<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbz.h-cdn.co/assets/cm/15/11/320x408/55021aacdd737_-_jewelry-9-ippolita-rings-courtesy-0110-de-12544444.jpg>
<http://www.harpersbazaar.com/fashion/trends/g989/jewelry-guide-0210/>