Re: PROV-ISSUE-340 (start-by-activity-is-comm): Start by Activity is Communication; drop it. [prov-dm]

Hi Tim,

I didn't see start as a subtype of usage. A long time ago, there was no 
enthusiasm for subtyping usage.
So, i didn't see the trigger as being used.

Luc

On 22/04/2012 19:18, Timothy Lebo wrote:
> Luc,
>
> Are you saying that there are entities that trigger an activity that are not used by that same activity?
>
> I would think that anything that triggered an activity would also be used by the activity (the trigger was used to start the activity).
>
> Are triggers properly treated in PROV, or we using some legacy terms to discuss these concepts?
>
> Thanks,
> Tim
>
> On Apr 11, 2012, at 12:37 AM, Luc Moreau wrote:
>
>    
>> Hi Tim,
>>
>> This is not a Communication since the entity generated by the starter is only trigger for the started activity (hence, not used).
>>
>> What would be the case for dropping it?
>>
>> Workflow people, what's your view?
>>
>> Professor Luc Moreau
>> Electronics and Computer Science
>> University of Southampton
>> Southampton SO17 1BJ
>> United Kingdom
>>
>> On 10 Apr 2012, at 21:37, "Provenance Working Group Issue Tracker"<sysbot+tracker@w3.org>  wrote:
>>
>>      
>>> PROV-ISSUE-340 (start-by-activity-is-comm): Start by Activity is Communication; drop it. [prov-dm]
>>>
>>> http://www.w3.org/2011/prov/track/issues/340
>>>
>>> Raised by: Timothy Lebo
>>> On product: prov-dm
>>>
>>> Start by Activity continues to be an outlier in this model. It's just a simple case of communication.
>>>
>>> Propose to drop "start by activity" and address it with existing structures and an entry in a best practices document.
>>>
>>>
>>>
>>>        
>>
>>      
>
>