- From: Arthur Ryman <arthur.ryman@gmail.com>
- Date: Sat, 23 May 2015 10:16:54 -0400
- To: Holger Knublauch <holger@topquadrant.com>
- Cc: "public-data-shapes-wg@w3.org" <public-data-shapes-wg@w3.org>
Holger, Thx. Do you believe that the constraint cannot be translated into a single SPARQL query? -- Arthur On Fri, May 22, 2015 at 6:44 PM, Holger Knublauch <holger@topquadrant.com> wrote: > On 5/23/2015 4:16, Arthur Ryman wrote: >> >> Your comments are valid. I think the article would be improved if it >> included a real-world example too. To be convincing, the example should make >> use of recursion in a non-trivial way in the sense that it could not be >> expressed by your SHACL-SPARQL proposal. At this point I conjecture that >> such an example exists. It would be very instructive to have an example that >> can be expressed in something as simple as Resource Shape 2.0, but that is >> not expressible as a single SPARQL query. If you already have such an >> example, please share it. Otherwise I'll try to construct one. > > > Attached is a SHACL version of the Polentoni scenario that Peter shared with > the group a few months ago. Note the direct recursion in sh:valueShape. > > HTH > Holger >
Received on Saturday, 23 May 2015 14:17:23 UTC