RDF data integration
RDF data integration consists to integrate some data into an RDF graph.
Systems
D2RQ
The D2RQ is an historical system for accessing relational databases as a virtual RDF graphs. The project is not maintained anymore. It is build using Jena. It has a dedicated mappings language.
Obi-Wan
Obi-Wan is the system I developed during my thesis.
Mapping language
- Expressive RDF Mapper (XRM) : https://zazuko.com/products/expressive-rdf-mapper/
- RML (see YARRRML serialization) : https://rml.io/specs/rml
- SMS2 (Stardog mapping Syntax 2) : https://docs.stardog.com/virtual-graphs/mapping-data-sources
- ShExML (Shape Expressions Mapping Language) : https://github.com/herminiogg/ShExML
