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.\" ========================================================================
.\"
.IX Title "RDFNS 1p"
.TH RDFNS 1p "2022-12-06" "perl v5.36.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
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.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 2
\& # look up namespaces in several formats
\& $ rdfns foaf.xmlns foaf.n3 dbpedia.sparql foaf.json
\&
\& # look up a prefixed URI
\& $ rdfns rdfs:seeAlso
\&
\& # look up multiple URIs at a given version
\& $ rdfns 20111102 foaf,owl.ttl
\&
\& # lookup preferred prefix
\& $ rdfns http://www.w3.org/2003/01/geo/wgs84_pos#
\&
\& # create short name of an URL
\& $ rdfns http://purl.org/dc/elements/1.1/title
\&
\& # map prefix to preferred prefix
\& $ rdfns wgs.prefix
\&
\& # show all options and some examples
\& $ rdfns \-\-help
\&
\& # show version
\& $ rdfns \-\-version
\&
\& # list available dates
\& $ rdfns \-\-dates
.Ve
.SH "FORMATS"
.IX Header "FORMATS"
.IP "ttl, n3, notation3" 4
.IX Item "ttl, n3, notation3"
RDF/Turtle or Notation3 syntax:
.Sp
.Vb 1
\& @prefix foaf: .
.Ve
.IP "sparql" 4
.IX Item "sparql"
\&\s-1SPARQL\s0 syntax:
.Sp
.Vb 1
\& PREFIX foaf:
.Ve
.IP "txt" 4
.IX Item "txt"
Tabulator-separated:
.Sp
.Vb 1
\& foaf http://xmlns.com/foaf/0.1/
.Ve
.IP "xmlns" 4
.IX Item "xmlns"
\&\s-1XML\s0 namespace declaration
.Sp
.Vb 1
\& xmlns:foaf="http://xmlns.com/foaf/0.1/"
.Ve
.IP "json" 4
.IX Item "json"
\&\s-1JSON\s0 key-values, for instance for JSON-LD. Multiple entries are comma-separated.
.Sp
.Vb 1
\& "foaf": "http://xmlns.com/foaf/0.1/"
.Ve
.IP "beacon" 4
.IX Item "beacon"
\&\s-1BEACON\s0 format syntax:
.Sp
.Vb 1
\& #PREFIX: http://xmlns.com/foaf/0.1/
.Ve
.IP "prefix" 4
.IX Item "prefix"
Maps a prefix to its preferred form, this is the shortest and first in
alphabetical order. For instance \f(CW\*(C`rdfns wgs84.prefix\*(C'\fR returns prefix \f(CW\*(C`geo\*(C'\fR.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
This script is internally implemented in App::rdfns, based on \s-1RDF::NS\s0.