Paula Cecilia Fritzsche Dolores Rexachs Emilio Luque Extracting Knowledge to Predict TSP Asymptotic Time Complexity. 309-318 2007 ICDM Workshops http://doi.ieeecomputersociety.org/10.1109/ICDMW.2007.43 conf/icdm/2007w db/conf/icdm/icdmw2007.html#FritzscheRL07