Pachón Álvarez, VictoriaMata Vázquez, JacintoDomínguez Olmedo, Juan Luis2026-02-172026-02-172021Victoria Pachón, Jacinto Mata Vázquez, and Juan Luís Domínguez Olmedo. 2021. Identification of profession & occupation in Health-related Social Media using tweets in Spanish. In Proceedings of the Sixth Social Media Mining for Health (#SMM4H) Workshop and Shared Task, pages 105–107, Mexico City, Mexico. Association for Computational Linguistics.978-1-954085-31-2https://hdl.handle.net/10272/27977Conference Paper presentado en el 6th Workshop and Shared Tasks on Social Media Mining for Health (SMM4H 2021), evento internacional especializado en minería de redes sociales para salud, organizado en el marco de NAACL-HLT 2021. Indexado en Scopus (EID: 2-s2.0-85118327086).In this paper we present our approach and system description on Task 7a in ProfNer-ST: Identification of profession & occupation in Health related Social Media. Our main contribution is to show the effectiveness of using BETO-Spanish BERT for classification tasks in Spanish. In our experiments we compared several architectures based on transformers with others based on classical machine learning algorithms. With this approach, we achieved an F1-score of 0.92 for the positive class in the evaluation processengAttribution 4.0 Internationalhttp://creativecommons.org/licenses/by/4.0/Natural Language ProcessingHealth-related Social MediaSpanish BERTTransformer ModelsText ClassificationMachine LearningBiomedical NLPSocial Media Analysisconference paperopen access1203.17 Informática