Personalized E-commerce Recommendations. - Penelope Markellou; Ioanna Mousourouli; Spiros Sirmakessis; Athanasios K. Tsakalidis (ICEBE, 2005)

A Movie E-shop Recommendation Model Based on Web Usage and Ontological Data. - Andreas Aresti; Penelope Markellou; Ioanna Mousourouli; Spiros Sirmakessis; Athanasios K. Tsakalidis (J. Electron. Commer. Organ., 2007)