123,000+This user has made over 123,000 contributions to Wikidata.
This user runs a bot, RfcBot (contribs).
This user is a member of
WikiProject Australia.
This user is a member of
WikiProject Informatics.
This user is a member of
WikiProject Properties
.
This user is a member of WikiProject COVID19.
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This user loves OpenRefine.
Wikibase CLI screenshotThis user reads and edits Wikidata from the command line using wikibase-cli.
This user has an advanced understanding of the Pywikibot software library.
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en-N This user has a native understanding of English.
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Contact details edit

E-mail: david@hicks.id.au

Projects edit

I have interests in the following projects:

Bots edit

I look after and run the following bots:

Example queries edit

List RFC standards whose titles contain "SMTP", displaying their main subjects edit

The following query uses these:

  • Properties: instance of (P31)     , title (P1476)     , main subject (P921)     , RfC ID (P892)     
    SELECT ?RfC_ID ?Request_for_Comments ?Request_for_CommentsLabel ?main_subject ?main_subjectLabel ?RfC_IDLabel WHERE {
      SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
      ?Request_for_Comments wdt:P31 wd:Q212971.
      ?Request_for_Comments wdt:P1476 ?title.
      OPTIONAL { ?Request_for_Comments wdt:P921 ?main_subject. }
      OPTIONAL { ?Request_for_Comments wdt:P892 ?RfC_ID. }
      FILTER regex(str(?title), "SMTP")
    }
    ORDER BY ?RfC_ID
    

Equations used to calculate qualities of investment strategies edit

The following query uses these: