Path: utzoo!utgpu!watmath!thunder!water!wlrush
From: wlrush@water.waterloo.edu (Wenchantress Wench Wendall)
Newsgroups: ont.events,uw.talks,uw.cs.grad
Subject: ARTIFICIAL INTELLIGENCE AND COMPUTER GRAPHICS SEMINAR
Keywords: Professor Thomas Strothotte, Dept. of Computer Science,
Message-ID: <2466@water.waterloo.edu>
Date: 22 Jun 89 12:54:58 GMT
Distribution: ont
Organization: U of Waterloo, Ontario
Lines: 40

University of Stuttgart,  will speak on ``Pictures in Advice-Giving 
Dialog Systems:  From Knowledge Representation to the User Interface.''


DEPARTMENT OF COMPUTER SCIENCE
UNIVERSITY OF WATERLOO
SEMINAR ACTIVITIES

ARTIFICIAL INTELLIGENCE AND COMPUTER GRAPHICS SEMINAR

                    -Monday, June 26, 1989

Professor Thomas Strothotte, Dept. of Computer Science,
University  of  Stuttgart,  will speak on 
``Pictures in Advice-Giving Dialog Systems:   From 
Knowledge  Representation  to  the  User Interface.''

TIME:                 1:30 p.m.  PLEASE NOTE TIME!

ROOM:              DC 1304

ABSTRACT

In   knowledge-based   advice-giving   dialog  systems,
problem solving is typically carried out using symbolic
processing  and  the  output  is  usually produced in a
textual form. This kind of processing, based on symbols
and language, makes it very difficult to design systems
which  give  explanations in a pictorial form to users.
To  tackle  this  problem,  we present techniques which
enable   a   smooth  transition  between  the  symbolic
processing   of   problem  solving  and  the  pictorial
presentation of a solution. The techniques are based on
new   data   structures,   called  picture-frames,  for
pictorially   representing   knowledge.   Pictures  are
manipulated   and   built  up  incrementally  and  upon
completion  of  the problem- solving process, represent
the  solution to the problem. We discuss our experience
with  picture-frames  on  the  basis  of a prototypical
tutoring system implemented in Prolog.