Practical Technology Showcase Summary 2022-02-11 — Linked Open Data Cloud (LOD Cloud)
Knowledge Graphs, Linked Data, and Data Connectivity related posts and live demonstrations.
Linked Open Data Cloud (LOD Cloud) — The largest publicly accessible Knowledge Graph on Earth!
OpenLink Virtuoso is the dominant Linked Data deployment platform, chosen by more than 75% of the nodes that constitute the world’s largest publicly accessible Knowledge Graph known as the Linked Open Data Cloud (or “LOD Cloud”). Learn more about the LOD Cloud, and why it is important...
A while ago we published a Google Spreadsheet that contains a list of SPARQL endpoints. The goal is to produce an up-to-date, crowd-sourced list of SPARQL query service endpoints that underlie the massive LOD Cloud Knowledge Graph.
Please feel free to contribute any endpoints not on the list! More…
Use Case examples of query service endpoints:
Explore and exploit the LOD Cloud via OpenLink Virtuoso SPARQL endpoints:
DBpedia — an invaluable component of the LOD Cloud, typically reflects changes to Wikipedia within a month or two
DBpediaLive — typically reflects changes to Wikipedia within hours or days
URIBurner — a crowd-fed RDF repository built by the Virtuoso Sponger’s extraction from and conversion of data in publicly accessible resources on the World Wide Web
Wikidata — a mirror of the primary Wikidata dataset, hosted in Virtuoso, and available for live query by the general public
Pick of the week — DataTwingler Knowledge Graph nuggets:
How to trigger the Super Links feature of OpenLink Structured Data Sniffer
U.S. technology companies founded by 1st and 2nd generation immigrants
Related Apps & Services
OpenLink Structured Data Sniffer (OSDS) — A browser extension…
…for Chrome and other Browsers that support the Web Extensions open standard, including Chromium-based, Opera, Brave, Vivaldi, and others
…for Firefox-based Browsers
Twingler — A Smart Agent solution for transforming threaded content into Knowledge Graph nuggets, for easy reuse and recall.
URIBurner — A Free and Publicly Accessible Linked Data Transformation Service and Knowledge Graph Management Service
Virtuoso — Multi-Model DBMS & Middleware Platform