Mercurial > repos > atsuko > sparql

view sparql/sparql/test/dawg/data-r2/algebra/join-combo-1.rq @ 0:7785ad38967f default tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Uploaded
author atsuko
date Thu, 25 Aug 2011 22:14:55 -0400
parents
children
line wrap: on
line source

PREFIX :    <http://example/>

SELECT ?a ?y ?d ?z
{ 
    ?a :p ?c OPTIONAL { ?a :r ?d }. 
    ?a ?p 1 { ?p a ?y } UNION { ?a ?z ?p } 
}