Over 90% of the sessions resulted in successful
completion of the task. While the task was quite
simple, and some of the dialogues fairly lengthy given the
task solved, this experiment does support the viability of
Referring
Expression
Likely Referent Source Used
“We” SS1: The set consisting
of USR and
SYS
The general setting of
the dialogue
“The
woman in
Penfield”
WOM1: The injured
woman in Penfield
previously discussed
Discourse history
“Strong” SMH1: Strong Memorial
Hospital
General world
knowledge and lexicon
Figure 7: Reference Resolution
9
dialogue-based interfaces, and validated the claim that such
systems would be usable without any user training.