@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_23.html> md:item (
 [ a schema:EducationalOrganization;
   schema:address [ a schema:PostalAddress;
     schema:addressLocality "Palo Alto";
     schema:addressRegion "CA";
     schema:postalCode "94301";
     schema:streetAddress "50 Embarcadero Rd"];
   schema:alumni [ a schema:Person;
     schema:name "John Doe"],
     [ a schema:Person;
     schema:name "Sarah Glames"];
   schema:name "Palo Alto High School"]);
   rdfa:usesVocabulary schema: .