Most RDF query languages are simple graph-matching languages
"find me the name of the person whose email address is libby.miller@bristol.ac.uk, and also find me the title and
identifier of anything that she has created"
select ?name, ?title, ?identifier
where
(dc::title ?paper ?title)
(dc::creator ?paper ?creator)
(dc::identifier ?paper ?uri)
(foaf::name ?creator ?name)
(foaf::mbox ?creator mailto:libby.miller@bristol.ac.uk)
using dc for http://purl.org/dc/elements/1.1/
foaf for http://xmlns.com/foaf/0.1/
results
