Hyun Kim Kazuo Nishii Kuniaki Sasaki O. Esmael Yeon-Kyu Kim Causal Analysis of the Relationship of Excursion Behavior with Information Usage in the Fuji Five Lakes Area. 492-499 2007 conf/mue/2007 MUE http://doi.ieeecomputersociety.org/10.1109/MUE.2007.103 db/conf/mue/mue2007.html#KimNSEK07