Analyse 6-10-2024
RDF URIs
| Source | Supported MIME-types | Property | Count |
|---|---|---|---|
| Gemeentegeschiedenis | text/html, |
sdo:birthPlace | 170919 |
| sdo:deathPlace | 1925 | ||
| rdfs:seeAlso | 12 | ||
| Basisadministratie Adressen en Gebouwen (BAG) | text/html, application/n-triples, text/turtle, application/ld+json, application/rdf+xml | rdfs:seeAlso | 28393 |
| Kadaster Knowledge Graph (KKG) | text/html, application/n-triples, text/turtle, application/ld+json | rdfs:seeAlso | 22133 |
| Cultuur Historische Thesaurus/RCE | text/html, |
sdo:additionalType | 2099 |
| Wikidata | text/html, application/n-triples, text/turtle, application/ld+json, application/rdf+xml | rdfs:seeAlso | 1779 |
| sdo:sameAs | 55 | ||
| owl:sameAs | 52 | ||
| sdo:creator | 2 | ||
| Archeologisch Basis Register/RCE | text/html, |
sdo:temporalCoverage | 482 |
| sdo:additionalType | 277 | ||
| sdo:keywords | 144 | ||
| sdo:subjectOf | 36 | ||
| Cultuurhistorische Objecten/RCE | text/html, application/n-triples, text/turtle, application/ld+json | rdfs:seeAlso | 347 |
| Thesaurus Auteurs DBNL | text/html, application/n-triples, text/turtle, application/ld+json, application/rdf+xml | sdo:sameAs | 35 |
| owl:sameAs | 35 | ||
| rdfs:seeAlso | 2 | ||
| Nederlandse Bibliografie Totaal (NBT) | text/html, application/n-triples, text/turtle, application/ld+json, application/rdf+xml | rdfs:seeAlso | 35 |
| Geonames | text/html, |
rdfs:seeAlso | 22 |
| sdo:location | 3 | ||
| RKDartist | application/n-triples, text/turtle, application/ld+json | sdo:sameAs | 1 |
| rdfs:seeAlso | 1 | ||
| CREATE/UvA | text/html, application/n-triples, text/turtle, application/ld+json, application/rdf+xml | rdfs:seeAlso | 1 |
| 228790 |
HTML (non-RDF) URIs
| Source | Supported MIME-types | Property | Count |
|---|---|---|---|
| Gouda Tijdmachine | text/html | owl:sameAs | 1788584 |
| Thesaurus Historische Persoonsgegevens (PiCo) | text/html | sdo:additionalType | 556496 |
| pico:hasRole | 180036 | ||
| Streekarchief Midden-Holland (SAMH) | text/html | sdo:isBasedOn | 556496 |
| roar:documentedIn | 21179 | ||
| owl:sameAs | 17090 | ||
| sdo:url | 5843 | ||
| gtm:informatieAuteursRechten | 5834 | ||
| rico:hasInstantiation | 7 | ||
| sdo:publisher | 4 | ||
| prov:hadPrimarySource | 3 | ||
| rico:isSourceOf | 2 | ||
| sdo:citation | 2 | ||
| sdo:documentation | 1 | ||
| sdo:contentUrl | 1 | ||
| sdo:description | 1 | ||
| PDOK | text/html | prov:hadPrimarySource | 27138 |
| IISG | text/html | sdo:hasOccupation | 14869 |
| sdo:sameAs | 2 | ||
| Website Online Begraafplaatsen | text/html | sdo:subjectOf | 6647 |
| Website Oude Begraafplaats Gouda | text/html | sdo:subjectOf | 3032 |
| sdo:url | 1 | ||
| prov:hadPrimarySource | 1 | ||
| Gemeente Gouda | text/html | sdo:mainEntityOfPage | 865 |
| sdo:contentUrl | 272 | ||
| sdo:isBasedOn | 2 | ||
| prov:hadPrimarySource | 2 | ||
| Gouds Metaheerhuis | text/html | sdo:dateCreated | 346 |
| sdo:subjectOf | 78 | ||
| prov:hadPrimarySource | 1 | ||
| Monumentenregister/RCE3 | text/html | sdo:subjectOf | 349 |
