Virtuoso SPARQL Query Editor | Namespace Prefixes
Prefix
URI
Comps
http://www.zillow.com/static/xsd/Comps.xsd
Demographics
http://www.zillow.com/static/xsd/Demographics.xsd
OVL
http://www.openlinksw.com/schemas/OVL#
SearchResults
http://www.zillow.com/static/xsd/SearchResults.xsd
UpdatedPropertyDetails
http://www.zillow.com/static/xsd/UpdatedPropertyDetails.xsd
a
http://www.w3.org/2005/Atom
aapi
http://rdf.alchemyapi.com/rdf/v1/s/aapi-schema#
accom
http://purl.org/acco/ns#
activity
http://activitystrea.ms/spec/1.0/
address
http://schemas.talis.com/2005/address/schema#
admin
http://webns.net/mvcb/
amz
http://webservices.amazon.com/AWSECommerceService/2011-08-01
app
http://purl.org/net/app#
as
http://www.w3.org/ns/activitystreams#
atom
http://atomowl.org/ontologies/atomrdf#
audio
http://purl.org/media/audio#
awol
http://bblfish.net/work/atom-owl/2006-06-06/#
aws
http://soap.amazon.com/
b3s
http://b3s.openlinksw.com/
batch
http://schemas.google.com/gdata/batch
bestbuy
http://remix.bestbuy.com/
bibo
http://purl.org/ontology/bibo/
bif
bif:
bio
http://purl.org/vocab/bio/0.1/
book
http://purl.org/NET/book/vocab#
bookmark
http://www.w3.org/2002/01/bookmark#
bugzilla
http://www.openlinksw.com/schemas/bugzilla#
buzz
http://schemas.google.com/buzz/2010
c
http://www.w3.org/2002/12/cal/icaltzd#
calais
http://s.opencalais.com/1/pred/
cb
http://www.crunchbase.com/
cc
http://web.resource.org/cc/
cert
http://www.w3.org/ns/auth/cert#
cl
http://www.ebusiness-unibw.org/ontologies/consumerelectronics/v1#
cnet
http://api.cnet.com/restApi/v1.0/ns
contact
http://www.w3.org/2000/10/swap/pim/contact#
content
http://purl.org/rss/1.0/modules/content/
cp
http://schemas.openxmlformats.org/package/2006/metadata/core-properties
cpe-lang
http://cpe.mitre.org/language/2.0
crosspost
http://purl.org/syndication/cross-posting
ctag
http://commontag.org/ns#
cv
http://purl.org/captsolo/resume-rdf/0.2/cv#
cvbase
http://purl.org/captsolo/resume-rdf/0.2/base#
cve
http://www.openlinksw.com/schemas/cve#
cvss
http://scap.nist.gov/schema/cvss-v2/0.2
d
http://schemas.microsoft.com/ado/2007/08/dataservices
dawgt
http://www.w3.org/2001/sw/DataAccess/tests/test-dawg#
dbc
http://dbpedia.org/resource/Category:
dbo
http://dbpedia.org/ontology/
dbp
http://dbpedia.org/property/
dbpedia-af
http://af.dbpedia.org/resource/
dbpedia-als
http://als.dbpedia.org/resource/
dbpedia-an
http://an.dbpedia.org/resource/
dbpedia-ar
http://ar.dbpedia.org/resource/
dbpedia-az
http://az.dbpedia.org/resource/
dbpedia-bar
http://bar.dbpedia.org/resource/
dbpedia-be
http://be.dbpedia.org/resource/
dbpedia-be-x-old
http://be-x-old.dbpedia.org/resource/
dbpedia-bg
http://bg.dbpedia.org/resource/
dbpedia-br
http://br.dbpedia.org/resource/
dbpedia-ca
http://ca.dbpedia.org/resource/
dbpedia-commons
http://commons.dbpedia.org/resource/
dbpedia-cs
http://cs.dbpedia.org/resource/
dbpedia-cy
http://cy.dbpedia.org/resource/
dbpedia-da
