Difference between revisions of "Wikidata"

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</source>
 
</source>
 
[https://query.wikidata.org/#%23%20WikiData%20SPARQL%20Query%0A%23%0A%23%20Wolfgang%20Fahl%202018-01-06%0A%23%0A%23%20get%20childen%20of%20queen%20victoria%0ASELECT%20%3Fchild%20%3FchildLabel%20%3FgenderLabel%20%3Fdob%0AWHERE%20%7B%0A%23%20%20%0A%23%20child%0A%23%20https%3A%2F%2Fwww.wikidata.org%2Fwiki%2FProperty%3AP40%0A%23%20Queen%20Victoriy%0A%23%20https%3A%2F%2Fwww.wikidata.org%2Fwiki%2FQ9439%0A%20%20wd%3AQ9439%20wdt%3AP40%2B%20%3Fchild.%0A%23%20gender%0A%23%20https%3A%2F%2Fwww.wikidata.org%2Fwiki%2FProperty%3AP21%0A%20%20%3Fchild%20wdt%3AP21%20%3Fgender.%0A%23%20date%20of%20birth%0A%23%20https%3A%2F%2Fwww.wikidata.org%2Fwiki%2FProperty%3AP569%20%20%20%20%20%20%20%20%20%0A%20%20%3Fchild%20wdt%3AP569%20%3Fdob%0A%20%20SERVICE%20wikibase%3Alabel%20%7B%20bd%3AserviceParam%20wikibase%3Alanguage%20%22en%22.%20%7D%0A%7D%0AORDER%20BY%20%3Fdob%0A try it!]
 
[https://query.wikidata.org/#%23%20WikiData%20SPARQL%20Query%0A%23%0A%23%20Wolfgang%20Fahl%202018-01-06%0A%23%0A%23%20get%20childen%20of%20queen%20victoria%0ASELECT%20%3Fchild%20%3FchildLabel%20%3FgenderLabel%20%3Fdob%0AWHERE%20%7B%0A%23%20%20%0A%23%20child%0A%23%20https%3A%2F%2Fwww.wikidata.org%2Fwiki%2FProperty%3AP40%0A%23%20Queen%20Victoriy%0A%23%20https%3A%2F%2Fwww.wikidata.org%2Fwiki%2FQ9439%0A%20%20wd%3AQ9439%20wdt%3AP40%2B%20%3Fchild.%0A%23%20gender%0A%23%20https%3A%2F%2Fwww.wikidata.org%2Fwiki%2FProperty%3AP21%0A%20%20%3Fchild%20wdt%3AP21%20%3Fgender.%0A%23%20date%20of%20birth%0A%23%20https%3A%2F%2Fwww.wikidata.org%2Fwiki%2FProperty%3AP569%20%20%20%20%20%20%20%20%20%0A%20%20%3Fchild%20wdt%3AP569%20%3Fdob%0A%20%20SERVICE%20wikibase%3Alabel%20%7B%20bd%3AserviceParam%20wikibase%3Alanguage%20%22en%22.%20%7D%0A%7D%0AORDER%20BY%20%3Fdob%0A try it!]
 +
== Regular Triple ==
 +
<graphviz>
 +
digraph Triple {
 +
  rankdir="LR"
 +
  subject -> predicate -> object
 +
}
 +
</graphviz>
 +
=== WikiData Example Queen Victoria's father ===
 +
<graphviz>
 +
digraph TripleExample {
 +
  rankdir="LR"
 +
  "QueenVictoria" -> "father" -> "Prince Edward Augustus"
 +
}
 +
</graphviz>
 +
 +
=== WikiData Example Queen Victoria's father (technically) ===
 +
<graphviz>
 +
digraph TripleWikiData {
 +
  Q9439  [ URL="http://www.wikidata.org/entity/Q9439" ]
 +
  Q9439 -> "Queen Victoria" [ label="label" ]
 +
  P22    [ URL="http://www.wikidata.org/property/P22" ]
 +
  P22 -> "father" [ label="label" ]
 +
  Q157009 [ URL="http://www.wikidata.org/entity/Q157009" ]
 +
  Q157009 -> "Prince Edward Augustus" [ label="label" ]
 +
  Q9439 -> P22 -> Q157009
 +
}
 +
</graphviz>
 +
 +
=== WikiData Example Queen Victoria's father (multiple languages) ===
 +
<graphviz>
 +
digraph TripleWikiDataMultiLanguage {
 +
  Q9439  [ URL="http://www.wikidata.org/entity/Q9439" ]
 +
  Q9439 -> "Queen Victoria" [ label="label_en" ]
 +
  Q9439 -> "Königin Victoria" [ label="label_de" ]
 +
  P22    [ URL="http://www.wikidata.org/property/P22" ]
 +
  P22 -> "father" [ label="label_en" ]
 +
  P22 -> "vater" [ label="label_de" ]
 +
  Q157009 [ URL="http://www.wikidata.org/entity/Q157009" ]
 +
  Q157009 -> "Prince Edward Augustus" [ label="label_en" ]
 +
  Q157009 -> "Prinz Edward August" [ label="label_de" ]
 +
  Q9439 -> P22 -> Q157009
 +
}
 +
</graphviz>
  
 
= Import =
 
= Import =

Revision as of 11:00, 19 January 2018

The Genesis of WikiData

The Genesis of WikiData

Links

Structure

https://www.mediawiki.org/wiki/Wikibase/DataModel/Primer

Wikibase JavaScript Data Model 1.0.svg https://upload.wikimedia.org/wikipedia/commons/c/c2/Wikibase_JavaScript_Data_Model_1.0.svg

Example

Æthelstan King of the English - 927-939

Position Held


Queen Victoria

Entity:Queen Victoria

Statements
PropertyId/name value
P18/image 250px-Queen_Victoria_by_Bassano.jpg
P569/date of birth 24 May 1819
P39/position held Q9134365/Monarch of the United Kingdom qualifiers -> start:20 June 1837, end:22 January 1901, replaced by:https://www.wikidata.org/wiki/Q20875
P570/date of death 22 January 1901
P20/place of death Osborne House
P21/sex or gender] Q6581072/female

Descendants of Queen Victoria

# WikiData SPARQL Query
#
# Wolfgang Fahl 2018-01-06
#
# get childen of queen victoria
SELECT ?child ?childLabel ?genderLabel ?dob
WHERE {
#  
# child
# https://www.wikidata.org/wiki/Property:P40
# Queen Victoria
# https://www.wikidata.org/wiki/Q9439
  wd:Q9439 wdt:P40+ ?child.
# gender
# https://www.wikidata.org/wiki/Property:P21
  ?child wdt:P21 ?gender.
# date of birth
# https://www.wikidata.org/wiki/Property:P569         
  ?child wdt:P569 ?dob
  SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
}
ORDER BY ?dob

try it!

Regular Triple

WikiData Example Queen Victoria's father

WikiData Example Queen Victoria's father (technically)

WikiData Example Queen Victoria's father (multiple languages)

Import

Tools

What Links Here