Open information system for use in blended learning environments.

Implementation reports of R2RML

Docker image for ontop OBDA framework

Master's repository on exploring Zurich attractions (using H2/OWL/R2RML/Ontop/RDF4J) for the "Semantic Technologies and Linked Data" course (06/2020)

Antidot implementations of R2RML and Direct Mapping specifications

A friendly language for mappings to RDF

EVI: .NET implementation of an RDB2RDF storage based on R2RML mapping file

Repository contains files to extract and enrich data from closed database of the Online-Stadtführer maintained by Behindertenverband Leipzig e.V (in German). Besides that, further files like a R2RML mapping, are maintained.

ANTLR specification of our RDF Mapping Language - JSON-NLP to RDF

Comprehensive solution framework for implementing semantic technologies in real-world retail scenarios

ITT: A general architecture for virtual knowledge graphs

All you need to convert relational databases (RDB) to RDF in a declarative & fully automated way.

Virtual Knowledge Graph Access for Skyline Queries

A modular R2RML suite built on Apache Jena. Featuring a complete domain API built on Jena's polymorphism system, SHACL validation, an R2RML processor with 100% standard conformance based an Jena's ARQ plus common tooling every R2RML project needs.

GitHub Action to create a knowledge graph from heterogeneous data sources using RML mappings and Morph-KGC

Inference and Meta Knowledge Benchmarking of OBDA Systems

An experiment in taking random rdf and getting an "optimized" sparql endpoint based on sql (duckdb)

A JSON Schema to let editors (e.g., VS Code) syntax-check YARRRML files

A friendly language for mappings to RDF

Online Mapping Editor