- From: Antoine Zimmermann <antoine.zimmermann@emse.fr>
- Date: Thu, 29 Nov 2018 00:12:43 +0100
- To: Ivan Herman <ivan@w3.org>, David Booth <david@dbooth.org>
- Cc: semantic-web <semantic-web@w3.org>
Gentlemen, "Aiden Hogen"@en-US-David-Booth owl:sameAs "Aiden"@en-HU-Ivan-Herman owl:sameAs "Aidan Hogan"@en-IE . There you have it: literals in subject position, weird reasoning on language-tagged strings, owl:sameAs, and quints. --The typographical error policeman. On 26/11/2018 10:18, Ivan Herman wrote: > > >> On 26 Nov 2018, at 07:26, David Booth <david@dbooth.org >> <mailto:david@dbooth.org>> wrote: >> >> On 11/24/18 6:50 AM, Hugh Glaser wrote: >> > And no, I don't want a Blank Node for [a location that has >> > labels] - the system that generates this should create a URI >> > if it doesn't already have one ;-) >> >> I like this line of thought. I would much rather have auto-generated >> URIs, that are predictable and distinguishable as auto-generated, than >> blank nodes. And even better, those auto-generated URIs could be >> generated using a standard algorithm, so that all tools would generate >> them the same way. >> >> As Aiden Hogen et all point out in "Everything You Always Wanted to >> Know About Blank Nodes": "the vast majority of blank nodes form tree >> structures", i.e., they do not contain blank node cycles. >> http://www.websemanticsjournal.org/index.php/ps/article/download/365/387 >> >> If blank node cycles were prohibited in RDF, then predictable URIs >> could be automatically generated for those blank nodes, bottom-up >> recursively based on the tree structure. And prohibiting blank node >> cycles would not be a huge loss, because even the few cases that do >> use blank node cycles could be brought into conformance by replacing a >> few of the blank nodes with URIs, to break the cycles. > > It also means that the problem of canonicalization/signature/etc would > become way easier. The algorithms that I referred to in[1] are getting > complicated due to those b-node cycles (I hope that Aiden, if he reads > this, agrees with me). They would be way simpler if this restrictions > was in place. > > I. > > > [1] https://lists.w3.org/Archives/Public/semantic-web/2018Nov/0070.html > > > >> >> David Booth >> > > > ---- > Ivan Herman, W3C > Publishing@W3C Technical Lead > Home: http://www.w3.org/People/Ivan/ > mobile: +31-641044153 > ORCID ID: https://orcid.org/0000-0003-0782-2704 >
Received on Wednesday, 28 November 2018 23:13:10 UTC