Comunica Introduction

Abstract access to Knowledge Graphs

Hide the complexities of reading and writing for app developers

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Heterogeneity and Federation

• Understanding any source

  Give it any URL, and Comunica will aim to query it as efficient as possible
  Linked Data documents, Triple Pattern Fragments, SPARQL endpoints, ...

• Combining multiple sources

  Data can be spread over multiple sources

• Source discovery

  All relevant sources may not always be known beforehand
  For fully decentralised data (Solid)

Flexible and Modular Meta-Query Engine

• Collection of building blocks

  Independent modules implement specific functionality

• Combining building blocks

  Building custom query engines with specific functionality and settings
  Using a flexible configuration system

• Presets

  Pre-compiled configurations for common combinations of functionality
  Comunica SPARQL, Comunica Solid, ...

Comunica is Open

• Open standards

  Implements Web standards (SPARQL, RDF, ...)
  Implemented using Web standards (JavaScript)
  Interoperable with other TS/JS libraries using the RDF/JS interfaces

• Open source

  MIT-licensed: https://github.com/comunica/comunica

• Open governance

  Comunica Association connects organisations