 Also see information on the UWL language, which is         a symbolic (non-probabilistic) approach to planning with         information-producing actions and conditionals.         <A HREF="ftp://ftp.cs.washington.edu/pub/ai/uwl-kr92.ps.Z">              <i> An Approach to Planning with Incomplete Information </i>         </a>            by              <A HREF="http://www.cs.washington.edu/people/faculty/etzioni.html">                 Etzioni             </a>,             <A HREF="http://www.cs.washington.edu/people/faculty/hanks.html">                 Hanks             </a>,             <A HREF="http://www.cs.washington.edu/people/faculty/weld.html">                  Weld             </a>,             <A HREF="http://www.cs.washington.edu/homes/ddraper">                  Draper             </a>,             <A HREF="http://www.cs.washington.edu/homes/neal">                  Lesh</a>, and             <A HREF="http://www.cs.washington.edu/homes/mikew"> Williamson</a>.       </ul>
