PASCAL - Pattern 
Analysis, Statistical Modelling and Computational Learning
GREAT08 Challenge 1 March - 30 December 2008
Causality Challenge #1: Causation and Prediction Challenge 15 December 2007 - 30 April 2008
Human-machine comparisons of consonant recognition in noise challenge 1 December 2007 - 31 March 2008
Graph Labelling Challenge: Application to Web Spam Detection Challenge 1 January 2007 - 1 January 2008
Visual Object Classes Challenge 2007 1 January - 31 October 2007
Unsupervised Morpheme Analysis -- Morpho Challenge 2007 1 October 2006 - 21 September 2007
Agnostic Learning vs. Prior Knowledge Challenge 1 October 2006 - 1 August 2007
Third Recognising Textual Entailment Challenge 1 December 2006 - 1 June 2007
Learning when Test and Training Inputs have Different Distributions Challenge 1 June 2005 - 30 April 2007
Computer-Assisted Stemmatology Challenge 6 October 2006 - 14 April 2007
Type I and Type II Errors for Multiple Simultaneous Hyppothesis Testing Challenge 1 January 2006 - 1 February 2007
Letter-to-Phoneme Conversion Challenge 1 February 2006 - 31 January 2007
PASCAL ePrints Visualization Challenge 1 January - 31 December 2006
Exploration vs. Exploitation Challenge 19 January - 15 November 2006
Visual Object Classes Challenge 1 January - 30 June 2006
Unsupervised Segmentation of Words into Morphemes Challenge 1 September 2005 - 12 April 2006
Second Recognising Textual Entailment Challenge 1 October 2005 - 10 April 2006
XML Challenge Challenge 30 July 2005 - 1 April 2006
Performance Prediction Challenge 1 October 2005 - 1 March 2006
Inferring Relevance from Eye Movements Challenge 1 March - 1 September 2005
BCI Competition III Challenge 12 December 2004 - 22 May 2005
PASCAL Ontology Learning Challenge 1 November 2004 - 30 April 2005
Recognising Textual Entailment Challenge 1 June 2004 - 10 April 2005
101 Visual Object Classes Challenge 1 September 2004 - 31 March 2005
Assessing ML methodologies to Extract Implicit relations from documents Challenge 1 June 2004 - 28 February 2005
Large Hybrid Networks Challenge 1 July - 31 December 2004
Evaluating Predictive Uncertainty Challenge 1 September - 12 December 2004