- From: Joshua Allen <joshuaa@microsoft.com>
- Date: Mon, 4 Apr 2005 12:13:58 -0700
- To: "Geoff Chappell" <geoff@sover.net>, Bill de hÓra <bill.dehora@propylon.com>, <semantic-web@w3.org>
- Cc: "Danny Ayers" <danny.ayers@gmail.com>
Yeah, I was thinking just don't support bnodes -- replace them with some urn:bnode:random-guid syntax > -----Original Message----- > From: Geoff Chappell [mailto:geoff@sover.net] > Sent: Monday, April 04, 2005 11:58 AM > To: Joshua Allen; 'Bill de hÓra'; semantic-web@w3.org > Cc: 'Danny Ayers' > Subject: RE: Sync'ing triplestores > > > > > -----Original Message----- > > From: semantic-web-request@w3.org > [mailto:semantic-web-request@w3.org] > > On Behalf Of Joshua Allen > > Sent: Monday, April 04, 2005 2:03 PM > > To: Bill de hÓra; semantic-web@w3.org > > Cc: Danny Ayers > > Subject: RE: Sync'ing triplestores > > > > > As for identifying the triples, I would just let each quad > > (context+triple) identify the triple. The context would > be the URI > > for the source feed, perhaps. > > That might not be enough if the statement contains a blank node. > > For example if your repository contains: > > _:a1 a rss:item; dc:title "Item 1". > _:a2 a rss:item; dc:title "Item 2". > > And your update statement says: > > Delete: > > _:b1 a rss:item > > What happens? Both get deleted? Neither? It's tricky to > identify blank nodes. You have to rely on identification by > description and if you don't have an inverse function > property to work with, you just have to hope that your > description is unambiguous. > > -Geoff > >
Received on Monday, 4 April 2005 19:13:58 UTC