New Frontiers in Artificial Intelligence JSAI-isAI 2011 Workshops, LENLS, JURISIN, ALSIP, MiMI, Takamatsu, Japan, December 1-2, 2011. Revised Selected Papers - Okumura, Manabu; Bekki, Daisuke; Satoh, Ken (Springer Berlin Heidelberg : Imprint: Springer, 2012)