Repositories list

• qlever

  Public
  Very fast SPARQL Engine, which can handle very large knowledge graphs like the complete Wikidata, offers context-sensitive autocompletion for SPARQL queries, and allows combination with text search. It's faster than engines like Blazegraph or Virtuoso, especially for queries involving large result sets.

  semantic-search-enginequery-enginesparql-endpoints+ 2text-searchsparql

  C++

  •

  Apache License 2.0

  •75•558•109•67•Updated May 13, 2025May 13, 2025

• sparqloscope

  Public
  Python

  •

  Apache License 2.0

  •0•1•0•2•Updated May 13, 2025May 13, 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•0•Updated May 13, 2025May 13, 2025

• qlever-control

  Public
  Python

  •

  Apache License 2.0

  •21•42•34•16•Updated May 13, 2025May 13, 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

  •31•231•11•2•Updated May 12, 2025May 12, 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++

  •0•3•0•2•Updated May 8, 2025May 8, 2025

• qlever-ui

  Public
  A user interface for QLever

  JavaScript

  •

  Apache License 2.0

  •18•35•41•8•Updated May 3, 2025May 3, 2025

• sparql-conformance

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

  Python

  •2•1•4•0•Updated Apr 25, 2025Apr 25, 2025

• ad-blog

  Public
  AD Blog Posts (currently: student project reports)

  HTML

  •38•0•1•5•Updated Apr 17, 2025Apr 17, 2025

• qlever-petrimaps

  Public
  C++

  •3•15•4•2•Updated Apr 17, 2025Apr 17, 2025

• osm2rdf

  Public
  Convert OpenStreetMap (OSM) data to RDF Turtle, including the object geometries and predicates ogc:sfContains, ogc:sfCovers, ogc:sfIntersects, ogc:sfTouches, ogc:sfCrosses, ogc:sfEquals, and ogc:sfOverlaps. Weekly updated downloads for the whole planet (~ 80 billion triples) and per country.

  openstreetmaposmrdf-triples+ 2turtlen-triples

  C++

  •

  GNU General Public License v3.0

  •8•25•11•6•Updated Apr 16, 2025Apr 16, 2025

• wiki-entity-linker

  Public
  JavaScript

  •

  Apache License 2.0

  •0•2•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•23•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

• util

  Public
  Small library of utility functions

  C++

  •0•0•0•0•Updated Mar 28, 2025Mar 28, 2025

• text-utils

  Public
  Text utilities for Deep NLP

  Rust

  •

  Apache License 2.0

  •1•5•1•0•Updated Mar 6, 2025Mar 6, 2025

• loom

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

  C++

  •

  GNU General Public License v3.0

  •20•174•10•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

• cppgtfs

  Public
  C++

  •2•0•0•1•Updated Oct 17, 2024Oct 17, 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

  38•383•0•0•Updated Jul 1, 2024Jul 1, 2024

• winerli-2.0-final

  Public
  Rule-based entity recognition/linking based on a previous project/thesis

  Python

  •0•0•0•0•Updated Jun 22, 2024Jun 22, 2024

• whitespace-correction

  Public
  Fast whitespace correction with Transformers

  Python

  •

  Apache License 2.0

  •0•16•0•0•Updated Apr 25, 2024Apr 25, 2024

• completesearch

  Public
  Search engine for semi-structured data (text and structured data) that provides all kinds of intelligent search features (keyword search, autocompletion, faceted search, error-tolerant search, synonym search, semantic search) very efficiently also on very large data.

  large-scalesearch-engineautocompletion

  C++

  •6•23•2•1•Updated Feb 19, 2024Feb 19, 2024

• statsimi

  Public
  station similarity classification. Classification backend for http://staty.cs.uni-freiburg.de

  Python

  •

  GNU General Public License v3.0

  •2•10•3•1•Updated Feb 1, 2024Feb 1, 2024

• stxxl

  Public
  STXXL: Standard Template Library for Extra Large Data Sets

  C++

  •

  Boost Software License 1.0

  •95•1•0•2•Updated Jan 24, 2024Jan 24, 2024

• foxxll

  Public
  FOundation of stXXl and thriLL

  C++

  •

  Boost Software License 1.0

  •8•0•0•0•Updated Jan 24, 2024Jan 24, 2024

• entity-linking-annotation-guidelines

  Public
  A comprehensive collection of guidelines for annotating entity linking benchmarks.

  0•1•0•0•Updated Jan 19, 2024Jan 19, 2024