Property talk:P297
Documentation
identifier for a country in two-letter format per ISO 3166-1
List of violations of this constraint: Database reports/Constraint violations/P297#single best value, SPARQL
List of violations of this constraint: Database reports/Constraint violations/P297#Unique value, SPARQL (every item), SPARQL (by value)
List of violations of this constraint: Database reports/Constraint violations/P297#Item P30, search, SPARQL
List of violations of this constraint: Database reports/Constraint violations/P297#Item P31, search, SPARQL
List of violations of this constraint: Database reports/Constraint violations/P297#Item P31, search, SPARQL
List of violations of this constraint: Database reports/Constraint violations/P297#Item P78, search, SPARQL
List of violations of this constraint: Database reports/Constraint violations/P297#Item P901, search, SPARQL
List of violations of this constraint: Database reports/Constraint violations/P297#Item P31, search, SPARQL
List of violations of this constraint: Database reports/Constraint violations/P297#mandatory qualifier, SPARQL
List of violations of this constraint: Database reports/Constraint violations/P297#mandatory qualifier, SPARQL
List of violations of this constraint: Database reports/Constraint violations/P297#Entity types
List of violations of this constraint: Database reports/Constraint violations/P297#Scope, SPARQL
A given value should be used by just one value with best rank (normal rank without another statement in preferred rank or preferred rank) (Help)
Violations query:
SELECT DISTINCT ?item ?item2 ?value { ?item wdt:P297 ?value . ?item2 wdt:P297 ?value . FILTER( ?item != ?item2 && STR( ?item ) < STR( ?item2 ) ) . }
List of this constraint violations: Database reports/Complex constraint violations/P297#Distinct best value constraint
(Help)
Violations query:
SELECT DISTINCT ?item ?value { ?item p:P297 ?st. ?st ps:P297 ?value. ?st pq:P582 []. ?item wdt:P297 ?value. }
List of this constraint violations: Database reports/Complex constraint violations/P297#Statements with an end date shouldn't have best rank
External use
[edit]
This property is being used by:
Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.) |
Item requires statement constraints
[edit]This property has a lot of constraints which are not related to the ISO codes which were added back in the early days of Wikidata. I've removed some of the constraints which had a lot of constraint violations (they haven't been fixed in five years, so they can't be very useful constraints). Any reason why we shouldn't remove the others? - Nikki (talk) 14:20, 11 June 2018 (UTC)
- Maybe there is a more suitable property for them (one that is just used on sovereign states). The approach works fairly well for US states. See here. It also ensure that these don't disappear.
--- Jura 14:45, 11 June 2018 (UTC)
- It doesn't prevent them from disappearing, every single one of the constraints here has violations. I don't see any evidence that anyone actually cares about these constraints (nobody appears to have even noticed that the report has been completely broken for 6 weeks), so I'm going to go ahead and remove them. If someone is interested in tracking the completeness of items, it's easy to make a Listeria-based report. - Nikki (talk) 10:39, 11 August 2018 (UTC)
No value with preferred rank ?
[edit]If there is an end date on a value, should we also a "novalue" claim with preferred rank (and start date)? sample. Obviously, unless there is a new value that would have it.
--- Jura 14:45, 11 June 2018 (UTC)
- I added two samples illustrating no value claims (one for an existing entity: JT, another for one that no longer exists: AI). AI also illustrates that the same code was later reassigned. Preferred rank can only be seen on the actual items: Q1450765#P297, Q131008#P297. --- Jura 10:35, 23 September 2020 (UTC)
Kingdom of Denmark
[edit]Please see Wikidata:Project_chat#Identifiers_for_Kingdom_of_Denmark_(Q756617). --- Jura 09:57, 28 September 2020 (UTC)
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