Re: [xtm-wg] A challenge on "the graph"

[Sam Hunting <sam_hunting@yahoo.com>]

[murray]
> I wouldn't go so far as to say that a graph is inherently more
> difficult to comprehend; I remain to be convinced in either
direction.

Me too, actually (despite Jean's powerful advocacy.) 

[murray]
> What I'm hoping to see is that an existing graph formalism can be
used
> to describe the topic maps data model.

Four hares have been stared onn this subject: (1) Jack Park posted URLs
on precedents; (2) graph theorists are doing research; (3) Eliot
suggests UNL; and (4) groves (modulo some grove-centric details...)

Personally, I'm leaning toward groves, since (a) property sets have
angle brackets, therefore I understand them, (b) property sets are
simple and elegant (unlike -- no flames please! -- UML, at least in my
experience), (c) groves do describe graphs, and (d) groves seem to meet
the node/property desire voiced by some implementors. (Kal?) 

[murray]
> We need a data model in order to describe a processing model. 

Please elucidate.

[murray]
> I'm skeptical that the current climate will produce it, but remain 
> somewhat optimistic because Sam is still trying.

Honestly, Murray, I think (and certainly hope) it's not just me.
Hopefully the procedural postings will soon be behind us, and we can
get back to technical work...

[murray]
> Yet there are those who have a difficult time with the W3C infoset
> too.

Me, for example. 


S.

P.S. There's no reason why documentation of a grove-based graph
shouldn't read as appealingly as the Infoset, and the very well-written
straw man that Lars put forth. (This is not a slam -- it is not
sufficient to have ideas, the ideas must be expressed.)

=====
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