http://da.dbpedia.org/resource/
dbpedia-de
http://de.dbpedia.org/resource/
dbpedia-dsb
http://dsb.dbpedia.org/resource/
dbpedia-el
http://el.dbpedia.org/resource/
dbpedia-eo
http://eo.dbpedia.org/resource/
dbpedia-es
http://es.dbpedia.org/resource/
dbpedia-et
http://et.dbpedia.org/resource/
dbpedia-eu
http://eu.dbpedia.org/resource/
dbpedia-fa
http://fa.dbpedia.org/resource/
dbpedia-fi
http://fi.dbpedia.org/resource/
dbpedia-fr
http://fr.dbpedia.org/resource/
dbpedia-frr
http://frr.dbpedia.org/resource/
dbpedia-fy
http://fy.dbpedia.org/resource/
dbpedia-ga
http://ga.dbpedia.org/resource/
dbpedia-gd
http://gd.dbpedia.org/resource/
dbpedia-gl
http://gl.dbpedia.org/resource/
dbpedia-he
http://he.dbpedia.org/resource/
dbpedia-hr
http://hr.dbpedia.org/resource/
dbpedia-hsb
http://hsb.dbpedia.org/resource/
dbpedia-hu
http://hu.dbpedia.org/resource/
dbpedia-id
http://id.dbpedia.org/resource/
dbpedia-ie
http://ie.dbpedia.org/resource/
dbpedia-io
http://io.dbpedia.org/resource/
dbpedia-is
http://is.dbpedia.org/resource/
dbpedia-it
http://it.dbpedia.org/resource/
dbpedia-ja
http://ja.dbpedia.org/resource/
dbpedia-ka
http://ka.dbpedia.org/resource/
dbpedia-kk
http://kk.dbpedia.org/resource/
dbpedia-ko
http://ko.dbpedia.org/resource/
dbpedia-ku
http://ku.dbpedia.org/resource/
dbpedia-la
http://la.dbpedia.org/resource/
dbpedia-lb
http://lb.dbpedia.org/resource/
dbpedia-lmo
http://lmo.dbpedia.org/resource/
dbpedia-lt
http://lt.dbpedia.org/resource/as
dbpedia-lv
http://lv.dbpedia.org/resource/a
dbpedia-mk
http://mk.dbpedia.org/resource/
dbpedia-mr
http://mr.dbpedia.org/resource/
dbpedia-ms
http://ms.dbpedia.org/resource/
dbpedia-nah
http://nah.dbpedia.org/resource/
dbpedia-nds
http://nds.dbpedia.org/resource/
dbpedia-nl
http://nl.dbpedia.org/resource/
dbpedia-nn
http://nn.dbpedia.org/resource/
dbpedia-no
http://no.dbpedia.org/resource/
dbpedia-nov
http://nov.dbpedia.org/resource/
dbpedia-oc
http://oc.dbpedia.org/resource/
dbpedia-os
http://os.dbpedia.org/resource/
dbpedia-pam
http://pam.dbpedia.org/resource/
dbpedia-pl
http://pl.dbpedia.org/resource/
dbpedia-pms
http://pms.dbpedia.org/resource/
dbpedia-pnb
http://pnb.dbpedia.org/resource/
dbpedia-pt
http://pt.dbpedia.org/resource/
dbpedia-ro
http://ro.dbpedia.org/resource/
dbpedia-ru
http://ru.dbpedia.org/resource/
dbpedia-sh
http://sh.dbpedia.org/resource/
dbpedia-simple
http://simple.dbpedia.org/resource/
dbpedia-sk
http://sk.dbpedia.org/resource/
dbpedia-sl
http://sl.dbpedia.org/resource/
dbpedia-sq
http://sq.dbpedia.org/resource/
dbpedia-sr
http://sr.dbpedia.org/resource/
dbpedia-sv
http://sv.dbpedia.org/resource/
dbpedia-sw
http://sw.dbpedia.org/resource/
dbpedia-th
http://th.dbpedia.org/resource/
dbpedia-tr
http://tr.dbpedia.org/resource/
dbpedia-ug
http://ug.dbpedia.org/resource/
dbpedia-uk
http://uk.dbpedia.org/resource/
dbpedia-vi
http://vi.dbpedia.org/resource/
dbpedia-vo
http://vo.dbpedia.org/resource/
dbpedia-war
