Alexandra Olteanu, Anne-Marie Kermarrec and Karl Aberer received the 2014 best paper award from the Web Information System Engineering (WISE) for his paper on “Comparing the Predictive Capability of Social and Interest Affinity for Recommendations”. The paper highlights the importance of social affinity (how well connected are people on a social graph) as a predictor of user’s taste as compared to interest affinity (how similarity users rate or how items are rated).