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How to define constraints on rdf:Lists using SHACL

RDF lists are a rather weak spot of the semantic technology stack. Their design is basically a linked structure of intermediate list nodes using dedicated properties rdf:rest and rdf:first. So a simple list of string literals "red", "yellow" and "green" is internally...

How to use TopBraid as a data validation server

RDF data validation is the process of checking a (data) graph against constraints from a schema definition. In the Shapes Constraint Language (SHACL), constraints are themselves expressed in a RDF syntax, in so-called shapes graphs. SHACL-based validation engines can...

An Overview of SHACL Features and Specifications

After two and half years of collaboration and discussions, the W3C Data Shapes Working Group has produced a collection of specifications that define the features of the Shapes Constraint Language (SHACL): SHACL (Official W3C Standard Recommendation) is the main...

Where do metadata management solutions fall short and why?

During our recent webinar on metadata management, we ran several polls including one that asked attendees "What can’t you do with your metadata management solution?". The chart below summarizes results: To analyze these results and discuss the root causes of these...

Q&A FROM OUR RECENT WEBINAR, “Semantic Data Governance for GDPR Compliance”

Click on the image above for an expanded view We fielded several questions as part of our recent webinar, Semantic Data Governance for GDPR Compliance. The webinar focused on how organizations can leverage TopBraid Enterprise Data Governance (EDG) to effectively...

Technology and Your GDPR journey

Since you’ve reached this page, GDPR (General Data Protection Regulation) must mean something to you or you need to find out if it does! In this blog, we will quickly review GDPR and its importance and then focus on the role technology can play to support effective...