies apply six types of hashtags: internal to the academic context, generic and popular, linked to an area of knowledge, designed to promote educational content, that identifies or customize the search for information conveyed to a profile, and of a political nature. Conclusion: Hashtags are part of TikTok's content classification system and have the potential to represent the informational content of videos, making it possible to gather publications that have related subjects.porAcesso AbertoIndexação socialVisibilidade de conteúdoDivulgação científicaServiço de Rede Social OnlineSocial indexingContent visibilityScientific diffusionOnline Social Network ServiceIndexación socialVisibilidad del contenidoDifusión científicaServicio de Redes Sociales en LíneaCapítulo de Livro