From: poopdeville@...
Date: 2006-11-01T06:35:16+09:00
Subject: Re: Managing Hierarchical Tree-Like Data

x1 wrote:
> Team:
> I'm looking for a pragmatic way of creating a tree from a list of
> items without knowing the depth of each.
>

Here's a good algorithm for constructing a formal concept lattice.
http://lanl.arxiv.org/pdf/cs.DM/0602069

It's not particularly pragmatic, but it's fast and ultimately
equivalent to what you're trying to do.  

'cid 'ooh