Implements MODULE_preprocess_HOOK().
function rdf_preprocess_taxonomy_term(&$variables) {
// Adds the RDF type of the term and the term name in a <meta> tag.
$term = $variables['term'];
$term_label_meta = array(
'#tag' => 'meta',
'#attributes' => array(
'about' => url('taxonomy/term/' . $term->tid),
'typeof' => $term->rdf_mapping['rdftype'],
'property' => $term->rdf_mapping['name']['predicates'],
'content' => $term->name,
),
);
drupal_add_html_head($term_label_meta, 'rdf_term_label');
}