SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/property/successor> <http://dbpedia.org/resource/PlayStation_4> . }
What is the predecessor of PlayStation 4?
SELECT DISTINCT ?i WHERE { ?i property:successor resource:Play_Station_4 . }
PlayStation 3
The predecessor of PlayStation 4 is [PlayStation 3].
[PlayStation 3] is the predecessor of PlayStation 4.
The information appliance's successor is PlayStation 4 is [the product].