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virtual-knowledge-graph

Here are 8 public repositories matching this topic...

ontop / ontop

Ontop is a platform to query relational databases as Virtual RDF Knowledge Graphs using SPARQL

java sparql owl ontop r2rml obda virtual-knowledge-graph vkg

Updated Jul 13, 2026
Java

arenas-guerrero-julian / ITT

ITT: A general architecture for virtual knowledge graphs

sparql rdf r2rml rml virtual-knowledge-graph vkg

Updated Feb 27, 2025
Python

ontopic-vkg / ontop-trino-iceberg-playground

Query a Virtual Knowledge Graph over Iceberg in Trino, Nessie as Catalog, and use minio to replace AWS S3

rdf knowledge-graph ontop apache-iceberg virtual-knowledge-graph nessie

Updated Mar 25, 2025
Shell

vemonet / stardog-demo

🐕‍🦺💫 Use a Stardog triplestore to create Virtual Knowledge Graphs

sql sparql postgresql triplestore stardog virtual-knowledge-graph

Updated Oct 6, 2023
Shell

noi-techpark / opendatahub-kg-sparql

The Virtual Knowledge Graph of the Open Data Hub

sparql postgresql semantic-web knowledge-graph ontop virtual-knowledge-graph open-data-hub

Updated Apr 28, 2026
PLpgSQL

lias-laboratory / retailkgintegration

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

sparql semantic-web owl knowledge-graph data-integration r2rml r2rml-mapping virtual-knowledge-graph

Updated Feb 27, 2024
Python

NFDI4BIOIMAGE / omero-kg-benchmark

Repository for subproject P4 "Endpoint Drafting and Testing", part of project "Increasing interoperability of bioimage dataset resources"at the 2024 deNBI BioHackathon

benchmarking rdf omero sparql-query sparql-endpoints bioimaging virtual-knowledge-graph

Updated Feb 3, 2025
Jupyter Notebook

adamdoneo / cng-vkg-integration

Compares VKG approach against PostgreSQL + REST API for cloud-native geospatial data integration. Federates Sentinel-2 COGs (raster) and Overture Maps GeoParquet (vector) via DuckDB FDW, PostGIS, and PL/Python. Evaluates two raster integration strategies, and SPARQL (Ontop VKG) vs REST API (pg_featureserv) trade-offs. Fully Dockerised.

Updated Aug 17, 2026
PLpgSQL

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