<http://schema.org/about>
"The U.S. Police Canine Association is hosting the National Detector Dog Field Trials, which test the proficiency of K-9 dogs and their handlers in several categ"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/family/pets/videos/top-k-9-dogs-handlers-compete>