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@prefix dbr:	<http://dbpedia.org/resource/> .
dbr:John_Mylopoulos	dbo:wikiPageWikiLink	dbr:Knowledge_based_system .
dbr:Instituto_Superior_de_Engenharia_do_Porto	dbo:wikiPageWikiLink	dbr:Knowledge_based_system .
dbr:History_of_artificial_intelligence	dbo:wikiPageWikiLink	dbr:Knowledge_based_system .
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dbr:Deductive_language	dbo:wikiPageWikiLink	dbr:Knowledge_based_system .
dbr:Jan_Vanthienen	dbo:wikiPageWikiLink	dbr:Knowledge_based_system .