GraphQL + OWL: Mutations

In the fourth of our GraphQL + OWL series, we design the “write” side of the system: in GraphQL, Mutations. Mutations, as the name suggests, allow the manipulation of data.
GraphQL + OWL: Types & Fields

The third part of our “GraphQL + OWL” series deals with types and properties, which are the building blocks of ontology and GraphQL.
GraphQL + OWL: Namespaces

In this article, we begin the implementation of a system providing a GraphQL interface on top of an arbitrary set of ontologies.
Towards a scalable Solr-based RDF Store

SolRDF (i.e., Solr + RDF) is a set of Solr extensions for managing (indexing and searching) RDF data. In a preceding post, I described how to set up a standalone SolRDF instance in two minutes; in this post, I’ll describe how to run SolRDF in a simple cluster. The required steps are similar to what […]
SPARQL Integration tests with SolRDF

The SolRDF Integration Tests Suite
Solr SPARQL Endpoint in Two Minutes

A Solr-backed RDF Store in 2 minutes.