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Re: Temporal analysis or RDF graph data

From: Pat Hayes <phayes@ihmc.us>
Date: Wed, 31 Oct 2012 13:07:59 -0500
Cc: "public-lod@w3.org" <public-lod@w3.org>
Message-Id: <B792084C-39EC-4E90-8951-0C2213D4CFA4@ihmc.us>
To: Vishal Sinha <vishal.sinha777@yahoo.com>

On Oct 29, 2012, at 2:00 PM, Vishal Sinha wrote:

> Hi, 
> 
> I want to model a RDF graph such that I can query by temporal factors later, for example:
> - how the graph changed between 20th October 2012 to 30th October 2012. I want to see all updates.
> - Snapshot of a particular node on 20th July 2012, 25th July 2012, etc.
> 
> How can I model such a graph or how can I store such requirements in any RDF-srore providing such 
> functionality.

One way to use SPARQL datasets is to do exactly this, where the named graphs in the dataset are the 'snapshots' of the changes, and the name is a way to indicate the associated time (there are several ways to do this, you might want to invent your own.) 

Pat Hayes

> 
> Thanks,
> Vishal

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Received on Wednesday, 31 October 2012 18:08:38 UTC

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