Re: PROV-ISSUE-71 (Conceptual Model draft): Section 3.2 of Conceptual Model draft (Content and Editing) [Conceptual Model]

I have created ISSUE-82 to discuss events.

Luc

On 25/08/11 09:57, James Cheney wrote:
>>
>>>
>>>
>>>         12. Does an event have a time duration or does it happen in
>>>         a time instant? How is event related to PE or other
>>>         concepts? Is there a need to have a provenance concept
>>>         called "event" - alternatively we can describe the File
>>>         Scenario in Section 3.1 using time values?
>>>
>>>
>>>     Event are meant to occur at a time instant. Not sure we say it.
>>>     I would like a provenance concept 'event' to be introduced. This
>>>     would facilitate life in explaining things.
>>>
>>>     Should we raise this as an explicit issue?
>>>
>>>
>>>
>>> Would "event" be a specific part of a PE or can "event" be defined 
>>> independent of a PE? I am trying to understand this notion and its 
>>> scope.
>>
>> I see events as instantaneous timepoints that can be ordered 
>> according to some partial order.
>> Events are typed (start/end/use/generate).
>> A process execution encompasses a set of events (all the events it is 
>> connected to).
>
> Hi Luc and Satya
>
> Sorry to take the above out of context, but I just wanted to comment 
> on the event issue.  After reading the latest version of the 
> conceptual model I was also going to suggest adding event as a 
> concept, since it plays an important role but is currently implicit, 
> with something like the meaning you suggest above.
>
> In the Formal Model/Ontology conference call Deborah pointed us to this:
>
> http://www.daml.org/2001/03/axiomatic-semantics.html
>
> a FOL description/axiomatization of OWL that was used as an 
> intermediate point for gaining consensus prior to the development of 
> the denotational formal semantics.
>
> I will try to write a very very short wiki page by today's telecon 
> illustrating how this could apply to the provenance model, e.g. 
> relating entities, events, and process executions, and the 
> use/derivation/production relationships.
>
> --James
>
>
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>