Re: [arc-dev] RDF statements don't have identifiers
From: Eric Hanson
Subject: Re: [arc-dev] RDF statements don't have identifiers
Date: Sat, 17 May 2008 01:02:30 -0700
Olivier GENDRIN wrote:
>
>> Here's the problem: As far as I can tell, it's not possible
>> to make statements about statements, because RDF statements
>> don't have identifiers. As such, it's impossible to do a
>> whole host of things that I believe are essential to any
>> web-scale data platform:
>
> You can give them identifier. If in a database, a statment would have an
> statement_id...
In ARC's internal structure (for example) statements do have internal
IDs. However, these IDs aren't URIs, they're the relational IDs of the
backend MySQL store, so they can't be used to describe the statement.
This of course isn't a weakness of ARC, it's just the way RDF works.
Eric
