modules/rdf/vocab.zzm

=encoding utf8

=head1 NAME

rdf/vocab - Common RDF vocabulary helpers.

=head1 SYNOPSIS

  from rdf/vocab import rdf_type, rdfs_class, xsd;
  
  let type := rdf_type();
  let integer := xsd("integer");


=head1 DESCRIPTION

This module exports small helpers for constructing IRI terms in the RDF,
RDFS, OWL, and XSD namespaces, plus commonly used vocabulary terms.

=head1 EXPORTS

=head2 Functions

=over

=item C<< rdf(String local) >>

Returns an IRI in the RDF namespace.

=item C<< rdfs(String local) >>

Returns an IRI in the RDFS namespace.

=item C<< owl(String local) >>

Returns an IRI in the OWL namespace.

=item C<< xsd(String local) >>

Returns an IRI in the XML Schema namespace.

=item C<rdf_type>

Returns C<rdf:type>.

=item C<rdfs_class>

Returns C<rdfs:Class>.

=item C<rdfs_resource>

Returns C<rdfs:Resource>.

=item C<rdfs_subclass_of>

Returns C<rdfs:subClassOf>.

=item C<rdfs_subproperty_of>

Returns C<rdfs:subPropertyOf>.

=item C<rdfs_domain>

Returns C<rdfs:domain>.

=item C<rdfs_range>

Returns C<rdfs:range>.

=item C<owl_class>

Returns C<owl:Class>.

=item C<owl_thing>

Returns C<owl:Thing>.

=item C<owl_same_as>

Returns C<owl:sameAs>.

=back

=head1 COPYRIGHT AND LICENCE

B<< rdf/vocab >> is copyright Toby Inkster.

It is free software; you may redistribute it and/or modify it under
the terms of either the Artistic License 1.0 or the GNU General Public
License version 2.

=cut

from rdf/ns import
	OWL_NS,
	RDF_NS,
	RDFS_NS,
	XSD_NS;
from rdf/term import rdf_iri;

function rdf ( String local ) {
	return rdf_iri(RDF_NS _ local);
}

function rdfs ( String local ) {
	return rdf_iri(RDFS_NS _ local);
}

function owl ( String local ) {
	return rdf_iri(OWL_NS _ local);
}

function xsd ( String local ) {
	return rdf_iri(XSD_NS _ local);
}

function rdf_type () {
	return rdf("type");
}

function rdfs_class () {
	return rdfs("Class");
}

function rdfs_resource () {
	return rdfs("Resource");
}

function rdfs_subclass_of () {
	return rdfs("subClassOf");
}

function rdfs_subproperty_of () {
	return rdfs("subPropertyOf");
}

function rdfs_domain () {
	return rdfs("domain");
}

function rdfs_range () {
	return rdfs("range");
}

function owl_class () {
	return owl("Class");
}

function owl_thing () {
	return owl("Thing");
}

function owl_same_as () {
	return owl("sameAs");
}