<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/50/480x552/548a673a2b125_-_poison-ivy-xln.jpg>
<http://www.redbookmag.com/body/health-fitness/tips/g1254/summer-health-hazards/>