<https://www.decentralizedsummit.com/#/schema/person/96fb2729d9ed63f34e00db2ae192847f>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.decentralizedsummit.com/cara-menghubungi-pusat-panggilan-fermata-contohcv>