<https://blog.kotsovolos.gr/ces-2019-to-smart-backpack-tis-lumzag-echei-mechri-kai-kamera/#organization>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/organization>
<https://blog.kotsovolos.gr/ces-2019-to-smart-backpack-tis-lumzag-echei-mechri-kai-kamera/>