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The Kadaster Knowledge
Graph & LOKI
Ronzhin, S.; Folmer, E.; Maria, P.; Brattinga, M.; Beek, W.;
Lemmens, R.; van’t Veer, R. Kadaster Knowledge Graph:
Beyond the Fifth Star of Open Data. Information 2019, 10, 310.
https://www.mdpi.com/548974
‫ן‬ Data Science Team Lead @ Kadaster
‫ן‬ Research Associate on Interoperabilty & Standards @ University of Twente
‫ן‬ Board Member @ Platform Linked Data Netherlands
4 |
Dutch system of Key Registers
6 |
The dream:
Self Service GIS
Data story
17 |
18 |
Dutch system of Key Registers
19 |
Dutch Humour: System of Silos
20 |
Can you imagine?
My dream!
Paleis het Loo
https://brt.basisregistraties.overheid.nl/top10nl/id/gebouw/101895841
Citizens want a complete overview of their environment, which includes Kadaster
data, but also municipality data, statistical data, etc. Based on the Knowledge
Graph we are able to provide this integrated view on data.
KG Adoptionhttps://image.slidesharecdn.com/adoption2019-190707103449/95/adoption-of-knowledge-graphs-mid-2019-1-1024.jpg?cb=1562495720
Essence of Kadaster KG project
It is not new, it was already possible……but expensive, not scaleable, not
open, etc...
The main differences are:
● Web standards based (linked data, interoperable)
● No spatial links, but administrative links.
● Data at the Source (in demo: 6 sparql endpoints federation)
● Application independent.
Demo
“Graph Browsing”
Demo
“Data Story”
Demo
LOKI
Source: https://www.forbes.com/sites/danwoods/2018/09/19/is-the-enterprise-knowledge-graph-going-to-finally-make-all-data-usable/#5113ba747d39
Solution
Loki, which houses in
Apeldoorn have a
surface of more than
100 square meters?
Location based Kadaster Information
(btw, not really chat….but more Q&A)
43 |
Inleiding Doelstellingen Oplossing Projectaanpak Kosten & Baten Bijlagen
44 |
Inleiding Doelstellingen Oplossing Projectaanpak Kosten & Baten Bijlagen
The Kadaster Knowledge
Graph & LOKI
Ronzhin, S.; Folmer, E.; Maria, P.; Brattinga, M.; Beek, W.;
Lemmens, R.; van’t Veer, R. Kadaster Knowledge Graph:
Beyond the Fifth Star of Open Data. Information 2019, 10, 310.
https://www.mdpi.com/548974
Some issues

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Kadaster Knowledge Graph