Skip to content

@ad-freiburg University of Freiburg: Algorithms and Data Structures Group

Change the repository type filter

All

    Repositories list

    72 repositories

    • sparql-engine-evaluation-tanmay

      Public
      Dockerfile
      •0•0•0•0•Updated Nov 7, 2025Nov 7, 2025

    • qlever

      Public
      Graph database implementing the RDF and SPARQL standards. Very fast and scales to hundreds of billions of triples on a single commodity machine.
      sparqlsemantic-search-enginequery-enginesparql-endpointstext-search
      C++
      •
      Apache License 2.0
      •97•693•160•93•Updated Nov 7, 2025Nov 7, 2025

    • osm-live-updates

      Public
      Update SPARQL endpoints with OpenStreetMap data (converted via osm2rdf) by processing OsmChange files
      updatersparqlopenstreetmaposmsparql-endpoints
      C++
      •
      GNU General Public License v3.0
      •1•0•0•1•Updated Nov 5, 2025Nov 5, 2025

    • sparqloscope

      Public
      Sparqloscope: A generic benchmark for the comprehensive and concise performance evaluation of SPARQL engines
      benchmarksparqlperformance-analysisperformance-testing
      Python
      •
      Apache License 2.0
      •0•3•0•5•Updated Nov 4, 2025Nov 4, 2025

    • grasp

      Public
      GRASP: Generic Reasoning and SPARQL generation across Knowledge Graphs
      Python
      •
      Apache License 2.0
      •4•7•2•0•Updated Nov 2, 2025Nov 2, 2025

    • 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++
      •1•5•0•1•Updated Oct 28, 2025Oct 28, 2025

    • util

      Public
      Small library of utility functions
      C++
      •0•0•0•0•Updated Oct 28, 2025Oct 28, 2025

    • 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-triplesturtlen-triples
      C++
      •
      GNU General Public License v3.0
      •9•34•6•5•Updated Oct 24, 2025Oct 24, 2025

    • scholia

      Public
      Wikidata-based scholarly profiles
      JavaScript
      •
      GNU General Public License v3.0
      •87•0•0•1•Updated Oct 20, 2025Oct 20, 2025

    • pfaedle

      Public
      Precise map-matching for public transit feeds. Generates high-quality GTFS shapes from OSM data.
      C++
      •
      GNU General Public License v3.0
      •33•257•10•2•Updated Oct 17, 2025Oct 17, 2025

    • cppgtfs

      Public
      C++
      •4•0•1•2•Updated Oct 17, 2025Oct 17, 2025

    • sparql-conformance-ui

      Public
      website to visualize the conformance results of the qlever engine.
      JavaScript
      •0•1•0•0•Updated Oct 14, 2025Oct 14, 2025

    • qlever-petrimaps

      Public
      C++
      •4•18•6•2•Updated Oct 8, 2025Oct 8, 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
      •126•0•0•0•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

    • ad-blog

      Public
      AD Blog Posts (currently: student project reports)
      HTML
      •40•0•1•7•Updated Aug 20, 2025Aug 20, 2025

    • sparql-conformance-uploader

      Public
      JavaScript
      •0•0•0•0•Updated Aug 19, 2025Aug 19, 2025

    • 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•1•Updated Jun 20, 2025Jun 20, 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•24•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

    • loom

      Public
      Software suite for the automated generation of geographically correct or schematic transit maps.
      C++
      •
      GNU General Public License v3.0
      •24•219•11•0•Updated Feb 13, 2025Feb 13, 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

    • anthropometric-measurements

      Public
      Web app for the intuitive analysis and visualization of detailed anthropometric measurements of 2208 women and 1774 men (from the 1988 US ANSUR study)
      JavaScript
      •
      Apache License 2.0
      •1•0•0•0•Updated Aug 1, 2024Aug 1, 2024

    • large-qa-datasets

      Public
      A collection of large question answering datasets
      44•421•0•1•Updated Jul 1, 2024Jul 1, 2024