Describes developing a query to delete objects that have different IRIs but are essentially duplicates.

SPARQL query to delete asserted property values on datatype super properties

The DaanMatch project and how knowledge graphs and NLP were used to facilitate linking NGOs with the UN Sustainable Development Goals

Link to a YouTube playlist that takes you through some basic steps in Protégé

Describes ways to use the Simple Knowledge Organization System (SKOS) to define mappings from one Concept Scheme to another.

Discusses the pros and cons of property graphs (Neo4J and Cypher) contrasted with the Semantic Web stack: RDF, OWL, SPARQL, SHACL, SWRL

I recently wrote a paper with Robert Neches who used to be my boss at the Information Sciences Institute (ISI). When I work with...

Use SPARQL to convert user supplied IRI names to UUIDs

Presentations from the Semtech 2021 Semantic Web workshop held at the Indian Statistical Institute.