Díaz, Alicia, Regina Motz, Alejandro Fernández, José Valdeni de Lima, e Diego López. “Quality Web Information Retrieval: Towards Improving Semantic Recommender Systems With Friendsourcing”. Cadernos de Informática 6, no. 1 (maio 13, 2011): 289–292. Acesso em agosto 28, 2026. https://seer.ufrgs.br/index.php/cadernosdeinformatica/article/view/v6n1p289-292.