<https://raptarchis.gov.gr/#organization>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://raptarchis.gov.gr/thema/viomichaniki-anaptyxiaki-nomothesia-alieia/metalleia-kai-orycheia/thema-d-institoyto-geologikon-kai-metalleytikon-ereynon-i-g-m-e/>