Re: Sparql Question -- re D2R Server publishing the DBLP Bibliography

> However, I believe that sparql lacks this kind of negation.

Can you not use this idiom:

optional { ?x :p ?v } . filter (!bound(?v))

?

> So I'm wondering please whether it is possible to write in sparql  
> queries equivalent to
>
>      Q1  show me the name of a person who is missing from the list  
> of authors of a publication from fu-berlin
>
>      Q2  show me the names of people who are on the list of authors  
> of every publication from fu-berlin
>
> Thanks for your thoughts about this, in particular, actual sparql  
> queries.
>
>                                                                --  
> Adrian
>

I'll allow Chris to provide some real queries, as I'm unfamiliar with  
the details of the ontology.

-R