| as | https://www.w3.org/ns/activitystreams# | 
| bif | bif: | 
| dawgt | http://www.w3.org/2001/sw/DataAccess/tests/test-dawg# | 
| dbpedia | http://dbpedia.org/resource/ | 
| dbpprop | http://dbpedia.org/property/ | 
| dc | http://purl.org/dc/elements/1.1/ | 
| dcterms | http://purl.org/dc/terms/ | 
| fn | http://www.w3.org/2005/xpath-functions/# | 
| foaf | http://xmlns.com/foaf/0.1/ | 
| formats | http://www.w3.org/ns/formats/ | 
| geo | http://www.w3.org/2003/01/geo/wgs84_pos# | 
| go | http://purl.org/obo/owl/GO# | 
| gr | http://purl.org/goodrelations/v1# | 
| ldp | http://www.w3.org/ns/ldp# | 
| math | http://www.w3.org/2000/10/swap/math# | 
| mesh | http://purl.org/commons/record/mesh/ | 
| mf | http://www.w3.org/2001/sw/DataAccess/tests/test-manifest# | 
| nci | http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl# | 
| oa | http://www.w3.org/ns/oa# | 
| obo | http://www.geneontology.org/formats/oboInOwl# | 
| ogc | http://www.opengis.net/ | 
| ogcgml | http://www.opengis.net/ont/gml# | 
| ogcgs | http://www.opengis.net/ont/geosparql# | 
| ogcgsf | http://www.opengis.net/def/function/geosparql/ | 
| ogcgsr | http://www.opengis.net/def/rule/geosparql/ | 
| ogcsf | http://www.opengis.net/ont/sf# | 
| owl | http://www.w3.org/2002/07/owl# | 
| product | http://www.buy.com/rss/module/productV2/ | 
| protseq | http://purl.org/science/protein/bysequence/ | 
| prov | http://www.w3.org/ns/prov# | 
| rdf | http://www.w3.org/1999/02/22-rdf-syntax-ns# | 
| rdfa | http://www.w3.org/ns/rdfa# | 
| rdfdf | http://www.openlinksw.com/virtrdf-data-formats# | 
| rdfs | http://www.w3.org/2000/01/rdf-schema# | 
| sc | http://purl.org/science/owl/sciencecommons/ | 
| scovo | http://purl.org/NET/scovo# | 
| sd | http://www.w3.org/ns/sparql-service-description# | 
| sioc | http://rdfs.org/sioc/ns# | 
| skos | http://www.w3.org/2004/02/skos/core# | 
| sql | sql: | 
| stat | http://www.w3.org/ns/posix/stat# | 
| vcard | http://www.w3.org/2001/vcard-rdf/3.0# | 
| vcard2006 | http://www.w3.org/2006/vcard/ns# | 
| virtcxml | http://www.openlinksw.com/schemas/virtcxml# | 
| virtrdf | http://www.openlinksw.com/schemas/virtrdf# | 
| void | http://rdfs.org/ns/void# | 
| xf | http://www.w3.org/2004/07/xpath-functions | 
| xml | http://www.w3.org/XML/1998/namespace | 
| xsd | http://www.w3.org/2001/XMLSchema# | 
| xsl10 | http://www.w3.org/XSL/Transform/1.0 | 
| xsl1999 | http://www.w3.org/1999/XSL/Transform | 
| xslwd | http://www.w3.org/TR/WD-xsl | 
| yago | http://dbpedia.org/class/yago/ |