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.
Query this dataset (opens in new tab)- Publisher
- Gouda Time Machine (GTM)
- Creator
- Streekarchief Midden-Holland (opens in new tab) , Historische Vereniging Die Goude (opens in new tab)
- Spatial Coverage
- https://n2t.net/ark:/60537/buzpEa
- Temporal Coverage
- 1300-2020
- Languages
- nl
- Issued
- October 4, 2021
- Modified
- November 3, 2025
Distributions
SPARQL
SPARQL-endpoint (Qlever)
https://sparql.goudatijdmachine.nl/ (opens in new tab) met text index
Issued: 5/23/2025 Modified: 2/13/2026
N-Triples
N-triples datadump (goudatijdmachine.nt.gz)
https://www.goudatijdmachine.nl/omeka/files/goudatijdmachine.nt.gz (opens in new tab) Gecomprimeerde export van Omeka-S data in N-Triples.
Issued: 12/20/2021 Modified: 3/15/2026 File Size: 371.4 MB
Linked Data Summary
3,512,133
Unique subjects
42,106,281
Triples
12.0
Avg. triples per subject
275
Unique predicates
10,070,715
Unique objects
65%
35%
Literals: 6,551,909
URIs: 3,518,806
Classes
Class
Entities
omekas:Item
1,548,776
45%45.3%
pico:PersonObservation
1,045,626
31%30.6%
omekas:Media
281,753
8%8.2%
schema:ArchiveComponent
235,738
7%6.9%
goudatijdmac…/def#Perceel
58,138
2%1.7%
goudatijdmac…erAanduiding
41,431
1%1.2%
Properties
Property
Entities
omekas:title
3,065,744
25%24.6%
prov:hadPrimarySource
2,097,277
17%16.8%
omekas:id
1,832,064
15%14.7%
omekas:created
1,830,692
15%14.7%
omekas:modified
1,830,692
15%14.7%
omekas:owner
1,830,680
15%14.7%
Value Types
Value Type
Triples
xsd:string
13,346,592
36%35.8%
xsd:dateTime
6,758,630
18%18.1%
omekas:Item
6,183,259
17%16.6%
rdf:langString
3,979,382
11%10.7%
xsd:int
3,615,201
10%9.7%
xsd:boolean
3,379,574
9%9.1%
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://schema.org/ (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)
Terminology Sources
- Rijksmonumentenregister (347 triples)
Registration
- Registered URL
- Registered on
- December 3, 2025 at 02:13 PM
- Last read
- 1 hour ago
- Quality Rating
- 100%