http://war.dbpedia.org/resource/
dbpedia-wikicompany
http://dbpedia.openlinksw.com/wikicompany/
dbpedia-wikidata
http://wikidata.dbpedia.org/resource/
dbpedia-yo
http://yo.dbpedia.org/resource/
dbpedia-zh
http://zh.dbpedia.org/resource/
dbpedia-zh-min-nan
http://zh-min-nan.dbpedia.org/resource/
dbps
http://www.openlinksw.com/schemas/dbpedia-spotlight#
dbr
http://dbpedia.org/resource/
dbt
http://dbpedia.org/resource/Template:
dc
http://purl.org/dc/elements/1.1/
dcat
http://www.w3.org/ns/dcat#
dcmitype
http://purl.org/dc/dcmitype/
dct
http://purl.org/dc/terms/
digg
http://digg.com/docs/diggrss/
discourse
http://www.openlinksw.com/schemas/discourse#
doap
http://usefulinc.com/ns/doap#
dul
http://www.ontologydesignpatterns.org/ont/dul/DUL.owl
dv
http://rdf.data-vocabulary.org/
dwc
http://rs.tdwg.org/dwc/terms/
e
tag:extractiv.com,2010:rdf#
ebay
urn:ebay:apis:eBLBaseComponents
enc
http://purl.oclc.org/net/rss_2.0/enc#
ep
http://schemas.openxmlformats.org/officeDocument/2006/extended-properties
etsy
http://www.etsy.com/
event
http://purl.org/NET/c4dm/event.owl#
evri
http://www.openlinksw.com/schemas/evri#
exif
http://www.w3.org/2003/12/exif/ns/
fam
http://vocab.fusepool.info/fam#
fb
http://api.facebook.com/1.0/
fct
http://openlinksw.com/services/facets/1.0/
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/
freebase
http://rdf.freebase.com/ns/
g
http://base.google.com/ns/1.0
gb
http://www.openlinksw.com/schemas/google-base#
gbs
http://schemas.google.com/books/2008
gd
http://schemas.google.com/g/2005
geo
http://www.w3.org/2003/01/geo/wgs84_pos#
geodata
http://sws.geonames.org/
georss
http://www.georss.org/georss/
geospecies
http://rdf.geospecies.org/ont/geospecies#
getglue
http://getglue.com#
gh
http://www.openlinksw.com/schemas/github#
gm
http://base.google.com/ns-metadata/1.0
gml
http://www.opengis.net/gml
gn
http://www.geonames.org/ontology#
go
http://purl.org/obo/owl/GO#
gphoto
http://schemas.google.com/photos/2007
gr
http://purl.org/goodrelations/v1#
gs
http://schemas.google.com/spreadsheets/2006
guardian
http://www.openlinksw.com/schemas/guardian#
hlisting
http://www.openlinksw.com/schemas/hlisting/
hnews
http://ontologi.es/hnews#
hoovers
http://wwww.hoovers.com/
hrev
http://purl.org/stuff/hrev#
http-voc
http://www.w3.org/2006/http#
ical
http://www.w3.org/2002/12/cal/ical#
ir
http://web-semantics.org/ns/image-regions
issues
http://schemas.google.com/projecthosting/issues/2009
itunes
http://www.itunes.com/DTDs/Podcast-1.0.dtd
kml
http://www.opengis.net/kml/2.2/
ldp
http://www.w3.org/ns/ldp#
lfm
http://last.fm/
lgdt
http://linkedgeodata.org/triplify/
lgv
http://linkedgeodata.org/vocabulary#
like
http://ontologi.es/like#
link
http://www.xbrl.org/2003/linkbase
lod
http://lod.openlinksw.com/
lu
http://lookupws.ontotext.com
m
http://schemas.microsoft.com/ado/2007/08/dataservices/metadata
math
http://www.w3.org/2000/10/swap/math#
md
http://www.w3.org/1999/xhtml/microdata#