| sdo:comment | 1 | ||
| Joods Monument | text/html | sdo:subjectOf | 346 |
| DBNL | text/html | sdo:url | 284 |
| prov:hadPrimarySource | 4 | ||
| sdo:subjectOf | 1 | ||
| Archis (RCE) | text/html | sdo:subjectOf | 272 |
| Gouda Tijdmachine | text/html | sdo:hasRepresentation | 159 |
| sdo:contentUrl | 23 | ||
| sdo:usageInfo | 22 | ||
| sdo:mainEntityOfPage | 4 | ||
| sdo:url | 2 | ||
| sdo:subjectOf | 1 | ||
| Biografisch portaal | text/html | sdo:sameAs | 66 |
| owl:sameAs | 65 | ||
| rdfs:seeAlso | 61 | ||
| sdo:subjectOf | 11 | ||
| VIAF | text/html | owl:sameAs | 63 |
| sdo:sameAs | 63 | ||
| rdfs:seeAlso | 40 | ||
| sdo:subjectOf | 1 | ||
| Rijksdienst Cultureel Erfgoed (RCE) | text/html | prov:hadPrimarySource | 163 |
| sdo:creator | 1 | ||
| Afbeeldingen RCE | text/html | sdo:contentUrl | 153 |
| DOI2 | text/html, |
owl:sameAs | 138 |
| rdfs:seeAlso | 13 | ||
| sdo:url | 2 | ||
| Gouda Waterstad | text/html | sdo:subjectOf | 150 |
| Linked Data KB, nationale bibliotheek | text/html | sdo:sameAs | 57 |
| owl:sameAs | 56 | ||
| rdfs:seeAlso | 29 | ||
| sdo:author | 2 | ||
| prov:hadPrimarySource | 1 | ||
| Wikipedia! | text/html | sdo:subjectOf | 126 |
| sdo:mentions | 6 | ||
| sdo:isBasedOn | 1 | ||
| sdo:url | 1 | ||
| sdo:creator | 1 | ||
| Gevelstenen.net | text/html | prov:hadPrimarySource | 120 |
| sdo:isBasedOn | 1 | ||
| Die Goude | text/html | sdo:mentions | 88 |
| prov:hadPrimarySource | 6 | ||
| sdo:url | 2 | ||
| sdo:mainEntityOfPage | 1 | ||
| RKD | owl:sameAs | 39 | |
| sdo:sameAs | 39 | ||
| sdo:url | 4 | ||
| rdfs:seeAlso | 1 | ||
| Getty Vocabulary | text/html | rdfs:seeAlso | 28 |
| owl:sameAs | 26 | ||
| sdo:sameAs | 26 | ||
| Molendatabase | text/html | sdo:subjectOf | 77 |
| sdo:isBasedOn | 1 | ||
| Alle Molens | text/html | sdo:subjectOf | 77 |
| ReliWiki | text/html | sdo:subjectOf | 64 |
| sdo:url | 1 | ||
| prov:hadPrimarySource | 1 | ||
| Gouda op schrift | sdo:subjectOf | 26 | |
| sdo:mentions | 15 | ||
| KB resolver | text/html | sdo:url | 38 |
| Officiële bekendmakingen | text/html | sdo:mentions | 31 |
| prov:hadPrimarySource | 2 | ||
| sdo:subjectOf | 1 | ||
| Rijksmuseum | text/html | sdo:sameAs | 16 |
| owl:sameAs | 16 | ||
| In de Buurt | sdo:url | 20 | |
| sdo:subjectOf | 7 | ||
| sdo:mentions | 2 | ||
| Handle2 | text/html, |
sdo:url | 20 |
| sdo:sameAs | 2 | ||
| owl:sameAs | 2 | ||
| CERL thesaurus | text/html | owl:sameAs | 12 |
| sdo:sameAs | 12 | ||
| Kadastrale Kaart | text/html | prov:hadPrimarySource | 24 |
| Creative Commons | sdo:license | 20 | |
| Genealogie Online | text/html | owl:sameAs | 8 |
| sdo:sameAs | 8 | ||
| Gouds Virtueel Sluizenmuseum | text/html | sdo:subjectOf | 11 |
| sdo:mentions | 3 | ||
| Nationaal Archief | text/html | owl:sameAs | 9 |
| sdo:url | 3 | ||
| sdo:collection | 1 | ||
| VONDEL - Virtueel ONDErzoeksLaboratorium voor de Gouden Eeuw | text/html | sdo:sameAs | 6 |
| owl:sameAs | 5 | ||
| rdfs:seeAlso | 1 | ||
| ECARTICO | text/html | rdfs:seeAlso | 11 |
| sdo:url | 1 | ||
| Goudse canon | text/html | sdo:subjectOf | 12 |
