<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#nil>
<http://www.womansday.com/health-fitness/workout-routines/advice/g52/7-tummy-toning-exercises-78992/?link=tummytoning&dom=yah_life&src=syn&con=blog_wd&mag=wdy>