Published March 10, 2022 | Version v1
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Assessing, Creating and Using Knowledge Graph Restrictions

  • 1. Ghent University - imec


  • 1. Ghent University - imec


The presentation of my public PhD defense on March 10, 2022. The related video is available at

This doctoral thesis tackles the support of users when assessing, creating and using Knowledge Graph restrictions.
More concretely, in this dissertation the FAIR Montolo statistics are contributed, supporting users in assessing existing Knowledge Graphs based on used restrictions.
The two visual notations ShapeUML and ShapeVOWL are presented and evaluated: they represent all constraint types of the Shapes Constraint Language (SHACL) and thus advance the state of the art.
Finally, the use of restrictions to represent formal meaning and to assess data quality is demonstrated for a social media archiving use case in the BESOCIAL project of the Royal Library of Belgium (KBR).


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