<https://blog.eventzilla.net/event-resources/5-ways-to-creatively-use-hashtags-on-your-next-event/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://blog.eventzilla.net/event-resources/5-ways-to-creatively-use-hashtags-on-your-next-event/>