http://cs.dbpedia.org/resource/Sketchpad

Property	Value
dbpedia-owl:wikiPageWikiLinkText	Sketchpad
is prop-cs:ovlivněno of	dbpedia-cs:Smalltalk
is dbpedia-owl:predecessor of	dbpedia-cs:Smalltalk
is dbpedia-owl:wikiPageWikiLink of	dbpedia-cs:Počítačová_grafika dbpedia-cs:Ivan_Sutherland dbpedia-cs:Smalltalk

About: http://cs.dbpedia.org/resource/Sketchpad