Data Mining Competitions - Current

• Data challenge based on ICWSM-2009 dataset, with 44 million blog posts made between August 1st and October 1st, 2008.
• IEEE ICDM 2008 Data Mining Contest, Radioxenon monitoring for verification of the Comprehensive nuclear-Test-Ban Treaty.
• Netflix $1 million prize for improving accuracy of movie recommendations.
  Start: Oct 2006.

Data Mining Competitions - Recently completed

• KDD Cup 2008, focuses on the early detection of breast cancer from X-ray images of the breast.
• ECML/PKDD Discovery Challenge, two tasks in the new area of social bookmarking: spam detection and tag recommendations.
• Fifth Annual University of California San Diego (UCSD) Data Mining Contest, consisting of two classification tasks based on data from a physics experiment.
• First INFORMS Data Mining Competition: The Antibiotic Protocol Case.
• American Medical Information Association (AMIA) contest, based on National Health and Nutrition Examination Survey (NHANES), open to students.
• KDD Cup 2007, predicting aspects of movie rating behavior (related to Netflix Cup).
• PAKDD-2007 competition, focusing on Cross-Selling.
• Agnostic Learning vs. Prior Knowledge, Does adding domain/prior knowledge really help or can we use as well "dumb" features and a good learning algorithm?
• NN3: 2006-2007 Forecasting competition for Neural Networks and Computational Intelligence Methods, forecasting time series.