Patent Analysis of Systems and Methods for Providing AI-based Cost Estimates for Services: US11270363B2. Poornaprajna International Journal of Basic & Applied Sciences (PIJBAS), [S. l.], v. 3, n. 1, p. 107–140, 2026. DOI: 10.64818/PIJBAS.3107.8478.0021. Disponível em: https://www.poornaprajnapublication.com/index.php/pijbs/article/view/211. Acesso em: 13 jul. 2026.