<https://jp.cointelegraph.com/news/bitcoin-recovers-9000-dollars-for-the-first-time-in-2-months>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://jp.cointelegraph.com/news/bitcoin-recovers-9000-dollars-for-the-first-time-in-2-months>