- From: Steve Harris <steve.harris@garlik.com>
- Date: Wed, 2 Mar 2011 17:16:02 +0000
- To: William Waites <ww@styx.org>
- Cc: Richard Cyganiak <richard@cyganiak.de>, Pat Hayes <phayes@ihmc.us>, nathan@webr3.org, Ivan Shmakov <oneingray@gmail.com>, semantic-web@w3.org
On 2011-03-02, at 16:21, William Waites wrote: > * [2011-03-02 15:54:15 +0000] Richard Cyganiak <richard@cyganiak.de> écrit: > > ] On 2 Mar 2011, at 14:18, William Waites wrote: > ] > maybe some convention or > ] > standard for skolemising blank nodes so they can be > ] > referred to might be a good thing? > ] > ] There is already a convention/standard for skolemising blank > ] nodes: just use a URI instead. > > And if I am not the author of the statements but I > want to consume and manipulate them? Surely you aren't > suggesting getting rid of bnodes completely? > > The vendor extensions that I was talking about do > exactly this. The problem is they do it in different > ways. Yup, it would be nice to have some sort of consensus on how to do this. There's a getout in SPARQL 1.1, as you can do URI(_:somebnode) to try and force a skolemisation, but I don't know how many systems support it, and it's awkward compared to a simple lexical transform. - Steve -- Steve Harris, CTO, Garlik Limited 1-3 Halford Road, Richmond, TW10 6AW, UK +44 20 8439 8203 http://www.garlik.com/ Registered in England and Wales 535 7233 VAT # 849 0517 11 Registered office: Thames House, Portsmouth Road, Esher, Surrey, KT10 9AD
Received on Wednesday, 2 March 2011 17:16:40 UTC