<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbu.h-cdn.co/assets/cm/15/04/54bf3bc4bf8df_-_2-color-caponata-0409-xlg-76611016.jpg>
<http://www.housebeautiful.com/room-decorating/colors/g612/purple-paint-color-shades/>