Hayato Kobayashi Kohei Hatano Akira Ishino Ayumi Shinohara Reducing Trials by Thinning-Out in Skill Discovery. 127-138 2007 conf/dis/2007 Discovery Science http://dx.doi.org/10.1007/978-3-540-75488-6_13 db/conf/dis/dis2007.html#KobayashiHIS07