Yahoo Labs is proud to be a bronze sponsor of the Eighth ACM WSDM Conference. WSDM (pronounced “wisdom”) is the premier international ACM conference covering research in the areas of search and data mining on the Web. WSDM 2015 will take place in Shanghai, China January 31 - February 6. WSDM publishes original, high-quality papers related to search and data mining on the Web and the Social Web, with an emphasis on practical yet principled novel models of search and data mining, algorithm design and analysis, economic implications, and in-depth experimental analysis of accuracy and performance.   More information about the conference can be found on their website, http://www.wsdm-conference.org/2015/.