SYNOPSIS

# 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

FORMATS

ttl, n3, notation3

RDF/Turtle or Notation3 syntax:

@prefix foaf: <http://xmlns.com/foaf/0.1/> .

sparql

SPARQL syntax:

PREFIX foaf: <http://xmlns.com/foaf/0.1/>

txt

Tabulator-separated:

foaf http://xmlns.com/foaf/0.1/

xmlns

XML namespace declaration

xmlns:foaf="http://xmlns.com/foaf/0.1/"

json

JSON key-values, for instance for JSON-LD. Multiple entries are comma-separated.

"foaf": "http://xmlns.com/foaf/0.1/"

beacon

BEACON format syntax:

#PREFIX: http://xmlns.com/foaf/0.1/

prefix

Maps a prefix to its preferred form, this is the shortest and first in alphabetical order. For instance rdfns wgs84.prefix returns prefix geo.

SEE ALSO

This script is internally implemented in App::rdfns, based on RDF::NS.