Help:P9905

Help page for relevant date for copyright (P9905) . This help page will be included in Property talk:P9905. Please be careful editing it not to break the included page.

This property is used as a qualifier on a copyright status (P6216) statement to show the date used to determine the copyright status by the determination method (P459) qualifier.

Note that this means the statement should have both relevant date for copyright (P9905) and copyright status (P6216) to be complete.

Which dates to use depends on copyright status (P6216) and is often one of:

• Publication published more than 95 years ago (Q47246828), etc.
• Creation (when work not published): 120 years after creation of unpublished work by an author whose year of death is not known (Q29940870)
• Last author's death date: 70 years or more after author(s) death (Q29870196), etc.

Other qualifiers

Usually, this property is used along with all the following other properties qualifying the same items:

• determination method (P459)
• applies to jurisdiction (P1001)
• public domain date (P3893)

The following query shows items where relevant date for copyright (P9905) is used, but at least one of determination method (P459), applies to jurisdiction (P1001) or public domain date (P3893) is not given:

# Editions with a copyright status that has a relevant date but not a determination method or other qualifiers
SELECT DISTINCT ?work ?workLabel ?statusLabel ?methodLabel ?whereLabel ?relevantDate ?pdDate WHERE {
  ?work wdt:P31/wdt:P279* wd:Q3331189 .
  hint:Prior hint:gearing "forward".

  ?work p:P6216 ?statusStatement .
  ?work wdt:P6216 ?status .
  ?statusStatement pq:P9905 ?relevantDate.
  OPTIONAL {
    ?statusStatement pq:P459 ?method .
  }
  OPTIONAL {
    ?statusStatement pq:P1001 ?where .
  }
  OPTIONAL {
    ?statusStatement pq:P3893 ?pdDate.
  }
  MINUS {
    ?statusStatement pq:P459 ?where .
    ?statusStatement pq:P1001 ?method .
    ?statusStatement pq:P3893 ?pdDate .
  }
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
}

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No value

You can set no value when the determination method doesn't depend on any date:

# Items where a "relevant copyright date" qualifier (P9905) of a "copyright status" (P6216) claim is set to "no value"
SELECT DISTINCT ?work ?statusLabel ?workLabel WHERE {

  ?work p:P6216 [
     a wdno:P9905
  ].
  ?work wdt:P6216 ?status .
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
}

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