- From: Pat Hayes <phayes@ihmc.us>
- Date: Thu, 19 Jul 2012 11:39:11 -0500
- To: David Booth <david@dbooth.org>
- Cc: Tim Berners-Lee <timbl@w3.org>, public-rdf-comments@w3.org, David Wood <david@3roundstones.com>, Sandro Hawke <sandro@w3.org>
On Jul 18, 2012, at 4:42 PM, David Booth wrote: > 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. I agree in spades. Continuing the absurd and irrational decision to disallow literals in subject position was the worst decision that the RDF WG has taken so far. Pat > (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. > > > ------------------------------------------------------------ IHMC (850)434 8903 or (650)494 3973 40 South Alcaniz St. (850)202 4416 office Pensacola (850)202 4440 fax FL 32502 (850)291 0667 mobile phayesAT-SIGNihmc.us http://www.ihmc.us/users/phayes
Received on Thursday, 19 July 2012 16:39:49 UTC