The category tree, with its Wikipedia pages

SELECT ?child ?childName ?parentName ?wikipedia ?depth WH…
  ?child epfl:broader ?parent ;
         epfl:name ?childName .
  ?parent epfl:name ?parentName .
  OPTIONAL { ?child epfl:referencePageUrl ?wikipedia }
  OPTIONAL { ?child epfl:depth ?depth }

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caviri.github.io/rete

Run this query in the playground → no server, no download — the query runs in your browser.

The query

PREFIX epfl: <https://w3id.org/rete/epflgraph#> SELECT ?child ?childName ?parentName ?wikipedia ?depth WHERE { ?child epfl:broader ?parent ; epfl:name ?childName . ?parent epfl:name ?parentName . OPTIONAL { ?child epfl:referencePageUrl ?wikipedia } OPTIONAL { ?child epfl:depth ?depth } } LIMIT 25

rete playground · documentation · github.com/caviri/rete