<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/480x576/54ffb1c70b389-mr-coffee-espresso-machine-ecmp50-0909-s3.jpg>
<http://www.goodhousekeeping.com/appliances/espresso-machine-reviews/g2033/electric-pump-espresso-machines/>