DD><DL>

<DT><B>Returns:</B><DD><code>true</code> if the goal was launched successfully
<DT><B>Throws:</B>
<DD><CODE><code>IOException</code></CODE> - if there are any error on 
            the sockets.
<DD><CODE><code>PLException</code></CODE> - if there are any error on
            the Prolog process. If the Prolog goal raises an
            exception, it is propagated through the interface,
            and a <code>PLException</code> is raised in the
            user Java program.
<DD><CODE>java.io.IOExce