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PROV-ISSUE-43 (derivation-time): Deriviation should have associated time [Conceptual Model]

From: Provenance Working Group Issue Tracker <sysbot+tracker@w3.org>
Date: Sat, 23 Jul 2011 15:46:00 +0000
To: public-prov-wg@w3.org
Message-Id: <E1QkeOu-0007Ak-Bo@barney.w3.org>

PROV-ISSUE-43 (derivation-time): Deriviation should have  associated time [Conceptual Model]

http://www.w3.org/2011/prov/track/issues/43

Raised by: Paul Groth
On product: Conceptual Model

Other relationships have time associated with them (e.g. use, generation, control)

There is no optional time associated with derivation. 

Suggested resolution is to add the following to the definition of isDerivedFrom:

-  May contain a "derived from time" t, the time or time intervals when b1 was derived from b2

Example:
isDerivedFrom(b1,b2, t)
Received on Saturday, 23 July 2011 15:46:04 GMT

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