| Teutsche Academie der Bau-, Bild- und Mahlerey-Künste | text/html | owl:sameAs | 6 |
| sdo:sameAs | 6 | ||
| Bibliothèque nationale de France | text/html | rdfs:seeAlso | 11 |
| FamilySearch | text/html | sdo:subjectOf | 9 |
| Het Geheugen (KB) | text/html | sdo:url | 8 |
| Wikimedia1 | text/html | sdo:url | 4 |
| prov:hadPrimarySource | 1 | ||
| sdo:subjectOf | 1 | ||
| sdo:image | 1 | ||
| Lokale Regelgeving Overheid.nl | text/html | sdo:mentions | 7 |
| Wbedit Digitaal Wetenschapshistorisch Centrum (KNAW) | text/html | owl:sameAs | 3 |
| sdo:sameAs | 3 | ||
| Protestantse kerk Gouda | text/html | prov:hadPrimarySource | 6 |
| Rijksmuseum | text/html | sdo:url | 5 |
| Open Archieven | text/html | prov:hadPrimarySource | 4 |
| roar:documentedIn | 1 | ||
| KBR | text/html | sdo:url | 5 |
| Geschiedenislokaal Midden-Holland | sdo:url | 4 | |
| Archivio di stato Torino | text/html | sdo:url | 3 |
| sdo:image | 1 | ||
| Objecten Universiteit Utrecht (UU) | text/html | sdo:url | 2 |
| sdo:hasRepresentation | 2 | ||
| Website Paul Abels | text/html | sdo:url | 1 |
| owl:sameAs | 1 | ||
| sdo:subjectOf | 1 | ||
| Archive.org | text/html | sdo:url | 2 |
| sdo:subjectOf | 1 | ||
| Handle2 | sdo:url | 3 | |
| Google Documenten | text/html | sdo:contentUrl | 2 |
| sdo:description | 1 | ||
| Github | text/html | sdo:usageInfo | 2 |
| sdo:contentUrl | 1 | ||
| RKD | text/html | sdo:url | 2 |
| sdo:subjectOf | 1 | ||
| Museum Gouda | text/html | sdo:url | 2 |
| sdo:contentUrl | 1 | ||
| HISGIS wiki | text/html | sdo:usageInfo | 2 |
| KB, nationale bibliotheek | text/html | sdo:url | 2 |
| Beeld & Geluid (Den Haag) | text/html | sdo:url | 1 |
| prov:hadPrimarySource | 1 | ||
| Hoogheemraadschap van Rijnland | text/html | sdo:url | 2 |
| Stanford University | text/html | sdo:hasRepresentation | 1 |
| sdo:url | 1 | ||
| Het Utrechts Archief | text/html | sdo:url | 1 |
| owl:sameAs | 1 | ||
| Vrije Universiteit (VU) | text/html | sdo:url | 2 |
| Digital Collections Münchener Digitale Bibliothek | text/html | sdo:hasRepresentation | 1 |
| sdo:collection | 1 | ||
| Museum Gouda | text/html | sdo:description | 1 |
| sdo:url | 1 | ||
| Open Archieven | sdo:contentUrl | 1 | |
| sdo:isBasedOn | 1 | ||
| WUR | text/html | sdo:url | 2 |
| British Museum | sdo:sameAs | 1 | |
| owl:sameAs | 1 | ||
| Koninklijk Oudheidkundig Genootschap | text/html | sdo:sameAs | 1 |
| sdo:url | 1 | ||
| House of cards | text/html | prov:hadPrimarySource | 2 |
| KBR | text/html | sdo:url | 1 |
| ISNI | rdfs:seeAlso | 1 | |
| Objecten TU Delft | sdo:url | 1 | |
| Website Arjan van Essen | sdo:subjectOf | 1 | |
| UB Leiden | text/html | sdo:url | 1 |
| Zuiderzeecollectie | text/html | sdo:collection | 1 |
| Genealogie Online! | text/html | sdo:sameAs | 1 |
| Nieuwsbrieven Gouda | text/html | sdo:image | 1 |
| Vrije Universiteit (VU) | text/html | sdo:url | 1 |
| TU Delft | text/html | sdo:url | 1 |
| Geheugen van Drenthe | text/html | sdo:subjectOf | 1 |
| New York Public Library | text/html | rdfs:seeAlso | 1 |
