Conferences

Textual Supervision Enhances Geospatial Representations in Vision-Language Models
Marcelo Sartori Locatelli, Fernando Tonucci, Jea Kwon, Luiz Felipe Vecchietti, Bryan Nathanael Wijaya, Cheng Yaw Low, Virgilio Almeida, Meeyoung Cha
Submitted to the International Conference on Learning Representations (ICLR 2026).

Characterizing AI Manipulation Risks in Brazilian YouTube Climate Discourse
Marcelo Sartori Locatelli*, Wenchao Dong*, Virgílio Almeida, Meeyoung Cha
International AAAI Conference on Artificial Intelligence (AAAI 2026).

Characterizing Persuasion Patterns in Climate Discourse on Brazilian Portuguese YouTube Videos
Marcelo Sartori Locatelli*, Wenchao Dong*, Virgílio Almeida, Meeyoung Cha
International Conference on Information Technology for Social Good (GoodIT 2025).

From Inclusion to Contention: Analyzing DEI and “Woke” Narratives on Reddit
Marcelo Sartori Locatelli, Arthur S. da Costa , Victor Thome, Marisa Vasconcelos, Virgilio Almeida
International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2025).

Politicization During the 2024 United States Presidential Elections
Marcelo Sartori Locatelli, Matheus Prado Miranda, Wagner Meira Jr., Virgilio Almeida
International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2025).

Analyzing Political Discourse on Discord during the 2024 US Presidential Election
Marcelo Sartori Locatelli*, Arthur Buzelin*, Pedro Robles Dutenhefner*, Samira Malaquias, Pedro Bento, Yan Aquino, Lucas Dayrell, Victoria Estanislau, Caio Santana, Pedro Alzamora, Marisa Vasconcelos, Wagner Jr Meira, Virgilio Almeida
ACM Websci (2025).

Examining the Behavior of LLM Architectures Within the Framework of Standardized National Exams in Brazil
Marcelo Sartori Locatelli, Matheus Prado Miranda, Igor Joaquim da Silva Costa, Matheus Torres Prates, Victor Thomé, Mateus Zaparoli Monteiro, Tomas Lacerda, Adriana Pagano, Eduardo Rios Neto, Wagner Meira Jr., Virgilio Almeida
Seventh AAAI/ACM Conference on AI, Ethics and Society (AIES 2024).

Topic Shifts as a Proxy for Assessing Politicization in Social Media
Marcelo Sartori Locatelli, Pedro Calais, Matheus Prado, Joao Pedro Junho, Tomas Lacerda, Wagner Meira Jr., Virgilio Almeida
International AAAI Conference on Web and Social Media (ICWSM 2024).

A COVID-19 no Twitter: correlacionando vocabulário com agravamento e atenuação da pandemia no Brasil
Pedro Loures Alzamora, Marcelo Sartori Locatelli, Marcelo Ganem, Thiago Henrique Moreira Santos, Daniel Victor Ferreira, Tereza Bernardes, Ramon AS Franco, Janaína Guiginski, Evandro LTP Cunha, Ana Paula Couto da Silva, Wagner Meira Jr
Anais do XI Brazilian Workshop on Social Network Analysis and Mining (2023).

Characterizing Vaccination Movements on YouTube in the United States and Brazil
Marcelo Sartori Locatelli, Josemar Caetano, Wagner Meira Jr, Virgilio Almeida
Proceedings of the 33rd ACM Conference on Hypertext and Social Media (2022).

Periódicos

Análise Temporal e Espacial dos Casos de COVID-19 nas Regiões Geográficas Imediatas do Brasil
Pedro Loures Alzamora, Daniel Victor Ferreira, Isadora Cristina de Matos Rodrigues, Julia Fonseca de Sena, Marcelo Ganem, Marcelo Sartori Locatelli, Thiago Henrique et al.
Hygeia: Revista Brasileira de Geografia Médica e da Saúde (2023).

Correlations Between Web Searches and COVID-19 Epidemiological Indicators in Brazil
Marcelo Sartori Locatelli, Evandro LT Cunha et al.
Brazilian Archives of Biology and Technology (2022).