Graph Statistics

Revision as of 12:35, 27 November 2023 by Leonie (talk | contribs) (→‎ItemCount: minus students)

A page to help show the structure of the graph using metrics and statistics. For similar pages reference:

Simple Metrics

ItemCount

Gives a count of all items in the Wikibase-instance. Items used: Student (Q167)

Properties used: instance of (P3)

#defaultView:Table
PREFIX wd:  <https://graphit.ur.de/entity>
PREFIX wdt: <https://graphit.ur.de/prop/direct/>
SELECT (COUNT(*) as ?items) 
WHERE {
  # items that have 0+ statements
  ?item wikibase:statements ?s.
  MINUS{ ?item a wikibase:Property } # Filter out properties
  MINUS{ ?item wdt:P3 wd:Q167 } # Filter out students
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
} LIMIT 25

Try it!


Make inline

PropertyCount

Gives a count of all properties in the Wikibase-instance



#defaultView:Table
PREFIX wd:  <https://graphit.ur.de/entity>
PREFIX wdt: <https://graphit.ur.de/prop/direct/>
SELECT (COUNT(*) as ?property) 
WHERE {
  ?property a wikibase:Property.
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
} LIMIT 28

Try it!


Make inline