"Call My Big Sibling (CMBS)" - A Confidence-Based Strategy Leveraging Instance Selection to Combine Small and Large Language Models for Cost-Effective Text Classification. - Cláudio Moisés Valiense de Andrade; Washington Cunha; Davi Reis; Celso França; Wasterman Ávila Apolinário; Luana de Castro Santos; Adriana Silvina Pagano Adriana; Leonardo Chaves Dutra da Rocha; Marcos André Gonçalves (J. Braz. Comput. Soc., 2026)