| Haags gemeentearchief | text/html | sdo:url | 1 |
| Delpher | text/html | sdo:url | 1 |
| Het Scheepvaartmuseum | text/html | sdo:url | 1 |
| Website spanjestrijders.nl | text/html | sdo:subjectOf | 1 |
| Meertens KNAW | text/html | prov:hadPrimarySource | 1 |
| OWMS | text/html | rdfs:seeAlso | 1 |
| Archiefman | text/html | rico:documentedBy | 1 |
| Linked Data RKD | text/html | prov:hadPrimarySource | 1 |
| Gemeente Gouda | text/html | sdo:mentions | 1 |
| Website goudasterkaandeijssel.nl | text/html | sdo:mentions | 1 |
| Website DELA | sdo:url | 1 | |
| Website schielandendekrimpenerwaard.nl | text/html | sdo:subjectOf | 1 |
| Edams Museum | sdo:url | 1 | |
| Het Groene Hart van Holland | text/html | sdo:subjectOf | 1 |
| Digital Collections Münchener Digitale Bibliothek | text/html | sdo:identifier | 1 |
| WUR on Worldcat | sdo:url | 1 | |
| Website RK Begraafplaats Gouda | text/html | sdo:url | 1 |
| Google Books | text/html | sdo:url | 1 |
| Cultuurhistorische Objecten/RCE3 | text/html | sdo:isBasedOn | 1 |
| Linked Data UB Universiteit van Amsterdam (UvA) | text/html | prov:hadPrimarySource | 1 |
| Objecten Rijksmuseum | sdo:name | 1 | |
| Open Beelden | text/html | sdo:url | 1 |
| Rijksdienst Cultureel Erfgoed (RCE) | text/html | sdo:url | 1 |
| Stadsarchief Rotterdam | text/html | sdo:url | 1 |
| DANS (KNAW) | text/html | prov:hadPrimarySource | 1 |
| Website Stichting Stolpersteinde | text/html | prov:hadPrimarySource | 1 |
| 3188700 |
Noten:
- Resources met een Wikipedia link hebben ook een rdfs:seeAlso property met Wikidata URI.
- De Handle en DOI URI's zijn niet getest op RDF, maar het sterke vermoeden is dat geen RDF opleveren.
- Bij deze RCE links moet nog gecontroleerd worden of er ook een RDF URI is en of die reeds is opgenomen in de GTM KG.
Analyse 16-10-2023
RDF URIs
| Source | Supported MIME-types | Property | Count |
|---|---|---|---|
| Basisadministratie Adressen en Gebouwen (BAG) | text/html, application/n-triples, text/turtle, application/ld+json, application/rdf+xml | rdfs:seeAlso | 28383 |
| Kadaster Knowledge Graph (KKG) | text/html, application/n-triples, text/turtle, application/ld+json | rdfs:seeAlso | 22132 |
| Gemeentegeschiedenis | text/html, |
sdo:birthPlace | 18088 |
| rdfs:seeAlso | 13 | ||
| sdo:spatialCoverage | 1 | ||
| IISH knowledge graph (IISG-KG) | text/html, application/n-triples, text/turtle, application/ld+json | rdfs:seeAlso | 14869 |
| Cultuur Historische Thesaurus/RCE | text/html, |
sdo:additionalType | 2079 |
| Wikidata | text/html, application/n-triples, text/turtle, application/ld+json, application/rdf+xml | rdfs:seeAlso | 1690 |
| sdo:creator | 2 | ||
| Archeologisch Basis Register/RCE | text/html, |
sdo:temporalCoverage | 486 |
| sdo:additionalType | 279 | ||
| sdo:keywords | 146 | ||
| sdo:subjectOf | 36 | ||
| Cultuurhistorische Objecten/RCE | text/html, application/n-triples, text/turtle, application/ld+json | rdfs:seeAlso | 347 |
| Nederlandse Bibliografie Totaal (NBT) | text/html, application/n-triples, text/turtle, application/ld+json, application/rdf+xml | rdfs:seeAlso | 35 |
