Arthur; I've always found top:split to be a good example of how this
works. Try the following on the kennedys model:
SELECT *
WHERE {
?person kennedys:name ?name .
?x tops:split (?name " ")
}
It's also a god example of what a magic property does. It creates
multiple bindings for the variable. I say this because it seems like
the example you gave earlier should be applied via SPIN function
because it would only generate one binding. Then the syntax would be:
LET ?name := apf:concat(?firstName, ?lastName))
(...or did you mean fn:concat()?)
-- Scott
On Jun 10, 12:47 am, Holger Knublauch <[email protected]> wrote:
> Yes, this is correct. Furthermore, a magic property can also have multiple
> variables on the left side, for each SELECT ?x ?y ?z variable.
>
> Syntactically, the (...) is a short notation for RDF lists, BTW.
>
> Holger
>
> On Jun 10, 2010, at 3:32 PM, Arthur Keen wrote:
>
> > In the SPIN documentation, there is a statement "Magic properties can also
> > take multiple arguments ..." What is the syntax for passing in the other
> > arguments.
> > The example ?name apf:concat (?firstName ?lastName), indicates the syntax
> > is: object propertyfunction (arg1 arg2), is that right?
>
> > Arthur
>
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