<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#nil>
<http://www.popularmechanics.com/home/lawn-garden/how-to/a9209/the-robots-are-coming-to-mow-your-lawn-15746274/?src=rss>