Gouda Timemachine đź•“ Knowledge Graph
A knowledge graph of data about Gouda places (plots, buildings, addresses, bridges, watercourses, etc.) and people (residents, owners, administrators, etc.) linked to source information such as SAMH & Cadastre and thesauri such as GemeenteGeschiedenis and the Cultural Historical Thesaurus (RCE). Vocabularies used include schema.org, Records-in-context (RiCo), Persons-in-context (PiCo), PROV, Histograph and a proprietary Gouda Time Machine ontology.
- Publisher
- Gouda Time Machine (GTM)
- Creator
- Streekarchief Midden-Holland (opens in new tab) , Historische Vereniging Die Goude (opens in new tab)
- Spatial Coverage
- https://sws.geonames.org/2755420/
- Temporal Coverage
- 1300 – 2020
- Languages
- Dutch
- Issued
- October 4, 2021
- Modified
- April 21, 2026
Linked Data Summary
3,477,951
Unique subjects
43,284,247
Triples
12.4
Avg. triples per subject
271
Unique predicates
10,977,203
Unique objects
68%
32%
Literals: 7,488,956
URIs: 3,488,247
Classes
Class
Entities
omekas:Item
1,552,657
45%45.3%
pico:PersonObservation
1,048,395
31%30.6%
omekas:Media
283,721
8%8.3%
schema:ArchiveComponent
236,601
7%6.9%
goudatijdmac…/def#Perceel
58,138
2%1.7%
goudatijdmac…erAanduiding
41,434
1%1.2%
Properties
Property
Entities
omekas:title
3,070,413
25%24.5%
prov:hadPrimarySource
2,102,480
17%16.8%
omekas:id
1,836,738
15%14.7%
omekas:created
1,836,548
15%14.7%
omekas:modified
1,836,548
15%14.7%
omekas:owner
1,836,534
15%14.7%
Value Types
Value Type
Triples
xsd:string
13,111,633
35%35.0%
xsd:dateTime
6,778,118
18%18.1%
omekas:Item
6,229,114
17%16.6%
rdf:langString
4,338,894
12%11.6%
xsd:int
3,626,098
10%9.7%
xsd:boolean
3,389,345
9%9.0%
Vocabularies
- http://www.w3.org/2004/02/skos/core# (opens in new tab)
- http://purl.org/dc/terms/ (opens in new tab)
- http://www.w3.org/1999/02/22-rdf-syntax-ns# (opens in new tab)
- http://www.w3.org/2000/01/rdf-schema# (opens in new tab)
- http://www.w3.org/2002/07/owl# (opens in new tab)
- http://semanticweb.cs.vu.nl/2009/11/sem/ (opens in new tab)
- http://www.opengis.net/ont/geosparql# (opens in new tab)
- http://www.w3.org/ns/prov# (opens in new tab)
- https://www.ica.org/standards/RiC/ontology# (opens in new tab)
- https://personsincontext.org/model# (opens in new tab)
- https://schema.org/ (opens in new tab)
Terminology Sources
- Gouda streets (7,705,244 triples)
- Thesaurus Historische Persoonsgegevens - roles (416,302 triples)
- Cultural-historical Thesaurus (3,601 triples)
- Wikidata: streets in the Netherlands (1,448 triples)
- Archaeological Basic Register (1,143 triples)
- RKDartists (382 triples)
- Rijksmonumentenregister (347 triples)
- STCN: printers (172 triples)
- Canon van Limburg (128 triples)
- GeoNames: global geographical names (315 triples)
- Art & Architecture Thesaurus (6 triples)
Registration
- Registered URL
- Registered on
- December 3, 2025 at 02:13 PM
- Last read
- 8 hours ago
- Completeness
- 100%