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Re: Well Behaved RDF - Taming Blank Nodes, etc.

From: Steve Harris <steve.harris@garlik.com>
Date: Wed, 19 Dec 2012 17:43:23 +0000
Cc: Henry Story <henry.story@bblfish.net>, Pat Hayes <phayes@ihmc.us>, David Booth <david@dbooth.org>, semantic-web <semantic-web@w3.org>
Message-Id: <389DA7D7-5EF2-42CD-9EF2-42914E11F9B8@garlik.com>
To: Lee Feigenbaum <lee@thefigtrees.net>
On 2012-12-19, at 16:36, Lee Feigenbaum wrote:
>> In any otherwise you end up with names that are just complicated blank nodes, and you
>> then have exactly the same problem as blank nodes, except you just end up growning and
>> growing your names as you go along.
> 
> Well, except they don't have the same problems as blank nodes: UUID URIs are stable from one query to the next and can be linked to and referenced across document/database-context.

Yes, this is the key problem with bNodes, which means you have to be /really/ careful about how and when you use them.

We have local hacks to get round the issue, but that's not great. RDF 1.1 bNode skolemisation provides a more generic solution.

- Steve
Received on Wednesday, 19 December 2012 17:43:59 UTC

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