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/
moat
http://moat-project.org/ns#
mql
http://www.freebase.com/
nci
http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#
ndfd_weather
http://www.openlinksw.com/schema/ndfd#
nfo
http://www.semanticdesktop.org/ontologies/nfo/#
ng
http://www.openlinksw.com/schemas/ning#
nif
http://persistence.uni-leipzig.org/nlp2rdf/ontologies/nif-core#
nyt
http://data.nytimes.com/
o
urn:schemas-microsoft-com:office:office
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
og
http://opengraphprotocol.org/schema/
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/
opencyc
http://sw.opencyc.org/2008/06/10/concept/
openstreetmap
http://openstreetmap.org/elements/
openvocab
http://open.vocab.org/terms/
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/
oplamz
http://www.openlinksw.com/schemas/amazon#
oplangel
http://www.openlinksw.com/schemas/angel#
oplbase
http://www.openlinksw.com/schemas/oplbase#
oplbb
http://www.openlinksw.com/schemas/bestbuy#
oplbsbm
http://www.openlinksw.com/schemas/bsbm#
oplcars
http://www.openlinksw.com/schemas/cars#
oplcb
http://www.openlinksw.com/schemas/crunchbase#
oplcert
http://www.openlinksw.com/schemas/cert#
oplcn
http://www.openlinksw.com/schemas/cnet#
oplcorporates
http://www.openlinksw.com/schemas/corporates#
oplcv
http://www.openlinksw.com/schemas/cv#
opldeezer
http://www.openlinksw.com/schemas/deezer#
oplebay
http://www.openlinksw.com/schemas/ebay#
oplevri
http://www.openlinksw.com/schemas/oplevri#
oplfactual
http://www.openlinksw.com/schemas/factual#
oplflattr
http://www.openlinksw.com/schemas/flattr#
oplfq
http://www.openlinksw.com/schemas/foursquare#
oplfr
http://www.openlinksw.com/schemas/federal_register#
oplgovt
http://www.openlinksw.com/schemas/govtrack#
oplgp
http://www.openlinksw.com/schemas/glasspockets#
oplgw
http://www.openlinksw.com/schemas/gowalla#
oplhp
http://www.openlinksw.com/schemas/hyperpublic#
oplie
http://www.openlinksw.com/schemas/influence#
opljg
http://www.openlinksw.com/schemas/jigsaw#
oplklout
http://www.openlinksw.com/schemas/klout#
oplli
http://www.openlinksw.com/schemas/linkedin#
opllinkedjazz
http://www.openlinksw.com/schemas/linkedjazz#
oplmarvel
http://www.openlinksw.com/schemas/marvel#
oplmetamind
http://www.openlinksw.com/schemas/metamind#
oplmisc
http://www.openlinksw.com/schemas/oplmisc#
oplmny
http://www.openlinksw.com/schemas/money#
oplnerd
http://www.openlinksw.com/schemas/nerd#
oplnutritionix
http://www.openlinksw.com/schemas/nutritionix#
oplnyt
http://www.openlinksw.com/schemas/nyt#
oplog
http://www.openlinksw.com/schemas/opengraph#
oplomim
http://www.openlinksw.com/schemas/omim#
oplosm
http://www.openlinksw.com/schemas/openstreetmap#
oplpingar
http://www.openlinksw.com/schemas/pingar#
oplpolice
http://www.openlinksw.com/schemas/police#
oplredlink
http://www.openlinksw.com/schemas/redlink#
oplsc
http://www.openlinksw.com/schemas/soundcloud#
oplsecxbrl
