18:30 -> 20:00% Wednesday, 15th Room Liberdade HeteroMF: Recommendation in Heterogeneous Information Networks using Context Dependent Factor Models Presenters: Mohsen Jamali, Laks Lakshmanan
18:30 -> 20:00% Wednesday, 15th Room Liberdade When Relevance is not Enough: Promoting Diversity and Freshness in Personalized Question Recommendation Presenters: Idan Szpektor, Yoelle Maarek, Dan Pelleg
18:30 -> 20:00% Wednesday, 15th Room Liberdade Questions about Questions: An Empirical Analysis of Information Needs on Twitter Presenters: Qiaozhu Mei, Zhe Zhao
18:30 -> 20:00% Wednesday, 15th Room Liberdade The Self-Feeding Process: A Unifying Model for Communication Dynamics in the Web Presenters: Pedro Olmo Vaz de Melo, Christos Faloutsos, Renato Assuncao, Antonio Loureiro