<http://schema.org/keywords>
"travel-blogs"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.com/rick-steves/keeping-young-people-trav_b_1582507.html?ref=travel&ncid=edlinkusaolp00000008&ncid=edlinkusaolp00000008>