MICHEL, Oliver; LÄGE, Damian. The Hofmethode: Computing Semantic Similarities between E-Learning Products. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 4, n. s3, p. pp. 36–39, 2009. DOI: 10.3991/ijet.v4is3.1102. Disponível em: https://online-journals.org/index.php/i-jet/article/view/1102. Acesso em: 30 apr. 2026.