<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/54ead958245d8_-_bedbug-is-a-misnomer-things-you-didn-t-know-about-bedbugs-1.jpg>
<http://www.womansday.com/home/organizing-cleaning/advice/a1905/10-things-you-didnt-know-about-bedbugs-110933/>