- From: Adrian Walker <adriandwalker@gmail.com>
- Date: Sat, 11 Nov 2006 15:26:36 -0500
- To: "Richard Cyganiak" <richard@cyganiak.de>
- Cc: semantic-web@w3.org, semantic_web@googlegroups.com
Received on Saturday, 11 November 2006 20:26:41 UTC
Hi Richard -- Actually, the question is a more general one about closed world negation, universal quantifiers, and sparql. So, how would you express in sparql Q1 and Q2 generalized by dropping the author affiliation "fu-berlin" part? Thanks, -- Adrian Internet Business Logic (R) Executable open vocabulary English Online at www.reengineeringllc.com Shared use is free Adrian Walker Reengineering Phone: USA 860 830 2085 On 11/11/06, Richard Cyganiak <richard@cyganiak.de> wrote: > > > On 11 Nov 2006, at 20:00, Richard Newman wrote: > >> 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. > > Unfortunately the original DBLP dataset does not contain author > affiliations. Therefore we can't answer this kind of query. > > Richard > > > > > > > -R > > > > > >
Received on Saturday, 11 November 2006 20:26:41 UTC