ISSUE-191: Section 5.3.1.2 (PROV-DM as on Nov 28)

Section 5.3.1.2 (PROV-DM as on Nov 28)

State:

CLOSED

Product:

prov-dm

Raised by:

Satya Sahoo

Opened on:

2011-12-07

Description:

Hi,
The following are my comments for Section 5.3.1.2 of the PROV-DM (as on Nov 28):

5.3.1.2 Usage Record
1. "For any entity, the following temporal constraint holds: the generation of an entity always precedes any of its usages."

Comment: This is not a temporal constraint, since it only enforces a partial order between events.

2. "Given an activity record identified by a, an entity record identified by e, a set of attribute-value pairs attrs, and optional time t, if assertion used(a,e,attrs) or used(a,e,attrs,t) holds, then the following temporal constraint holds: the usage of the entity represented by entity record identified by e precedes the end of activity represented by record identified by a and follows its start."

Comment: Similar to previous constraint, this is an event ordering constraint and not a temporal constraint. Especially for assertion used(a,e,attrs) where there is not time value explicitly associated with used.

Thanks.

Best,
Satya

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Related emails:

1. Re: PROV-ISSUE-191: Section 5.3.1.2 (PROV-DM as on Nov 28) [prov-dm] (from L.Moreau@ecs.soton.ac.uk on 2012-01-12)
2. Re: PROV-ISSUE-191: Section 5.3.1.2 (PROV-DM as on Nov 28) [prov-dm] (from satya.sahoo@case.edu on 2012-01-11)
3. Re: PROV-ISSUE-191: Section 5.3.1.2 (PROV-DM as on Nov 28) [prov-dm] (from L.Moreau@ecs.soton.ac.uk on 2011-12-19)
4. Re: PROV-ISSUE-191: Section 5.3.1.2 (PROV-DM as on Nov 28) [prov-dm] (from satya.sahoo@case.edu on 2011-12-08)
5. Re: PROV-ISSUE-191: Section 5.3.1.2 (PROV-DM as on Nov 28) [prov-dm] (from L.Moreau@ecs.soton.ac.uk on 2011-12-08)
6. PROV-ISSUE-191: Section 5.3.1.2 (PROV-DM as on Nov 28) [prov-dm] (from sysbot+tracker@w3.org on 2011-12-07)

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