Re: merge /solution / xtm-algebra

* Kal Ahmed
| 
| As for the actual algorithm, I think that you can make one small
| simplification. Basically if you are dealing with topic maps as
| addressable resources (e.g. as XTM, LTM or AsTMa files); then you
| can maintain a list of the resource addresses you have parsed during
| your processing, and only visit those references that you have not
| already visited previously.

Actually, once the new 13250 is published this will be required. (If
you want to avoid trouble it's pretty much required already.)
 
| 1) Filter the topic map to leave only a specific ontology
| (type-based filtering)

Robert Barta has suggested that TMCL can be used to do filtering in
this way. I think that makes perfect sense.
 
| I'm sure that there are more as well. It would be an intersting
| project for someone to define a more complete set of such operators
| and to show how such operators might be combined for practical
| purposes such as presentation, reporting, and interchange.

Definitely.

-- 
Lars Marius Garshol, Ontopian         <URL: http://www.ontopia.net >
GSM: +47 98 21 55 50                  <URL: http://www.garshol.priv.no >