Comunica

A knowledge graph querying framework for JavaScript

Flexible SPARQL and GraphQL over decentralized RDF on the Web.

Learn more about Comunica on our website.

Comunica is an open-source project that is used by many other projects, and is being maintained by a group of volunteers. If you would like to support this project, you may consider:

• Contributing directly by writing code or documentation; or
• Contributing indirectly by funding this project via Open Collective.

Supported by

Comunica is a community-driven project, sustained by the Comunica Association. If you are using Comunica, becoming a sponsor or member is a way to make Comunica sustainable in the long-term.

Our top sponsors are shown below!

Query with Comunica

Read one of our guides to get started with querying:

• Querying from the command line
• Updating from the command line
• Querying local files from the command line
• Querying in a JavaScript app
• Updating in a JavaScript app
• Querying in a JavaScript browser app
• Setting up a SPARQL endpoint
• Querying from a Docker container
• Setting up a Web client
• Query using the latest development version

Or jump right into one of the available query engines:

• Comunica SPARQL: SPARQL/GraphQL querying from JavaScript applications or the CLI (Browser-ready via a CDN)