Jingtao Yao Pawan Lingras Wei-Zhi Wu Marcin S. Szczuka Nick Cercone Dominik Slezak Rough Sets and Knowledge Technology, Second International Conference, RSKT 2007, Toronto, Canada, May 14-16, 2007, Proceedings RSKT Lecture Notes in Computer Science 4481 Springer 2007 978-3-540-72457-5 db/conf/rskt/rskt2007.html