<https://www.a7la-home.com/#/schema/person/0177b04025a4c7c88ed28f39dd5c14e9>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/Person>
<https://ko.a7la-home.com/google-calendar-how-to-add-optional-guest>