Sorry
2014-04-23 9:28 GMT+02:00 Dave Reynolds <[email protected]>: > On 23/04/14 00:22, ameni ameni wrote: > >> How can i get accesed to the conclusion of SWRL rules from Jena API ? >> >> > Asking the same question multiple different ways, especially when it has > already been answered, is not good practice and doesn't encourage people to > try to help you. Please don't. > > To summarize and explain the responses you've had so far: > > 1. Pellet includes some support for SWRL but is not part of the Jena > project. For all help on how to configure it and debug it you are better > off asking on the pellet support list. > > 2. From Jena's point of view the reasoner simply makes additional inferred > triples available in the model. You can then query for these triples using > the API or SPARQL in the normal way. > > 3. Your specific example was of the form: > blah -> adult(?x) > > In terms of the RDF model this will, if it fires, create inferred triples > of the form: > > x rdf:type ex:Adult > > So a query like: > > SELECT ?x WHERE { ?x a ex:Adult } > > is appropriate. > > We can't tell you what ex: is, that's in your data. If you can't figure > it out then you could try to run a query like: > > SELECT DISTINCT ?type WHERE { [] a ?type } > > over your inferred model and see what ?types are present. > > Or if your data is not too big: > > SELECT * WHERE { ?x a ?type } > > to find the type of everything. > > If there is nothing related to Adult in there then perhaps your rule > hasn't fired. > > Dave > >
