<http://schema.org/address>
"50 Hagiwara Tea Garden Dr,  San Francisco,  CA 94118 United States"^^<http://www.w3.org/2001/XMLSchema#string>
<http://ecologycenter.org/events/the-future-of-food-and-family-farmers-thinking-about-food-utopias-by-paul-v-stock-professor-university-of-kansas/>