_:na6ce2e6d81fd4bf3a26117204c4d2391xb10
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.offgridenergyindependence.com/articles/24881/new-smart-city-materials-and-formats?rsst2id=3&utm_source=dlvr.it&utm_medium=twitter>