Proceedings of the 21th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining

It is our great pleasure to welcome you to the 21st ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD). Theannual ACM SIGKDD conference is the premier international forum for data science, data mining, knowledge discovery and big data. It brings together researchers and practitioners from academia, industry, and government to share their ideas, research results and experiences. KDD-2015 features 4 plenary keynote presentations, 12 invited talks, 228 paper presentations, a discussion panel, a poster session, 14 workshops, 12 tutorials, 27 exhibition booths, the KDD Cup competition, and a banquet at the Dockside Pavilion at the Sydney Darling Harbour. As always, KDD-2015 attracted presenters and…