Using Spatial Reference Frames to Generate Grounded Textual Summaries of Georeferenced Data Ross Turner author Somayajulu Sripada author Ehud Reiter author Ian Davy author 2008-06 text Proceedings of the Fifth International Natural Language Generation Conference Michael White editor Crystal Nakatsu editor David McDonald editor Association for Computational Linguistics Salt Fork, Ohio, USA conference publication turner-etal-2008-using https://aclanthology.org/W08-1104/ 2008-06 16 24