| Geonames | text/html, |
rdfs:seeAlso | 22 |
| sdo:locationCreated | 3 | ||
| Nederlandse Thesaurus van Auteursnamen (NTA) | text/html, application/n-triples, text/turtle, application/ld+json, application/rdf+xml | rdfs:seeAlso | 23 |
| sdo:sameAs | 1 | ||
| CREATE/UvA | text/html, application/n-triples, text/turtle, application/ld+json, application/rdf+xml | rdfs:seeAlso | 1 |
| Thesaurus Auteurs DBNL | text/html, application/n-triples, text/turtle, application/ld+json, application/rdf+xml | rdfs:seeAlso | 1 |
| RKDartist | text/html, application/n-triples, text/turtle, application/ld+json, application/rdf+xml | rdfs:seeAlso | 1 |
| 88638 |
HTML (non-RDF) URIs
| Source | Supported MIME-types | Property | Count |
|---|---|---|---|
| Streekarchief Midden-Holland (SAMH) | text/html | roar:documentedIn | 21231 |
| sdo:url | 5937 | ||
| owl:sameAs | 8 | ||
| sdo:publisher | 4 | ||
| prov:hadPrimarySource | 3 | ||
| sdo:citation | 2 | ||
| sdo:description | 1 | ||
| sdo:contentUrl | 1 | ||
| PDOK | text/html | prov:hadPrimarySource | 27138 |
| Nationaal Geo Register | text/html | prov:hadPrimarySource | 20840 |
| Gemeente Gouda | text/html | sdo:mainEntityOfPage | 865 |
| sdo:contentUrl | 274 | ||
| prov:hadPrimarySource | 2 | ||
| sdo:isBasedOn | 2 | ||
| Monumentenregister/RCE3 | text/html | sdo:subjectOf | 349 |
| sdo:comment | 1 | ||
| Archis (RCE) | text/html | sdo:subjectOf | 272 |
| Rijksdienst Cultureel Erfgoed (RCE) | text/html | prov:hadPrimarySource | 163 |
| sdo:creator | 1 | ||
| Gouda Waterstad | text/html | sdo:subjectOf | 150 |
| DOI2 | text/html, |
owl:sameAs | 138 |
| Wikipedia! | text/html | sdo:subjectOf | 124 |
| sdo:mentions | 6 | ||
| sdo:creator | 1 | ||
| sdo:isBasedOn | 1 | ||
| Gevelstenen.net | text/html | prov:hadPrimarySource | 120 |
| sdo:isBasedOn | 1 | ||
| Die Goude | text/html | sdo:mentions | 87 |
| prov:hadPrimarySource | 2 | ||
| sdo:mainEntityOfPage | 1 | ||
| sdo:url | 1 | ||
| Molendatabase | text/html | sdo:subjectOf | 77 |
| sdo:isBasedOn | 1 | ||
| Alle Molens | text/html | sdo:subjectOf | 77 |
| ReliWiki | text/html | sdo:subjectOf | 64 |
| prov:hadPrimarySource | 1 | ||
| sdo:url | 1 | ||
| Gouda op schrift | sdo:subjectOf | 26 | |
| sdo:mentions | 15 | ||
| KB resolver | text/html | sdo:url | 36 |
| Officiële bekendmakingen | text/html | sdo:mentions | 31 |
| GTM data | text/html | sdo:usageInfo | 21 |
| sdo:contentUrl | 6 | ||
| sdo:url | 1 | ||
| In de Buurt | sdo:url | 19 | |
| sdo:subjectOf | 7 | ||
| sdo:mentions | 2 | ||
| Kadastrale Kaart | text/html | prov:hadPrimarySource | 24 |
| Handle2 | text/html, |
sdo:url | 18 |
| Gouds Virtueel Sluizenmuseum | text/html | sdo:subjectOf | 11 |
| sdo:mentions | 2 | ||
| Goudse canon | text/html | sdo:subjectOf | 12 |
| Biografisch portaal | text/html | sdo:subjectOf | 10 |
| sdo:sameAs | 1 | ||
| Nationaal Archief | text/html | owl:sameAs | 6 |
| sdo:url | 3 | ||
| sdo:collection | 1 | ||
| Het Geheugen (KB) | text/html | sdo:url | 8 |
