<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/Organization>
<http://soso.gr/tag/%CE%B3%CF%85%CE%BD%CE%B1%CE%B9%CE%BA%CE%B5%CE%B9%CE%B5%CF%82-%CF%84%CF%83%CE%B1%CE%BD%CF%84%CE%B5%CF%82/>