Situated Reference in a Hybrid Human-Robot Interaction System Manuel Giuliani author Mary Ellen Foster author Amy Isard author Colin Matheson author Jon Oberlander author Alois Knoll author 2010-07 text Proceedings of the 6th International Natural Language Generation Conference John Kelleher editor Brian Mac Namee editor Ielka van der Sluis editor Association for Computational Linguistics conference publication giuliani-etal-2010-situated https://aclanthology.org/W10-4207/ 2010-07