<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/480x576/54ffc559e73c9-delonghi-pump-espresso-machine-ec155-0909-s3.jpg>
<http://www.goodhousekeeping.com/appliances/espresso-machine-reviews/g2033/electric-pump-espresso-machines/>