BURKE, R.; GEMMELL, J.; HOTHO, A.; JÄSCHKE, R. Recommendation in the Social Web. AI Magazine, [S. l.], v. 32, n. 3, p. 46-56, 2011. DOI: 10.1609/aimag.v32i3.2373. Disponível em: https://ojs.aaai.org/index.php/aimagazine/article/view/2373. Acesso em: 20 jun. 2021.