New Frontiers in Artificial Intelligence JSAI 2008 Conference and Workshops, Asahikawa, Japan, June 11-13, 2008, Revised Selected Papers - Hattori, Hiromitsu; Kawamura, Takahiro; Idé, Tsuyoshi; Yokoo, Makoto; Murakami, Yohei (Springer Berlin Heidelberg : Imprint: Springer, 2009)