Eamonn Keogh, Jessica Lin, Ada Fu This webpage provides some extra details about time series discords. The first paper on time series discords was: E. Keogh, J. Lin and A. Fu (2005). HOT SAX: Efficiently Finding the Most Unusual Time Series Subsequence. In The Fifth IEEE International Conference on Data Mining. Click here for a slightly longer version of the paper. This 10 page version has more ex