QSIA - a Web-based environment for learning, assessing and knowledge sharing in communities. - Sheizaf Rafaeli; Miri Barak; Yuval Dan-Gur; Eran Toch (Comput. Educ., 2004)

Social Recommender Systems: Recommendations in Support of E-Learning. - Sheizaf Rafaeli; Yuval Dan-Gur; Miri Barak (Int. J. Distance Educ. Technol., 2005)

'Friends Group' in Recommender Systems: Effects of User Involvement in the Formation of Recommending Groups. - Yuval Dan-Gur; Sheizaf Rafaeli (ICIS, 2006)

The Stone Age is Back - HCI Effects on Recommender Systems. - Yuval Dan-Gur (WEBIST, 2011)