@prefix md: <http://www.w3.org/ns/md#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfa: <http://www.w3.org/ns/rdfa#> .
@prefix schema: <http://schema.org/> .

<sdo_eg_md_19.html> md:item (
 [ a schema:ImageObject;
   schema:author "Jane Doe";
   schema:contentLocation "Puerto Vallarta, Mexico";
   schema:contentURL <mexico-beach.jpg>;
   schema:datePublished "2008-01-25";
   schema:description "I took this picture while on vacation last year.";
   schema:name "Beach in Mexico"]);
   rdfa:usesVocabulary schema: .