@prefix foaf:	<http://xmlns.com/foaf/0.1/> .
@prefix wikipedia-en:	<http://en.wikipedia.org/wiki/> .
@prefix dbr:	<http://dbpedia.org/resource/> .
wikipedia-en:Perfect_ruler	foaf:primaryTopic	dbr:Perfect_ruler .
@prefix owl:	<http://www.w3.org/2002/07/owl#> .
dbr:Perfect_ruler	owl:sameAs	<http://rdf.freebase.com/ns/m.07k81j> ,
		dbr:Perfect_ruler .
@prefix wikidata:	<http://www.wikidata.org/entity/> .
dbr:Perfect_ruler	owl:sameAs	wikidata:Q7168097 ,
		<https://global.dbpedia.org/id/4tJ8J> .
@prefix rdfs:	<http://www.w3.org/2000/01/rdf-schema#> .
dbr:Perfect_ruler	rdfs:label	"Perfect ruler"@en .
@prefix dct:	<http://purl.org/dc/terms/> .
@prefix dbc:	<http://dbpedia.org/resource/Category:> .
dbr:Perfect_ruler	dct:subject	dbc:Combinatorics .
@prefix prov:	<http://www.w3.org/ns/prov#> .
dbr:Perfect_ruler	prov:wasDerivedFrom	<http://en.wikipedia.org/wiki/Perfect_ruler?oldid=1169848496&ns=0> .
@prefix dbo:	<http://dbpedia.org/ontology/> .
dbr:Perfect_ruler	dbo:wikiPageWikiLink	dbr:All-interval_tetrachord ,
		dbr:Golomb_ruler ,
		dbr:Integer ,
		dbc:Combinatorics ,
		dbr:Ruler ,
		dbr:Positive_integer ,
		<http://dbpedia.org/resource/Optimization_(mathematics)> ,
		<http://dbpedia.org/resource/Difference_(mathematics)> ,
		dbr:Sparse_ruler .
@prefix dbp:	<http://dbpedia.org/property/> .
@prefix dbt:	<http://dbpedia.org/resource/Template:> .
dbr:Perfect_ruler	dbp:wikiPageUsesTemplate	dbt:Combin-stub ,
		dbt:PlanetMath_attribution ;
	dbp:title	"perfect ruler"@en ;
	dbp:id	31620 ;
	foaf:isPrimaryTopicOf	wikipedia-en:Perfect_ruler .
dbr:All-interval_tetrachord	dbo:wikiPageWikiLink	dbr:Perfect_ruler .
dbr:Sparse_ruler	dbo:wikiPageWikiLink	dbr:Perfect_ruler .
dbr:Golomb_ruler	dbo:wikiPageWikiLink	dbr:Perfect_ruler .