Re: A question for Mr. Celko

From: Mikito Harakiri <mikharakiri_at_iahu.com>
Date: Wed, 21 Jul 2004 11:41:36 -0700
Message-ID: <GZyLc.31$gH5.31@news.oracle.com>

"Jan Hidders" <jan.hidders_at_REMOVETHIS.pandora.be> wrote in message news:pan.2004.07.21.11.04.38.324586_at_REMOVETHIS.pandora.be...
> For something a little more recent:
>
> http://citeseer.ist.psu.edu/liu94algebraic.html
>

Their selection definition hindges on the concept of "selection-comparable" nodes. The limitation when we are not allowed to compare arbitrary nodes in the tree looks rather ad-hock. What is the motivation behind it? Received on Wed Jul 21 2004 - 13:41:36 CDT