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Re: Union operations on graphs (was: Quick Comments on https://www.w3.org/TR/2016/WD-shacl-20160814/)

From: Dimitris Kontokostas <kontokostas@informatik.uni-leipzig.de>
Date: Sat, 24 Sep 2016 16:53:13 +0300
Message-ID: <CA+u4+a1PdVFOqgahpm6=QmXnPOp7p=uC=k_TVdNq1DEFHL=S7w@mail.gmail.com>
To: Holger Knublauch <holger@topquadrant.com>
Cc: "Peter F. Patel-Schneider" <pfpschneider@gmail.com>, "public-rdf-shapes@w3.org" <public-rdf-shapes@w3.org>
Hi Peter and thank you for your feedback

I tried to work further on this here
let me know if this resolves the issue.


On Friday, September 23, 2016, Holger Knublauch <holger@topquadrant.com>

> On 23/09/2016 11:36, Peter F. Patel-Schneider wrote:
>> union operations on data graphs and shapes graphs
>>> It is unclear just what the data graph and the shapes graph are. There is
>> wording that both of these cannot be changed. However, there is also
>> wording
>> that various kinds of union operations are to be performed on shapes and
>> data graphs.
>>>      Comment (HK): The only place I could find "union" was about handling
>> of owl:imports, which states that the result of this union is used as
>> shapes
>> graph. This looks OK to me. Could you clarify what you mean?
>>>      Comment (DK): I tried to make the wording clearer here:
>> https://github.com/w3c/data-shapes/commit/b6fd2db5719cc9c9bd
>> ec464acdd2aefc8d0b5b68
>> I don't find this much better.  If the shapes graph and the data graph
>> cannot be changed then there should not be wording about unioning,
>> extending, or otherwise modifying the shapes graph or the data graph.
> Dimitris, do you have time to revise this further? I guess we need to find
> a different term than "shapes graph" for the originally supplied graph. The
> real shapes graph may be the one that is the output of the transitive
> closure process.
> Thanks
> Holger
Received on Saturday, 24 September 2016 13:54:09 UTC

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