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Why I Don’t Use OWL Anymore
The idea for this blog came from a question asked by a customer. They said: "When do you use OWL and when do you use SHACL? Isn't OWL about semantics and SHACL about data validation? And what about RDFS?" My answer was that I no longer used RDFS/OWL. I now use SHACL...
read moreRDF-Star – Why, how and when should you use it?
In the previous blog we discussed what is reification and how you could implement it when working with knowledge graphs. In this blog, we will focus on one approach, RDF-star, and its support in TopBraid EDG. As mentioned before, RDF-star is a proposed extension to...
read moreReification – Capturing facts about facts
What is Reification? While the name may sound complex, the concept is easy to understand. Reification is a technical term used in talking about possible approaches to making statements about facts captured in a graph. Let's look at a simple example: Consider a...
read moreQ&A from the EDW 2021 Presentation: “Data Cataloging with Knowledge Graphs” – part2
TopQuadrant participated in the recent Enterprise Data World conference with our CEO, Irene Polikoff, giving a presentation on “Data Cataloging with Knowledge Graphs“. This is part 2 of the blog series that explores interesting questions we received following the...
read moreQ&A from the EDW 2021 Presentation: “Data Cataloging with Knowledge Graphs” – part1
TopQuadrant participated in the recent Enterprise Data World conference with our CEO, Irene Polikoff, giving a presentation on "Data Cataloging with Knowledge Graphs". We had a lot of interactions and interesting questions from the talk attendees. If you attended the...
read moreDCAT Data Catalogs with TopBraid EDG
This is the third blog in TopQuadrant’s series of blogs about Open Data catalogs of datasets. The first blog was about the EU Open Data Portal, its capabilities and its use of RDF technologies and, specifically, DCAT vocabulary. The second blog showed a searchable interactive Open Data catalog in TopBraid EDG, using EDG’s out of the box capabilities to host datasets downloaded from the EU Open Data Portal. This blog discusses why you may want to base your catalog on the TopBraid EDG pre-built ontologies for describing enterprise data and how to align their use with DCAT.
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