ISSUE-212: Property constraints and focus node constraints

Property constraints

Property constraints and focus node constraints

State:
CLOSED
Product:
SHACL Spec
Raised by:
Karen Coyle
Opened on:
2016-11-22
Description:
Peter's email: https://lists.w3.org/Archives/Public/public-rdf-shapes/2016Nov/0005.html

Data Graph D:

ex:i1 rdf:type ex:c ;
ex:p1 ex:i2 .

1/ property constraints and focus node constraints

Shapes Graph S1:

se:s1 rdf:type sh:Shape ;
sh:targetClass ex:c ;
sh:property [ sh:predicate ex:p2 ;
sh:property se:s2 ] ;
sh:shape se:s2 .
se:s2 sh:predicate ex:p1 ;
sh:class ex:c .

Validating D against S1 produces the following validation report

[ rdf:type sh:ValidationResult ;
sh:severity sh:Violation ;
sh:focusNode ex:i1 ;
sh:sourceConstraintComponent sh:ShapeConstraintComponent ;
sh:sourceShape se:s1 ] .

It is actually a tiny bit unclear what makes a property constraint. There
is wording that values of sh:property have sh:PropertyConstraint as expected
type, but there is no actual explicit connection between nodes with expected
type sh:PropertyConstraint. However, se:s2 is definitely a property
constraint as it is the value of sh:property in a shape.
Related Actions Items:
No related actions
Related emails:
  1. Re: shapes-ISSUE-212 (Property constraints): Property constraints and focus node constraints [SHACL Spec] (from holger@topquadrant.com on 2016-11-29)
  2. Re: shapes-ISSUE-212 (Property constraints): Property constraints and focus node constraints [SHACL Spec] (from kcoyle@kcoyle.net on 2016-11-28)
  3. Re: shapes-ISSUE-212 (Property constraints): Property constraints and focus node constraints [SHACL Spec] (from kontokostas@informatik.uni-leipzig.de on 2016-11-28)
  4. Re: shapes-ISSUE-212 (Property constraints): Property constraints and focus node constraints [SHACL Spec] (from holger@topquadrant.com on 2016-11-28)
  5. Re: shapes-ISSUE-212 (Property constraints): Property constraints and focus node constraints [SHACL Spec] (from kontokostas@informatik.uni-leipzig.de on 2016-11-28)
  6. Re: shapes-ISSUE-212 (Property constraints): Property constraints and focus node constraints [SHACL Spec] (from holger@topquadrant.com on 2016-11-28)
  7. Re: shapes-ISSUE-212 (Property constraints): Property constraints and focus node constraints [SHACL Spec] (from kontokostas@informatik.uni-leipzig.de on 2016-11-28)
  8. Re: shapes-ISSUE-212 (Property constraints): Property constraints and focus node constraints [SHACL Spec] (from holger@topquadrant.com on 2016-11-28)
  9. Re: shapes-ISSUE-212 (Property constraints): Property constraints and focus node constraints [SHACL Spec] (from kontokostas@informatik.uni-leipzig.de on 2016-11-28)
  10. Re: shapes-ISSUE-212 (Property constraints): Property constraints and focus node constraints [SHACL Spec] (from holger@topquadrant.com on 2016-11-24)
  11. shapes-ISSUE-212 (Property constraints): Property constraints and focus node constraints [SHACL Spec] (from sysbot+tracker@w3.org on 2016-11-22)

Related notes:

RESOLUTION: Close ISSUE-212 as resolved by https://lists.w3.org/Archives/Public/public-data-shapes-wg/2016Nov/0129.html and replace the term "focus node constraint" with "shape" throughout the document.
See https://www.w3.org/2016/12/14-shapes-minutes.html#resolution05

Arnaud Le Hors, 15 Dec 2016, 19:07:14

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