OWL reasoning

RDF graphs - Intro to RDF graph visualization + demo.

SNOMED CT RF2 to OWL - Convert SNOMED CT RF2 to OWL online.

SPARQL Playground (RDF Playground) - Experiment with running SPARQL queries against RDF data.

RDF* and the onset of Linked Data* and the Semantic Web* - The evolution of RDF and the related technologies fuelled by the need to make statements about statements.

Data exploration on linked COVID-19 datasets - An overview of the available RDF datasets and discovery tools for COVID-19.

Why federation is a game-changing feature of SPARQL - SPARQL federation is an incredibly useful feature for querying distributed RDF graphs.

The RDF model of the Gene Ontology, demystified - An outline of the structure of the Gene Ontology RDF graph and ways to query it.

Semantic Web Browser - Look up entities on the Semantic Web.

Creating an Amazon Neptune database using AWS CDK v2 - Provisioning a graph database cluster in AWS using TypeScript.

Turtle Editor - Edit Turtle documents online.

Introduction to SPARQL - SPARQL is a query language for graph data. The graph model of thinking fits well a lot of use cases.

The building blocks of OWL - What makes up OWL ontologies and how do they support logical inference?

SHACL Validator - Validate RDF data against SHACL shapes.

Let's explore the Nobel Prize dataset - An overview of the official Nobel Prize Linked Data dataset with some example SPARQL queries.

SPARQL Client - Query SPARQL endpoints online.

Demo