Repositories list

• qlever

  Public
  Graph database implementing the RDF and SPARQL standards. Very fast and scales to more than a trillion triples on a single commodity machine

  sparqlsemantic-search-enginequery-engine+ 2sparql-endpointstext-search

  C++

  •

  Apache License 2.0

  •107•735•184•99•Updated Jan 14, 2026Jan 14, 2026

• ortler

  Public
  Powerful and versatile command-line tool for managing OpenReview venues

  Python

  •

  Apache License 2.0

  •0•1•0•0•Updated Jan 14, 2026Jan 14, 2026

• dicom2rdf

  Public
  Convert millions of DICOM SR documents to RDF Turtle using the embedded coded concepts.

  sparqlrdfdicom+ 5knowledge-graphradiologydicom-structured-reportqleverdicom-sr

  Rust

  •

  Apache License 2.0

  •0•0•0•0•Updated Jan 13, 2026Jan 13, 2026

• scholia

  Public
  Wikidata-based scholarly profiles

  JavaScript

  •

  GNU General Public License v3.0

  •89•2•19•1•Updated Jan 10, 2026Jan 10, 2026

• grasp

  Public
  GRASP: Generic Reasoning and SPARQL generation across Knowledge Graphs

  Python

  •

  Apache License 2.0

  •4•12•0•0•Updated Jan 9, 2026Jan 9, 2026

• pfaedle

  Public
  Precise map-matching for public transit feeds. Generates high-quality GTFS shapes from OSM data.

  C++

  •

  GNU General Public License v3.0

  •36•263•9•2•Updated Jan 9, 2026Jan 9, 2026

• util

  Public
  Small library of utility functions

  C++

  •1•0•0•0•Updated Jan 9, 2026Jan 9, 2026

• osm2rdf

  Public
  Convert OpenStreetMap (OSM) data to RDF Turtle, including the object geometries and all their DE-9IM spatial relations. Weekly updated dumps for the whole planet (~ 200 billion triples) and for each country.

  openstreetmaposmrdf-triples+ 2turtlen-triples

  C++

  •

  GNU General Public License v3.0

  •9•36•7•6•Updated Jan 9, 2026Jan 9, 2026

• spatialjoin

  Public
  Compute spatial self-joins (on intersects, contains, covers, touches, crosses, overlaps, equals) on large collections of WKT geometries. Can handle the complete OSM data as input.

  C++

  •2•5•0•2•Updated Jan 9, 2026Jan 9, 2026

• sparql-conformance

  Public
  SPARQL test suite (https://www.w3.org/2009/sparql/docs/tests/) for QLEVER (https://github.com/ad-freiburg/qlever)

  Python

  •4•2•6•0•Updated Dec 14, 2025Dec 14, 2025

• sparql-conformance-ui

  Public
  website to visualize the conformance results of the qlever engine.

  JavaScript

  •0•1•0•0•Updated Dec 3, 2025Dec 3, 2025

• sparql-conformance-uploader

  Public
  JavaScript

  •0•0•0•0•Updated Dec 1, 2025Dec 1, 2025

• loom

  Public
  Software suite for the automated generation of geographically correct or schematic transit maps.

  C++

  •

  GNU General Public License v3.0

  •25•241•10•0•Updated Dec 1, 2025Dec 1, 2025

• ad-blog

  Public
  AD Blog Posts (currently: student project reports)

  HTML

  •41•0•1•6•Updated Nov 26, 2025Nov 26, 2025

• osm-live-updates

  Public
  Update SPARQL endpoints with OpenStreetMap data (converted via osm2rdf) by processing OsmChange files

  updatersparqlopenstreetmap+ 2osmsparql-endpoints

  C++

  •

  GNU General Public License v3.0

  •1•0•0•1•Updated Nov 17, 2025Nov 17, 2025

• sparql-engine-evaluation-tanmay

  Public
  Dockerfile

  •0•0•0•0•Updated Nov 10, 2025Nov 10, 2025

• qlever-petrimaps

  Public
  C++

  •5•19•6•2•Updated Nov 9, 2025Nov 9, 2025

• sparqloscope

  Public
  Sparqloscope: A generic benchmark for the comprehensive and concise performance evaluation of SPARQL engines

  benchmarksparqlperformance-analysis+ 1performance-testing

  Python

  •

  Apache License 2.0

  •0•5•0•5•Updated Nov 4, 2025Nov 4, 2025

• cppgtfs

  Public
  C++

  •4•0•1•2•Updated Oct 17, 2025Oct 17, 2025

• wikidata-query-gui

  Public
  Fork of https://gitlab.wikimedia.org/repos/wmde/wikidata-query-gui

  JavaScript

  •

  Apache License 2.0

  •0•0•0•1•Updated Sep 22, 2025Sep 22, 2025

• libosmium

  Public
  Fast and flexible C++ library for working with OpenStreetMap data.

  C++

  •

  Boost Software License 1.0

  •128•0•0•1•Updated Aug 24, 2025Aug 24, 2025

• whitespace-correction

  Public
  Fast whitespace correction with Transformers

  Python

  •

  Apache License 2.0

  •0•17•0•0•Updated Aug 22, 2025Aug 22, 2025

• text-utils

  Public
  Text utilities for Deep NLP

  Rust

  •

  Apache License 2.0

  •1•5•0•0•Updated Aug 22, 2025Aug 22, 2025

• sqlite-vs-qlever

  Public
  Makefile

  •1•0•0•0•Updated May 16, 2025May 16, 2025

• wiki-entity-linker

  Public
  JavaScript

  •

  Apache License 2.0

  •0•3•0•0•Updated Apr 14, 2025Apr 14, 2025

• elevant

  Public
  Entity linking evaluation and analysis tool

  entity-linkingevaluation-frameworkentity-disambiguation

  Python

  •

  Apache License 2.0

  •1•25•1•0•Updated Apr 14, 2025Apr 14, 2025

• natural-entity-types

  Public
  Methods for determining the most natural type of a Wikidata entity

  Python

  •0•1•0•0•Updated Apr 14, 2025Apr 14, 2025

• ad-blog-theme

  Public
  Theme for the AD Blog

  HTML

  •

  MIT License

  •2•0•0•0•Updated Jan 23, 2025Jan 23, 2025

• WEXEA

  Public
  Wikipedia EXhaustive Entity Annotator (LREC 2020)

  Python

  •

  Apache License 2.0

  •1•0•0•0•Updated Nov 19, 2024Nov 19, 2024

• aqqu-frontend

  Public
  An easy to use frontend for Aqqu

  JavaScript

  •

  Apache License 2.0

  •0•2•1•1•Updated Oct 28, 2024Oct 28, 2024