- From: David Booth <david@dbooth.org>
- Date: Wed, 18 Jul 2012 17:42:04 -0400
- To: Pat Hayes <phayes@ihmc.us>
- Cc: Tim Berners-Lee <timbl@w3.org>, public-rdf-comments@w3.org, David Wood <david@3roundstones.com>, Sandro Hawke <sandro@w3.org>
On Tue, 2012-07-17 at 22:42 -0500, Pat Hayes wrote: > On Jul 16, 2012, at 3:36 PM, Tim Berners-Lee wrote: [ . . . ] > > - By allowing a predicate to be used in either direction, it decreases > > the motivation for the antipattern define both p and inverse of p for all p. > > In other words, of you can write "is child of" you don't need > > to define a separate "parent" property. > > That is a VERY good argument for it. The others are user convenience > issues, but this one can have far-reaching effects on deployed linked > data. Agreed, though I must point out that the prohibition against literals as subjects FORCES this anti-pattern, because RDF statements are not uniformly invertible. (And now I'll crawl off to the corner again to lick my wounds from *that* issue.) -- David Booth, Ph.D. http://dbooth.org/ Opinions expressed herein are those of the author and do not necessarily reflect those of his employer.
Received on Wednesday, 18 July 2012 21:42:32 UTC