W3C home > Mailing lists > Public > public-prov-wg@w3.org > March 2012

Re: unchewed gum and coupons

From: Curt Tilmes <Curt.Tilmes@nasa.gov>
Date: Fri, 30 Mar 2012 10:13:00 -0400
Message-ID: <4F75BF6C.3080604@nasa.gov>
To: <public-prov-wg@w3.org>
On 03/30/2012 09:32 AM, Stian Soiland-Reyes wrote:
> On Fri, Mar 30, 2012 at 14:16, Timothy Lebo<lebot@rpi.edu>  wrote:
>>> So the consumption means the entity can't be used/involved with
>>> anything after that - what is then the (later) expiration?
>> That the entity can't be used/involved with anything after the
>> given time (independent of any consumption).
> Reasonable, but is that not out of scope for PROV? That is a plan, or
> intended life time. It is like saying the work activity should stop at
> 17:00, however it lasted until 19:15.

I think you are both hitting the right issue.

There is a difference between saying something shouldn't be used and
saying it can't be used (i.e. it is impossible for it to have been

I agree -- we want to handle the later case, not the former.

Received on Friday, 30 March 2012 14:13:35 UTC

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