- From: Damian Steer <pldms@mac.com>
- Date: Mon, 02 Nov 2009 17:06:55 +0000
- To: Pat Hayes <phayes@ihmc.us>
- CC: semantic-web@w3.org
Pat Hayes wrote: > > On Nov 2, 2009, at 5:12 AM, Damian Steer wrote: >> I did a quick talk at TPAC last year: > > Do you have slides/text available? This is the text (near enough). It was a very quick scoot through things that (may) need fixing. I can put the slides up if you want. They amount to the text of each bullet below on a slide. >> * Make bnode unlabelled, rather than existentially quantified var. > > Hmm, not at all obvious to me what this distinction amounts to. > Unlabelled *is* existentially quantified, to all semantic purposes. > Unfortunately, RIF has muddied this water by putting in meaningless > distinctions. I must confess this is one of those issues which I didn't grasp (I asked around for painful corners of rdf). The issue was something like 'life would be easier if bnode didn't imply one _or more_ things'. >> * Equivalence relations. Seems like every use of sameAs is incorrect. >> >> I also liked Pat's keynote as ISWC. Alas, he didn't have much to say >> on the last issue. >> > > There wasn't time. 'He would have liked to have said much more on the last issue' is what I meant. What I originally wrote is wildly at odds with that. Apologies. > I'll tweet when Ive got the slides on that topic > posted, hopefully soon. In brief: there are at least 4 distinct notions > of same-but-not-sameAs Ive managed to identify so far, and Im sure there > will be more. Bottom line: no single solution will work, so no RDF2 > magic bullet. But Im sure we can do something useful. Thanks Pat. I'm looking forward to reading this, Damian
Received on Monday, 2 November 2009 17:07:46 UTC