Is there a name for this one weird trick?

Imagine I have some facts about an instance such as

:instance07 :composedOf :Lead .

and then I say something like

:instance07 :singleValued :composedOf .

to distinguish the case of "a single valued property" from "a set of of
property values which just happens to have one member".  The difference
doesn't usually matter in RDF-world but if you have to round trip with
Lucene or DynamoDB you can attach supplementary data with the

"make a statement about an ?s ?p pair by writing ?s ?p1 ?p"

This permits writing

:John :hasNo :sibling .

This is parallel to how people typically write RDF so it does not get in
the way,  but it queries just fine with SPARQL, Jena Rules and such.

Is there a name for this trick?


-- 
Paul Houle

(607) 539 6254    paul.houle on Skype   ontology2@gmail.com

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