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RE: Red Hat on Versioning Structured Content

From: Tansley, Robert <robert.tansley@hp.com>
Date: Mon, 9 Jun 2003 12:52:38 -0700
Message-ID: <40700B4C02ABD5119F00009027876644EA3957@hplex1.hpl.hp.com>
To: bass@mit.edu, www-rdf-dspace@w3.org

[Sorry for the late reply, finally catching up!)

> See in particular, with respect to prior conversation on the further 
> refinement of Harmony Events and DSpaceEvents:
> 
> object events 
> 	create 
> 	delete 
> property events 
> 	set 
> 	add 
> 	remove 
> 
> all events operate on an object 
> property events also have a property and an argument
> 
> (slide 21)
> 
> 
> There is a distinction here that we have not made.  I am 
> wondering about the 
> implications of this?

It looks to me like the events in this model are more fine-grained than we need in the History system.  In this CCM work it looks like you capture the fact that property X was changed to Y.  In the History system, we'd probably model something more along the lines of here was the object before, this is the event of an admin changing the metadata, this is what the object looked like after that event.

 Robert Tansley / Hewlett-Packard Laboratories / (+1) 617 551 7624
Received on Monday, 9 June 2003 15:52:49 EDT

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