| a | http://www.w3.org/2005/Atom | 
| address | http://schemas.talis.com/2005/address/schema# | 
| admin | http://webns.net/mvcb/ | 
| as | http://www.w3.org/ns/activitystreams# | 
| atom | http://atomowl.org/ontologies/atomrdf# | 
| aws | http://soap.amazon.com/ | 
| b3s | http://b3s.openlinksw.com/ | 
| batch | http://schemas.google.com/gdata/batch | 
| bibo | http://purl.org/ontology/bibo/ | 
| bif | bif: | 
| bugzilla | http://www.openlinksw.com/schemas/bugzilla# | 
| c | http://www.w3.org/2002/12/cal/icaltzd# | 
| category | http://dbpedia.org/resource/Category: | 
| cb | http://www.crunchbase.com/ | 
| cc | http://web.resource.org/cc/ | 
| content | http://purl.org/rss/1.0/modules/content/ | 
| cv | http://purl.org/captsolo/resume-rdf/0.2/cv# | 
| cvbase | http://purl.org/captsolo/resume-rdf/0.2/base# | 
| dawgt | http://www.w3.org/2001/sw/DataAccess/tests/test-dawg# | 
| dbo | http://dbpedia.org/ontology/ | 
| dbpedia | http://dbpedia.org/resource/ | 
| dbpprop | http://dbpedia.org/property/ | 
| dc | http://purl.org/dc/elements/1.1/ | 
| dct | http://purl.org/dc/terms/ | 
| digg | http://digg.com/docs/diggrss/ | 
| ebay | urn:ebay:apis:eBLBaseComponents | 
| enc | http://purl.oclc.org/net/rss_2.0/enc# | 
| exif | http://www.w3.org/2003/12/exif/ns/ | 
| fb | http://api.facebook.com/1.0/ | 
| fbase | http://rdf.freebase.com/ns/ | 
| ff | http://api.friendfeed.com/2008/03 | 
| fn | http://www.w3.org/2005/xpath-functions/# | 
| foaf | http://xmlns.com/foaf/0.1/ | 
| formats | http://www.w3.org/ns/formats/ | 
| g | http://base.google.com/ns/1.0 | 
| gb | http://www.openlinksw.com/schemas/google-base# | 
| gd | http://schemas.google.com/g/2005 | 
| geo | http://www.w3.org/2003/01/geo/wgs84_pos# | 
| geonames | http://www.geonames.org/ontology# | 
| georss | http://www.georss.org/georss | 
| gml | http://www.opengis.net/gml | 
| go | http://purl.org/obo/owl/GO# | 
| gr | http://purl.org/goodrelations/v1# | 
| grs | http://www.georss.org/georss/ | 
| hlisting | http://www.openlinksw.com/schemas/hlisting/ | 
| hoovers | http://wwww.hoovers.com/ | 
| hrev | http:/www.purl.org/stuff/hrev# | 
| ical | http://www.w3.org/2002/12/cal/ical# | 
| ir | http://web-semantics.org/ns/image-regions | 
| itunes | http://www.itunes.com/DTDs/Podcast-1.0.dtd | 
| ldp | http://www.w3.org/ns/ldp# | 
| lgv | http://linkedgeodata.org/vocabulary# | 
| link | http://www.xbrl.org/2003/linkbase | 
| lod | http://lod.openlinksw.com/ | 
| math | http://www.w3.org/2000/10/swap/math# | 
| media | http://search.yahoo.com/mrss/ | 
| mesh | http://purl.org/commons/record/mesh/ | 
| meta | urn:oasis:names:tc:opendocument:xmlns:meta:1.0 | 
| mf | http://www.w3.org/2001/sw/DataAccess/tests/test-manifest# | 
| mmd | http://musicbrainz.org/ns/mmd-1.0# | 
| mo | http://purl.org/ontology/mo/ | 
| mql | http://www.freebase.com/ | 
| nci | http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl# | 
| nfo | http://www.semanticdesktop.org/ontologies/nfo/# | 
| ng | http://www.openlinksw.com/schemas/ning# | 
