Re: Blog post about "Provenance in RDF-star"

On 1/28/22 3:01 AM, Pierre-Antoine Champin wrote:
>
> Hi Kingsley
>
> On 26/01/2022 22:42, Kingsley Idehen wrote:
>> On 1/26/22 3:34 PM, Pierre-Antoine Champin wrote:
>>> Dear all,
>>>
>>> following a discussion during our two last calls, I published a post 
>>> about "Provenance in RDF-star":
>>>
>>> https://www.w3.org/community/rdf-dev/2022/01/26/provenance-in-rdf-star/
>>>
>>> quoting the intro:
>>>
>>> > In this post, we present some lessons learned by the group through 
>>> discussions and exchanges. This is meant to give some insight about 
>>> the rationale behind RDF-star, and some guidelines about how to best 
>>> use it for modeling provenance data.
>>>
>>> Many thanks to all the participants of the RDF-star group for their 
>>> reviews and feedback on this post.
>>>
>>>   pa
>>>
>>
>> Hi Pierre-Antoine,
>>
>> An opening example in that blog post:
>>
>> PREFIX : <http://www.example.org/>
>>
>> << :employee38 :jobTitle "Assistant Designer" >>
>>     :accordingTo :employee22, :employee38 ;
>>     :confidence 0.8 .
>>
>> My variant using RDF as it exists.
>>
>> ## RDF-Turtle Start ##
>>
>> # PREFIX : <http://www.example.org/>
>> PREFIX schema: <http://schema.org/>
>> PREFIX : <#>
>>
>> [
>>   :jobTitle "Assistant Designer" ;
>>   schema:identifier :employee38  # if desired, 
>> inverse-functional-property semantics can be applied to the 
>> schema:identifier relation.
>> ] :accordingTo :employee22, :employee38 ;
>>   :confidence 0.8 .
>>
>> ## RDF-Turtle End ##
>>
>> What is the difference between both? Is it that your RDF-Star example 
>> expresses a statement (*utterance*) while mine expresses a fact 
>> (*proposition*)?
>>
> The answer to this question does not depend, in my view, on the use of 
> RDF-star vs. plain RDF, but it depends on the particular ontology you 
> are using. More specifically, what is the domain of :accordingTo and 
> :confidence? That's the answer to your question.
>
> (although, in the RDF-star case, the answer might be a little 
> convoluted, as discussed with Antoine [1]; something like e.g. 
> ":confidence links a triple to the confidence level we have in the 
> proposition made by this triple").$
>
> The real difference that RDF-star makes, IMO, is that it provides 
> homogeneity between the things you talk about and the things you 
> assert. E.g:
>
>   << :employee38 :jobTitle "Assistant Designer" >> :confidence 0.8.
>   :employee22 :jobTitle "Senior Manager" {| :confidence 1.0 |}.
>
> best
>
> [1] https://lists.w3.org/Archives/Public/public-rdf-star/2022Jan/0095.html
>

Are you saying that:

RDF-star is syntax-sugar for homogenizing an utterance (or statement) 
and fact (or proposition) ?


Kingsley

>> "A *statement* occurs at a particular time and place. But a *fact* is 
>> independent of time and place." [1]
>>
>>
>> Links:
>>
>> [1] 
>> https://groups.google.com/d/msgid/ontolog-forum/d37df77c62aa4cdab97ad92a30821600%40bestweb.net 
>> -- John F. Sowa post about statements and facts
>>
>>
>> -- 
>> Regards,
>>
>> Kingsley Idehen 
>> Founder & CEO
>> OpenLink Software
>> Home Page:http://www.openlinksw.com
>> Community Support:https://community.openlinksw.com
>> Weblogs (Blogs):
>> Company Blog:https://medium.com/openlink-software-blog
>> Virtuoso Blog:https://medium.com/virtuoso-blog
>> Data Access Drivers Blog:https://medium.com/openlink-odbc-jdbc-ado-net-data-access-drivers
>>
>> Personal Weblogs (Blogs):
>> Medium Blog:https://medium.com/@kidehen
>> Legacy Blogs:http://www.openlinksw.com/blog/~kidehen/
>>                http://kidehen.blogspot.com
>>
>> Profile Pages:
>> Pinterest:https://www.pinterest.com/kidehen/
>> Quora:https://www.quora.com/profile/Kingsley-Uyi-Idehen
>> Twitter:https://twitter.com/kidehen
>> Google+:https://plus.google.com/+KingsleyIdehen/about
>> LinkedIn:http://www.linkedin.com/in/kidehen
>>
>> Web Identities (WebID):
>> Personal:http://kingsley.idehen.net/public_home/kidehen/profile.ttl#i
>>          :http://id.myopenlink.net/DAV/home/KingsleyUyiIdehen/Public/kingsley.ttl#this
>>

-- 
Regards,

Kingsley Idehen 
Founder & CEO
OpenLink Software
Home Page:http://www.openlinksw.com
Community Support:https://community.openlinksw.com
Weblogs (Blogs):
Company Blog:https://medium.com/openlink-software-blog
Virtuoso Blog:https://medium.com/virtuoso-blog
Data Access Drivers Blog:https://medium.com/openlink-odbc-jdbc-ado-net-data-access-drivers

Personal Weblogs (Blogs):
Medium Blog:https://medium.com/@kidehen
Legacy Blogs:http://www.openlinksw.com/blog/~kidehen/
               http://kidehen.blogspot.com

Profile Pages:
Pinterest:https://www.pinterest.com/kidehen/
Quora:https://www.quora.com/profile/Kingsley-Uyi-Idehen
Twitter:https://twitter.com/kidehen
Google+:https://plus.google.com/+KingsleyIdehen/about
LinkedIn:http://www.linkedin.com/in/kidehen

Web Identities (WebID):
Personal:http://kingsley.idehen.net/public_home/kidehen/profile.ttl#i
         :http://id.myopenlink.net/DAV/home/KingsleyUyiIdehen/Public/kingsley.ttl#this