http://www.openlinksw.com/schemas/secxbrl#
oplseevl
http://www.openlinksw.com/schemas/seevl#
oplsg
http://www.openlinksw.com/schemas/simplegeo#
oplshodan
http://www.openlinksw.com/schemas/shodan#
oplslideshare
http://www.openlinksw.com/schemas/slideshare#
oplso
http://www.openlinksw.com/schemas/stackoverflow#
oplsourceforge
http://www.openlinksw.com/schemas/oplsourceforge#
oplsparqles
http://www.openlinksw.com/schemas/sparqles#
oplstocks
http://www.openlinksw.com/schemas/stocks#
opltable
http://www.openlinksw.com/schemas/opltable#
opltesco
http://www.openlinksw.com/schemas/tesco#
opltransport
http://www.openlinksw.com/schemas/transport#
opltw
http://www.openlinksw.com/schemas/twitter#
opluber
http://www.openlinksw.com/ontology/uber#
oplustream
http://www.openlinksw.com/schemas/ustream#
oplweb
http://www.openlinksw.com/schemas/oplweb#
oplwebsrv
http://www.openlinksw.com/ontology/webservices#
oplwsdl
http://www.openlinksw.com/schemas/wsdl#
oplwthr
http://www.openlinksw.com/schemas/weatherreport#
oplwtp
http://www.openlinksw.com/schemas/wtp#
oplxg
http://www.openlinksw.com/schemas/xing#
oplyls
http://www.openlinksw.com/schemas/yahoo_local_search#
oplzllw
http://www.openlinksw.com/schemas/zillow#
ore
http://www.openarchives.org/ore/terms/
owl
http://www.w3.org/2002/07/owl#
p
http://schemas.openxmlformats.org/presentationml/2006/main
pd
http://api.polldaddy.com/pdapi.xsd
pdo
http://ontologies.smile.deri.ie/pdo#
ping
http://prodapi.pingar.com/
pingns
http://prodapi.pingar.com
plancast
http://www.openlinksw.com/schema/plancast#
po
http://purl.org/ontology/po/
poco
http://portablecontacts.net/ns/1.0
primal
http://api.primal.com/primal#
product
http://www.buy.com/rss/module/productV2/
protseq
http://purl.org/science/protein/bysequence/
prov
http://www.w3.org/ns/prov#
proxy
http://localhost:8890/about/id/
prv
http://purl.org/net/provenance/ns#
prvTypes
http://purl.org/net/provenance/types#
pto
http://www.productontology.org/id/
pw
http://www.programmableweb.com/api/opensearch/1.0/
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#
rdfg
http://www.w3.org/2004/03/trix/rdfg-1/
rdfs
http://www.w3.org/2000/01/rdf-schema#
realdf
http://gr8c.org/realdf/ns#
redwood-tags
http://www.holygoat.co.uk/owl/redwood/0.1/tags/
rev
http://purl.org/stuff/rev#
review
http:/purl.org/stuff/rev#
rnews
http://iptc.org/std/rnews/20110202/rnews.owl#
rr
http://www.w3.org/ns/r2rml#
rsa
http://www.w3.org/ns/auth/rsa#
rss
http://purl.org/rss/1.0/
s
http://www.google.com/shopping/api/schemas/2010
sc
http://purl.org/science/owl/sciencecommons/
schema
http://schema.org/
schema_intangible
http://schema.org/Intangible/
schemavideo
http://schema.org/VideoObject#
scot
http://scot-project.org/scot/ns#
scovo
http://purl.org/NET/scovo#
sd
http://www.w3.org/ns/sparql-service-description#
sf
urn:sobject.enterprise.soap.sforce.com
sg
http://www.seatgeek.com#
sioc
http://rdfs.org/sioc/ns#
sioct
