@prefix pwdr: . @prefix dbpedia: . dbpedia:List_of_web_browsers pwdr:describedby . @prefix ns2: . dbpedia:List_of_web_browsers pwdr:describedby ns2:Linux , ns2:Plan_9_from_Bell_Labs , , ns2:AWeb . @prefix dbpedia-owl: . dbpedia:List_of_web_browsers dbpedia-owl:wikiPageWikiLink dbpedia:Plan_9_from_Bell_Labs , dbpedia:AWeb , , dbpedia:Linux , .