<http://schema.org/telephone>
"+1-888-283-5051"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.audible.com/pd/Self-Development/Labrador-Retriever-Dog-Training-Behavior-Book-Audiobook/B00ECZ8Y2K/ref=pd_rsp_tl_rd_2>