<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://citymaps.com/m/explore-historic-places-in-riverside/VenueMap>
<https://citymaps.com/m/explore-historic-places-in-riverside/47710643-0c99-482a-a79f-848f5e57aa8b>