RDF XML Syntax

<?xml version="1.0" encoding="UTF-8"?>
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
         xmlns:foaf="http://xmlns.com/foaf/0.1/"
         xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
         xml:base="http://allios.c1.biz/">

	<rdf:Description rdf:about="https://allios.c1.biz/semantic/data/allios-e-ioannis.rdf">  
    <rdf:type rdf:resource="http://xmlns.com/foaf/0.1/Person"/>
    <foaf:name xml:lang="el">Ιωάννης Άλλιος</foaf:name>
    <foaf:name xml:lang="en">Ioannis Allios</foaf:name>
    <foaf:givenName xml:lang="el">Ιωάννης</foaf:givenName>
    <foaf:givenName xml:lang="en">Ioannis</foaf:givenName>
    <foaf:familyName xml:lang="el">Άλλιος</foaf:familyName>
    <foaf:familyName xml:lang="en">Allios</foaf:familyName>
    <foaf:nick xml:lang="el">Γιάννης</foaf:nick>
    <foaf:nick xml:lang="en">Yiannis</foaf:nick>
    <foaf:title xml:lang="el">Μηχανικός Πληροφορικής και Ηλεκτρονικών Συστημάτων</foaf:title>
    <foaf:title xml:lang="en">Computer and Electronics Systems Engineer</foaf:title>
    <foaf:mbox rdf:resource="mailto:ioannes.allios@gmail.com"/>
    <foaf:birthday rdf:datatype="http://www.w3.org/2001/XMLSchema#date">1972-06-28</foaf:birthday>
    <foaf:gender xml:lang="en">male</foaf:gender>
    <foaf:gender xml:lang="el">αρσενικό</foaf:gender>
    <foaf:homepage rdf:resource="https://allios.helioho.st/bio-of-author/"/>
    <foaf:img rdf:resource="https://allios.helioho.st/semantic/img/ioannis-e-allios.jpg"/>
    <foaf:page rdf:resource="http://allios.c1.biz/"/>
    <foaf:page rdf:resource="https://allios.helioho.st"/>
    <foaf:page rdf:resource="https://burn66.66ghz.com"/>
    <foaf:page rdf:resource="https://hellenic-burn66.66ghz.com"/>	
    <foaf:workplaceHomepage rdf:resource="https://eopyy.gov.gr"/>
    <foaf:schoolHomepage rdf:resource="https://www.iee.ihu.gr/"/>
    <foaf:based_near rdf:resource="#kilkis"/>
    <foaf:interest rdf:resource="https://dbpedia.org/page/Computer_science_and_engineering"/>
    <foaf:interest rdf:resource="https://dbpedia.org/page/Computer_programming"/>
    <foaf:interest rdf:resource="https://dbpedia.org/page/Semantic_Web"/>
    <foaf:interest rdf:resource="https://dbpedia.org/page/Paranormal"/>
    <foaf:interest rdf:resource="https://dbpedia.org/page/Conspiracy_theory"/>
    <foaf:interest rdf:resource="https://dbpedia.org/page/Extraterrestrial_life"/>
    <foaf:interest rdf:resource="https://dbpedia.org/page/Cryptozoology"/>
    <foaf:interest rdf:resource="https://dbpedia.org/page/Alternate_history"/>
    <foaf:account rdf:resource="#account1"/>
    <foaf:account rdf:resource="#account2"/>
    <foaf:account rdf:resource="#account3"/>
    <foaf:account rdf:resource="#account4"/>
    <foaf:knows rdf:resource="#father"/>
    <foaf:knows rdf:resource="#mother"/>
    <foaf:knows rdf:resource="#wife"/>
    <foaf:knows rdf:resource="#daughter1"/>
    <foaf:knows rdf:resource="#daughter2"/>
  </rdf:Description>

  <!-- Define related resources with rdf:ID to match references -->
  <rdf:Description rdf:about="#father">
    <foaf:name xml:lang="el">Ευάγγελος Ι. Άλλιος</foaf:name>
    <foaf:name xml:lang="en">Evaggelos I. Allios</foaf:name>
    <foaf:nick xml:lang="el">Βαγγέλης</foaf:nick>
    <foaf:nick xml:lang="en">Vaggelis</foaf:nick>
  </rdf:Description>

  <rdf:Description rdf:about="#mother">
    <foaf:name xml:lang="el">Ελέννη Μ. Λιάππη</foaf:name>
    <foaf:name xml:lang="en">Eleni M. Liappi</foaf:name>
  </rdf:Description>

  <rdf:Description rdf:about="#wife">
    <foaf:name xml:lang="el">Βασιλική Χ. Μπρόζου</foaf:name>
    <foaf:name xml:lang="en">Vasiliki C. Brozou</foaf:name>
    <foaf:nick xml:lang="el">Βάσω</foaf:nick>
    <foaf:nick xml:lang="en">Vasso</foaf:nick>
  </rdf:Description>

  <rdf:Description rdf:about="#daughter1">
    <foaf:name xml:lang="el">Δέσποινα Άλλιου</foaf:name>
    <foaf:name xml:lang="en">Despina Alliou</foaf:name>
    <foaf:nick xml:lang="el">Πέννυ</foaf:nick>
    <foaf:nick xml:lang="en">Penie</foaf:nick>
  </rdf:Description>

  <rdf:Description rdf:about="#daughter2">
    <foaf:name xml:lang="el">Ραφαηλία Άλλιου</foaf:name>
    <foaf:name xml:lang="en">Rafailia Alliou</foaf:name>
    <foaf:nick xml:lang="el">Ραφαέλλα</foaf:nick>
    <foaf:nick xml:lang="en">Rafaella</foaf:nick>
  </rdf:Description>

  <!-- Define accounts -->
  <rdf:Description rdf:about="#account1">
    <rdf:type rdf:resource="http://xmlns.com/foaf/0.1/OnlineAccount"/>
    <foaf:accountName>yianni.allios</foaf:accountName>
    <foaf:accountServiceHomepage rdf:resource="https://facebook.com/"/>
  </rdf:Description>

  <rdf:Description rdf:about="#account2">
    <rdf:type rdf:resource="http://xmlns.com/foaf/0.1/OnlineAccount"/>
    <foaf:accountName>@ioannesallios1603</foaf:accountName>
    <foaf:accountServiceHomepage rdf:resource="https://youtube.com/"/>
  </rdf:Description>

  <rdf:Description rdf:about="#account3">
    <rdf:type rdf:resource="http://xmlns.com/foaf/0.1/OnlineAccount"/>
    <foaf:accountName>ioannes-allios-23905210b/</foaf:accountName>
    <foaf:accountServiceHomepage rdf:resource="https://linkedin.com/in/"/>
  </rdf:Description>

  <rdf:Description rdf:about="#account4">
    <rdf:type rdf:resource="http://xmlns.com/foaf/0.1/OnlineAccount"/>
    <foaf:accountName>yianniallios</foaf:accountName>
    <foaf:accountServiceHomepage rdf:resource="https://instagram.com/"/>
  </rdf:Description>

  <!-- Define spatial resource -->
  <rdf:Description rdf:about="#kilkis">
    <rdf:type rdf:resource="http://xmlns.com/foaf/0.1/SpatialThing"/>
    <foaf:name xml:lang="el">Κιλκίς</foaf:name>
    <foaf:name xml:lang="en">Kilkis</foaf:name>
  </rdf:Description>

</rdf:RDF>