gistfile1.js

/* JeniT's RDFa jQuery sample code */

rdf = $('#content p:first').rdf();
rdf
  .where('?book dc:creator ?author')
  .where('?author foaf:surname ?surname')
  .filter('surname', /^A/)
  .where('?book dc:titiel ?title')
  .optional('?book dc:identifier ?isbn')
  .each(function() {
    addItem(this.author, this.book,
	    this.title, this.isbn);
});