2017 » TopQuadrant, Inc

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Yearly Archives: 2017

The “Governance of Data Governance”

Governance of data is not only about managing metadata of enterprise data assets, its also about setting up a “Governance Framework” that defines business areas, data subject areas, organizations, roles and responsibilities. In this post we provide an overview of … Read More »

Posted in Data Governance, Governance, The Semantic Ecosystems Journal, TopBraid EDG | Comments Off

GDPR was a hot topic at DGIQ 2017

For several years TopQuadrant has been a sponsor at the DGIQ Conference in San Diego. This year the conference was bigger than ever! From our own experience, we know that this reflects the continuing fast growth in the use of … Read More »

Posted in Data Governance, GDPR, GDPR, SHACL, The Semantic Ecosystems Journal, Uncategorized | Comments Off

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” … Read More »

Posted in Ontologies, SHACL, The Semantic Ecosystems Journal | Comments Off

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 (among … Read More »

Posted in Linked Data, SHACL, SHACL, The Semantic Ecosystems Journal, topbraid, TopBraid EDG, TopBraid EDG, TopBraid EVN, TopBraid EVN | Comments Off

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 document, … Read More »

Posted in Data Governance, Linked Data, Ontologies, Ontologies, SHACL, SHACL, SPARQL, The Semantic Ecosystems Journal, topbraid, TopBraid EDG, TopBraid EDG, TopBraid EVN, TopBraid EVN | Comments Off
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