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.

Automated checks

These checks run automatically against the current NDE criteria. They give an up-to-date picture and help you improve the findability and reusability of your dataset. Learn more (opens in new tab)

  • Registered in the Dataset Register

    This dataset’s description is registered in the Dataset Register, so it can be found and reused. View registration details

  • Provides linked data

    This dataset provides linked data, but it does not yet conform to the NDE Schema.org Application Profile.

    43,284,247 triples found.

  • Uses terms from the Network of Terms

    Objects in this dataset link to shared terms from terminology sources in the Network of Terms(opens in new tab), which makes the data interoperable and easier to find.

    contains 8,129,088 links to terms

  • Does not provide IIIF media

    With IIIF, the images in a dataset can be viewed in any IIIF viewer.

Linked Data Summary

3,477,951
Unique subjects
43,284,247
Triples
12.4
Avg. triples per subject
271
Unique predicates
10,976,603
Unique objects
68%
32%
Literals: 7,488,356
URIs: 3,488,247

Classes

Class
Entities
omekas:Item
1,552,657
45%
pico:PersonObservation
1,048,395
31%
omekas:Media
283,721
8%
schema:ArchiveComponent
236,601
7%
goudatijdmac…/def#Perceel
58,138
2%
goudatijdmac…erAanduiding
41,434
1%

Properties

Property
Entities
omekas:title
3,070,413
25%
prov:hadPrimarySource
2,102,480
17%
omekas:id
1,836,738
15%
omekas:created
1,836,548
15%
omekas:modified
1,836,548
15%
omekas:owner
1,836,534
15%

Value Types

Value Type
Triples
xsd:string
13,111,633
35%
xsd:dateTime
6,778,118
18%
omekas:Item
6,229,114
17%
rdf:langString
4,338,894
12%
xsd:int
3,626,098
10%
xsd:boolean
3,389,345
9%

Registration

Registered on
December 3, 2025 at 02:13 PM
Last read
4 hours ago
Completeness
100%