G. Matozinhos, D. Seufitelli, D. Dalip, and G. Oliveira. " Opinion Mining on Reddit: Data Engineering and NLP for Analyzing Precarious Work in Post-Pandemic Brazil", in Proceedings of the 32nd Brazilian Symposium on Multimedia and the Web, Lavras/MG, 2026, pp. 385-393, doi: https://doi.org/10.5753/webmedia.2026.30808.