bNodes and properties (was: Re: evaluating SPARQL w.r.t an RDF query language survey)

Dan Connolly wrote:
...
> 
> hmm... why is [] no good? sparqler complains about...
> select ?R where
>  { ?R [] [].
>  }
> 
> I have only matched things that occur in the subject position.
....

bNodes are not currently allowed in the property position beause RDF doesn't 
allow them there.  Maybe in queries (as variables) they should be.

Turtle does not allow bNodes in the property slot.  Comments?

	Andy