SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/publisher> <http://dbpedia.org/resource/Perkins_School_for_the_Blind> . ?x <http://dbpedia.org/ontology/author> ?uri . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/WrittenWork>}
Who has authored books published by the Perkins school for the Blind?
SELECT DISTINCT ?z WHERE { ?v property:author ?z . ?v property:publisher resource:Perkins_School_for_the_Blind . ?v rdf:type ontology:Written_Work }
Helen Keller
The author of the work published by Perkins School for the Blind is [Helen Keller].
[Helen Keller] authored books published by the Perkins school for the Blind.
The author of books whose publisher is Perkins School for the Blind is [Helen Keller].
[Helen Keller] is the author of the books, whose publisher is the Pynes School for Blind.