Hi Holger, Thank you for your response and the detailed information. Julie On Saturday, November 6, 2021 at 2:26:11 AM UTC+1 Holger Knublauch wrote:
> Hi Julie, > > I assume you want to instantiate sh:SPARQLRule > https://w3c.github.io/shacl/shacl-af/#SPARQLRule > > and link a class/shape with that rule using sh:rule. sh:sparql is used for > constraints, not inference rules. > > You can see an example of this in the datacube.shapes.ttl file: > > qb:ComponentPropertyRuleShape > a sh:NodeShape ; > rdfs:comment "A SHACL rule that can be used to infer additional triples > that copies all values of the sub-properties of qb:componentProperty into > qb:componentProperty itself. This is needed because many constraints here > only reference qb:componentProperty." ; > sh:rule [ > a sh:SPARQLRule ; > sh:construct """CONSTRUCT { > ?subject qb:componentProperty ?object . > } > WHERE { > ?subject qb:attribute|qb:dimension|qb:measure|qb:measureDimension > ?object . > }""" ; > sh:order 0 ; > sh:prefixes <http://topbraid.org/datacube> > <http://topbraid.org/datacube> ; > ] ; > sh:targetNode sh:this ; > . > > and many more in the file owl2shacl.ttl > > One area where every newcomer seems to trip over is how to use > sh:prefixes. To get started and keep it simple you may want to just place > them as PREFIX declarations into each rule. Otherwise, > https://www.w3.org/TR/shacl/#sparql-prefixes > > Holger > > > On 2021-11-06 9:52 am, Julie Budaher wrote: > > Hi, > Sorry for the basic question , but I am eventually new to this domain. > I am confused about the difference between a sparql query and a sparql > constraint that is added in order to inference new triples. I have sparql > queries that I need to put them in the form of shacl rules in order to make > inference, and when I add the sparql query in sh:sparql, I am getting an > error saying:Error: value must be an instance of sparql constraint. Can > someone explain to me, please, how can I use these sparql queries as sparql > constraints ? Thank you in advance > > -- > You received this message because you are subscribed to the Google Groups > "TopBraid Suite Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/topbraid-users/530d8d3e-0dec-40c0-bd01-ead87639f57fn%40googlegroups.com > > <https://groups.google.com/d/msgid/topbraid-users/530d8d3e-0dec-40c0-bd01-ead87639f57fn%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > -- You received this message because you are subscribed to the Google Groups "TopBraid Suite Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/topbraid-users/5806c1be-411d-4a73-aee0-f0cea36d58c6n%40googlegroups.com.
