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Re: PROV-ISSUE-30 (name-for-bob): What name do we use for the BOB construct? [Conceptual Model]

From: Reza B'Far <reza.bfar@oracle.com>
Date: Sun, 24 Jul 2011 08:52:55 -0700
Message-ID: <4E2C3FD7.2090903@oracle.com>
To: public-prov-wg@w3.org
I second the term "Snapshot".  This term also has functional usage in several 
commercial application categories used within roughly the same meaning.

On 7/24/11 3:45 AM, Khalid Belhajjame wrote:
>
> Hi Stephan,
>
> Given the example you gave in your previous email, I think that 
> "EntitySpanshot" or "Snapshot" should be fine, given that it reflect the fact 
> that it is a description of an entity that holds for some period of time.
>
> Do you agree?
>
> khalid
>
> On 23/07/2011 20:24, Stephan Zednik wrote:
>> I do not feel that EntityInstance, EntityInstantiation, or InstantiatedEntity 
>> make sense for the book ownership scenario, or any scenario modeling the 
>> provenance of changes in characteristics of a physical object.
>>
>> To reiterate the example since I haven't committed it to a wiki page yet.  
>> Book X is an entity that represents a real world object.  It can be put on a 
>> shelf, loaned to friends, damaged, and/or destroyed.  It has important 
>> characteristics (condition, ownership, location, etc) that may change over 
>> the life of the book.  We may want to represent the provenance of the book as 
>> a chain of ownership.
>>
>> |<----------------------------------------------------- Book X 
>> ----------------------------------------------------------------->|
>> |<!------ Book X with owner A ---->|<----Book X with owner B ---->|<---- Book 
>> X with owner A --------->|
>>
>> If a book changes ownership, is the "book with changed ownership" a different 
>> EntityInstance?  A different InstantiatedEntity?  I don't think what we 
>> current call a BOB is an 'instance of' anything.  I think of it as a 
>> description of an entity that holds for some time period (not necessarily 
>> given) for which contextually important mutable characteristics of the the 
>> entity are held to be known.
>>
>> --Stephan
>>
>> On 7/22/2011 5:29 AM, Curt Tilmes wrote:
>>> On 07/22/2011 03:43 AM, Khalid Belhajjame wrote:
>>>> The term "Snapshot" was suggested some time ago, and it seems that
>>>> several people did like it.
>>>> We can also use the term "EntitySnapshot".
>>>
>>> Following from snapshot:
>>>
>>> EntityInstance
>>> EntityInstantiation
>>> InstantiatedEntity
>>>
>>> Curt
>>>
>>>
>>>
>>
>>
>>
>
>
Received on Sunday, 24 July 2011 15:53:32 GMT

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