Kohji Kamejima. Robotic communication with/within annotated geographics - message from RO-MAN 2000 -. In Henrik I. Christensen, editor, 20th IEEE International Symposium on Robot and Human Interactive Communication, RO-MAN 2011, Atlanta, Georgia, USA, July 31 - August 3, 2011. pages 491-496, IEEE, 2011. [doi]