On 12/22/16 9:38 AM, Jerven Tjalling Bolleman wrote: > Dear Virtuoso Developers and other users. > > > I have a question on inference. > > In the UniProt sparql endpoint there are 1,018,511,122 reification > quads. > > e.g. > > [] a rdf:Statement ; > rdf:subject ?subject ; > rdf:predicate ?predicate ; > rdf:object ?object . > > Now the data modeling is what is so assume its invariant. > Can we use virtuoso inferencing to infer the existence of the predicate > > [] a rdf:Statement > > given the matching statement . > > [] rdf:subject ?subject . > > i.e. infer the class relation ship from the rdf:subject predicate? > > If this is possible. How do we turn it on? > > Regards, > Jerven > > -- Jerven Tjalling Bolleman SIB | Swiss Institute of Bioinformatics > CMU - 1, rue Michel Servet - 1211 Geneva 4 t: +41 22 379 58 85 - f: > +41 22 379 58 58 [email protected] - http://www.sib.swiss
Hi Jerven,
This is a Custom Inference feature which is part of Virtuoso 8.0
Commercial Edition (currently undergoing final release QA).
Using SPIN notation for rule declaration , it would be something along
the lines of:
rdf:Statement
a owl:Class ;
spin:rule
[ a sp:Construct ;
sp:text """
CONSTRUCT { ?s a rdf:Statement . }
WHERE {?s rdf:subject ?o}
"""
] ;
--
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