| Lokale Regelgeving Overheid.nl | text/html | sdo:mentions | 7 |
| DBNL | text/html | prov:hadPrimarySource | 3 |
| sdo:url | 2 | ||
| Rijksmuseum | text/html | sdo:url | 5 |
| Wikimedia1 | text/html | sdo:url | 3 |
| sdo:image | 1 | ||
| prov:hadPrimarySource | 1 | ||
| KBR | text/html | sdo:url | 5 |
| Gouda Tijdmachine | text/html | sdo:contentUrl | 3 |
| sdo:subjectOf | 1 | ||
| Archivio di stato Torino | text/html | sdo:url | 3 |
| sdo:image | 1 | ||
| Google Documenten | text/html | sdo:contentUrl | 2 |
| sdo:description | 1 | ||
| Handle2 | text/html, |
sdo:url | 3 |
| Museum Gouda | text/html | sdo:url | 2 |
| sdo:contentUrl | 1 | ||
| Creative Commons | sdo:license | 3 | |
| RKDimages | text/html | sdo:url | 3 |
| Website Paul Abels | text/html | sdo:subjectOf | 1 |
| sdo:url | 1 | ||
| owl:sameAs | 1 | ||
| Github | text/html | sdo:usageInfo | 2 |
| sdo:contentUrl | 1 | ||
| Vrije Universiteit (VU) | text/html | sdo:url | 2 |
| House of cards | text/html | prov:hadPrimarySource | 2 |
| Het Utrechts Archief | text/html | owl:sameAs | 1 |
| sdo:url | 1 | ||
| WUR | text/html | sdo:url | 2 |
| HISGIS wiki | text/html | sdo:usageInfo | 2 |
| Koninklijk Oudheidkundig Genootschap | text/html | sdo:url | 1 |
| sdo:sameAs | 1 | ||
| Geschiedenislokaal Midden-Holland | text/html | sdo:url | 2 |
| Beeld & Geluid (Den Haag) | text/html | sdo:url | 1 |
| prov:hadPrimarySource | 1 | ||
| Google Books | text/html | sdo:url | 1 |
| Ecartico | text/html | sdo:sameAs | 1 |
| Archiefman | text/html | rico:documentedBy | 1 |
| Het Scheepvaartmuseum | text/html | sdo:url | 1 |
| GTM gisserver | text/html | sdo:mainEntityOfPage | 1 |
| Cultuurhistorische Objecten/RCE3 | text/html | sdo:isBasedOn | 1 |
| Hoogheemraadschap van Rijnland | text/html | sdo:url | 1 |
| Museum Gouda | text/html | sdo:url | 1 |
| Nieuwsbrieven Gouda | text/html | sdo:image | 1 |
| RKD | text/html | sdo:url | 1 |
| Website Arjan van Essen | sdo:subjectOf | 1 | |
| Zuiderzeecollectie | text/html | sdo:collection | 1 |
| KB, nationale bibliotheek | text/html | sdo:url | 1 |
| TU Delft | text/html | sdo:url | 1 |
| KBR | text/html | sdo:url | 1 |
| OWMS | text/html | sdo:sameAs | 1 |
| Genealogie Online! | text/html | sdo:sameAs | 1 |
| Delpher | text/html | sdo:url | 1 |
| WUR on Worldcat | sdo:url | 1 | |
| Gemeente Gouda | text/html | sdo:mentions | 1 |
| DANS (KNAW) | text/html | prov:hadPrimarySource | 1 |
| Het Groene Hart van Holland | text/html | sdo:subjectOf | 1 |
| Stadsarchief Rotterdam | text/html | sdo:url | 1 |
| Open Archieven | text/html | sdo:contentUrl | 1 |
| Edams Museum | sdo:url | 1 | |
| UB Leiden | text/html | sdo:url | 1 |
| Archive.org | text/html | sdo:url | 1 |
| Gouda Tijdmachine | text/html | sdo:subjectOf | 1 |
| 78307 |
Noten:
- Resources met een Wikipedia link hebben ook een rdfs:seeAlso property met Wikidata URI.
- De Handle en DOI URI's zijn niet getest op RDF, maar het sterke vermoeden is dat geen RDF opleveren.
- Bij deze RCE links moet nog gecontroleerd worden of er ook een RDF URI is en of die reeds is opgenomen in de GTM KG.