Keiichi Yamazaki Akiko Yamazaki Mai Okada Yoshinori Kuno Yoshinori Kobayashi Yosuke Hoshi Karola Pitsch Paul Luff Dirk vom Lehn Christian Heath Revealing gauguin: engaging visitors in robot guide's explanation in an art museum. 1437-1446 2009 CHI http://doi.acm.org/10.1145/1518701.1518919 conf/chi/2009 db/conf/chi/chi2009.html#YamazakiYOKKHPLLH09