This directory contains CSRI TR-289: Philip G. Edmonds, "A computational model of collaboration on reference in direction-giving dialogues". (M.Sc. thesis, October 1993.) The files: thesis.ps.Z - thesis, not including appendix B. appendixB.ps.Z - appendix B (60 pages). To print the report, ftp it in binary mode, expand it with the Unix "uncompress" program, and print it on a postscript printer. Questions/Problems: e-mail pedmonds@cs.utoronto.ca pedmonds@cs.toronto.edu