| nyt | http://data.nytimes.com/ | 
| oa | http://www.w3.org/ns/oa# | 
| oai | http://www.openarchives.org/OAI/2.0/ | 
| oai_dc | http://www.openarchives.org/OAI/2.0/oai_dc/ | 
| obo | http://www.geneontology.org/formats/oboInOwl# | 
| office | urn:oasis:names:tc:opendocument:xmlns:office:1.0 | 
| 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# | 
| oo | urn:oasis:names:tc:opendocument:xmlns:meta:1.0: | 
| openSearch | http://a9.com/-/spec/opensearchrss/1.0/ | 
| opl | http://www.openlinksw.com/schema/attribution# | 
| opl-gs | http://www.openlinksw.com/schemas/getsatisfaction/ | 
| opl-meetup | http://www.openlinksw.com/schemas/meetup/ | 
| opl-xbrl | http://www.openlinksw.com/schemas/xbrl/ | 
| oplweb | http://www.openlinksw.com/schemas/oplweb# | 
| ore | http://www.openarchives.org/ore/terms/ | 
| 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# | 
| r | http://backend.userland.com/rss2 | 
| radio | http://www.radiopop.co.uk/ | 
| 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# | 
| rev | http://purl.org/stuff/rev# | 
| review | http:/www.purl.org/stuff/rev# | 
| rss | http://purl.org/rss/1.0/ | 
| sc | http://purl.org/science/owl/sciencecommons/ | 
| schema | http://schema.org/ | 
| scovo | http://purl.org/NET/scovo# | 
| sd | http://www.w3.org/ns/sparql-service-description# | 
| sf | urn:sobject.enterprise.soap.sforce.com | 
| sioc | http://rdfs.org/sioc/ns# | 
| sioct | http://rdfs.org/sioc/types# | 
| skos | http://www.w3.org/2004/02/skos/core# | 
| slash | http://purl.org/rss/1.0/modules/slash/ | 
| sql | sql: | 
| stat | http://www.w3.org/ns/posix/stat# | 
| stock | http://xbrlontology.com/ontology/finance/stock_market# | 
| twfy | http://www.openlinksw.com/schemas/twfy# | 
| umbel | http://umbel.org/umbel# | 
| umbel-ac | http://umbel.org/umbel/ac/ | 
| umbel-sc | http://umbel.org/umbel/sc/ | 
| uniprot | http://purl.uniprot.org/ | 
| usc | http://www.rdfabout.com/rdf/schema/uscensus/details/100pct/ | 
| v | http://www.openlinksw.com/xsltext/ | 
| vcard | http://www.w3.org/2001/vcard-rdf/3.0# | 
| vcard2006 | http://www.w3.org/2006/vcard/ns# | 
| vi | http://www.openlinksw.com/virtuoso/xslt/ | 
| virt | http://www.openlinksw.com/virtuoso/xslt | 
| virtcxml | http://www.openlinksw.com/schemas/virtcxml# | 
| virtrdf | http://www.openlinksw.com/schemas/virtrdf# | 
| void | http://rdfs.org/ns/void# | 
| wb | http://www.worldbank.org/ | 
| wf | http://www.w3.org/2005/01/wf/flow# | 
| wfw | http://wellformedweb.org/CommentAPI/ | 
| xf | http://www.w3.org/2004/07/xpath-functions | 
| xfn | http://gmpg.org/xfn/11# | 
| xhtml | http://www.w3.org/1999/xhtml | 
| xhv | http://www.w3.org/1999/xhtml/vocab# | 
| xi | http://www.xbrl.org/2003/instance | 
| xml | http://www.w3.org/XML/1998/namespace | 
| xn | http://www.ning.com/atom/1.0 | 
| 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 | 
| y | urn:yahoo:maps | 
| yago | http://dbpedia.org/class/yago/ | 
| yt | http://gdata.youtube.com/schemas/2007 | 
| zem | http://s.zemanta.com/ns# |