Best Paper Award

ERR is not C/W/L: Exploring the Relationship Between Expected Reciprocal Rank and Other Metrics

Leif Azzopardi, Joel Mackenzie and Alistair Moffat​

Best Student Paper Award

Effective and Privacy-preserving Federated Online Learning to Rank

Shuyi Wang, Bing Liu, Shengyao Zhuang and Guido Zuccon

Best Student Paper Honorable Mention Award

The Impact of Entity Cards on Learning-Oriented Search Tasks

Sara Salimzadeh, David Maxwell and Claudia Hauff