This is great news. There will be three tutorials from The Media Futures Group in WSDM 2015.
Dynamic Information Retrieval Modeling
Grace Hui Yang and Marc Sloan
Real-Time Bidding: A New Frontier of Computational Advertising Research
Shuai Yuan and Jun Wang
Learning about health and medicine from Internet data
Elad Yom-Tov, Ingemar Cox and Vasileios Lampos