http://rdfs.org/sioc/types#
sitemap
http://www.sitemaps.org/schemas/sitemap/0.9
skos
http://www.w3.org/2004/02/skos/core#
slash
http://purl.org/rss/1.0/modules/slash/
soap
http://schemas.xmlsoap.org/wsdl/soap/
spo
http://www.openlinksw.com/schemas/sponger/
sql
sql:
ss
urn:schemas-microsoft-com:office:spreadsheet
stock
http://xbrlontology.com/ontology/finance/stock_market#
taxconcept
http://www.taxonconcept.org/ont/se_v01/seo.owl#
tesco
http://www.tesco.com/
thr
http://purl.org/syndication/thread/1.0
time
http://www.w3.org/2006/time#
tio
http://purl.org/tio/ns#
tk
http://www.trueknowledge.com/ns/kengine
tl
http://purl.org/NET/c4dm/timeline.owl#
twfy
http://www.openlinksw.com/schemas/twfy#
twitter
http://www.openlinksw.com/schemas/twitter/
uc
http://api.uclassify.com/1/ResponseSchema#
umbel
http://umbel.org/umbel#
umbel-ac
http://umbel.org/umbel/ac/
umbel-rc
http://umbel.org/umbel/rc/
umbel-sc
http://umbel.org/umbel/sc/
uniprot
http://purl.uniprot.org/
units
http://dbpedia.org/units/
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/
video
http://purl.org/media/video#
vimeo
http://vimeo.com/
virt
http://www.openlinksw.com/virtuoso/xslt
virtcxml
http://www.openlinksw.com/schemas/virtcxml#
virtrdf
http://www.openlinksw.com/schemas/virtrdf#
virtrdfmec
http://www.openlinksw.com/schemas/virtrdf-meta-entity-class#
void
http://rdfs.org/ns/void#
vso
http://purl.org/vso/ns#
vt
http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes
vuln
http://scap.nist.gov/schema/vulnerability/0.4
vuln-20
http://scap.nist.gov/schema/feed/vulnerability/2.0
w
http://schemas.microsoft.com/office/word/2003/wordml
wa
http://www.openlinksw.com/schemas/wolframalpha#
wb
http://www.worldbank.org/
wdrs
http://www.w3.org/2007/05/powder-s#
web
http://schemas.microsoft.com/LiveSearch/2008/04/XML/web
wf
http://www.w3.org/2005/01/wf/flow#
wfw
http://wellformedweb.org/CommentAPI/
wiki-commons
http://commons.wikimedia.org/wiki/
wikidata
http://www.wikidata.org/entity/
wikipedia-en
http://en.wikipedia.org/wiki/
wsaw
http://www.w3.org/2006/05/addressing/wsdl
wsdl
http://schemas.xmlsoap.org/wsdl/
xf
http://www.w3.org/2004/07/xpath-functions
xfn
http://gmpg.org/xfn/11#
xfnv
http://vocab.sindice.com/xfn#
xhtml
http://www.w3.org/1999/xhtml
xhv
http://www.w3.org/1999/xhtml/vocab#
xi
http://www.xbrl.org/2003/instance
xlink
http://www.w3.org/1999/xlink
xml
http://www.w3.org/XML/1998/namespace
xn
http://www.ning.com/atom/1.0
xsd
http://www.w3.org/2001/XMLSchema#
xsi
http://www.w3.org/2001/XMLSchema-instance
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/
yago-res
http://yago-knowledge.org/resource/
yahoo_weather
http://www.openlinksw.com/schema/yweather#
yca
urn:yahoo:cap
yql
http://www.openlinksw.com/schemas/yql#
yt
http://gdata.youtube.com/schemas/2007
yweather
http://xml.weather.yahoo.com/ns/rss/1.0
zem
http://s.zemanta.com/ns#
zillow
http://www.zillow.com/
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