Difficulty-aware Dynamic Chain-of-Thought Prompting for Large Language Models via BM25 and Semantic Retrieval. Informatica, [S. l.], v. 50, n. 13, 2026. DOI: 10.31449/inf.v50i13.14118. Disponível em: https://www.informatica.si/index.php/informatica/article/view/14118. Acesso em: 30 jun. 2026.