OWL or SHACL: A Beginner’s Guide to Making the Right Choice
KGC 2026
•
1h 33m
This tutorial introduces participants to the core concepts of OWL and SHACL, using museum data to walk through ontology modeling and shape validation. We focus on practical decision-making: which technology is appropriate in a given scenario and why. Participants will engage with structured hands-on tasks and explore the implications of design decisions through guided discussions.
A special emphasis will be placed on helping attendees understand the distinction between working under the Open World Assumption (OWA), which governs OWL, and the Closed World Assumption (CWA), which underpins SHACL. Through an example-based journey using real-world museum data, participants will experience how these assumptions influence data modeling, validation, and reasoning. By comparing how OWL and SHACL behave when information is incomplete or inconsistent, attendees will gain insight into selecting the right tool for their specific data quality and reasoning needs.
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