<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/life/travel-tips/tips/a2392/10-savvy-ways-to-save-on-travel-116915/?link=emb&dom=yah_life&src=syn&con=blog_wd&mag=wdy>