Property talk:P2903

Documentation

• Start a query
• Current uses
• Statistics by class
• String length
• List of qualifiers
• Count

Molendatabase verdwenen molens ID
identifier of former/disappeared mills in the Netherlands at the Molendatabase verdwenen molens

Applicable "stated in" value	no label (Q24844844)
Data type	External identifier
Template parameter	nl:Sjabloon:Infobox molen: "molendatabase-nl-verdwenen" - Template:Infobox windmill (Q13383928)
Domain	According to this template: mill (Q44494) According to statements in the property: mill (Q44494) When possible, data should only be stored as statements
Allowed values	\d+
Example	't Soepuus (Q2236961) → 4650 Akermolen (Q1825312) → 432
Source	http://www.molendatabase.org/molendb.php
Formatter URL	http://www.molendatabase.org/molendb.php?step=details&nummer=$1
Robot and gadget jobs	Can be imported by "Harvest templates" gadget
Related to country	Netherlands (Q55) (See 106 others)
See also	Hollandsche Molen ID (P2866), Nederlandse Molendatabase ID (P2863), Ten-Bruggencatenummer (P7789)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other external identifier Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Database reports/Complex constraint violations/P2903 Database reports/Constraint violations/P2903 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 364 Main statement 362 99.5% of uses Qualifier 2 0.5% of uses
Search for values

[create Create a translatable help page (preferably in English) for this property to be included here]

Type “mill (Q44494)”: item must contain property “instance of (P31)” with classes “mill (Q44494)” or their subclasses (defined using subclass of (P279)). (Help)

List of violations of this constraint: Database reports/Constraint violations/P2903#Type Q44494, hourly updated report, SPARQL

Format “\d+”: value must be formatted using this pattern (PCRE syntax). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2903#Format, SPARQL

Distinct values: this property likely contains a value that is different from all other items. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2903#Unique value, SPARQL (every item), SPARQL (by value)

Single value: this property generally contains a single value. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303). Known exceptions: Watermolen van Oerle (Q3271862)
List of violations of this constraint: Database reports/Constraint violations/P2903#Single value, SPARQL

Item “country (P17): Netherlands (Q55)”: Items with this property should also have “country (P17): Netherlands (Q55)”. (Help)

List of violations of this constraint: Database reports/Constraint violations/P2903#Item P17, hourly updated report, search, SPARQL

Item “located in the administrative territorial entity (P131)”: Items with this property should also have “located in the administrative territorial entity (P131)”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2903#Item P131, search, SPARQL

Item “coordinate location (P625)”: Items with this property should also have “coordinate location (P625)”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2903#Item P625, SPARQL

Item “Ten-Bruggencatenummer (P7789)”: Items with this property should also have “Ten-Bruggencatenummer (P7789)”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2903#Item P7789, search, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2903#Entity types

Scope is as main value (Q54828448), as reference (Q54828450): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2903#Scope, SPARQL

Item “source of energy (P618)”: Items with this property should also have “source of energy (P618)”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2903#Item P618, search, SPARQL

Item “has use (P366)”: Items with this property should also have “has use (P366)”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2903#Item P366, search, SPARQL

Item “dissolved, abolished or demolished date (P576)”: Items with this property should also have “dissolved, abolished or demolished date (P576)”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2903#Item P576, SPARQL

Label required in languages: nl: Entities using this property should have labels in one of the following languages: nl (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2903#Label in 'nl' language, search, SPARQL

Label required in languages: en: Entities using this property should have labels in one of the following languages: en (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2903#Label in 'en' language, search, SPARQL

Mill in the Netherlands without a link to any of the mill databases.
instance of (P31) -> mill (Q44494) (or subclasses) and country (P17) -> Netherlands (Q55), but not Nederlandse Molendatabase ID (P2863), Hollandsche Molen ID (P2866) or Molendatabase verdwenen molens ID (P2903). (Help)
Violations query: SELECT DISTINCT ?item { ?item wdt:P31/wdt:P279* wd:Q44494 . ?item wdt:P17 wd:Q55 . MINUS { ?item wdt:P2863 [] } . MINUS { ?item wdt:P2866 [] } . MINUS { ?item wdt:P2903 [] } . }
List of this constraint violations: Database reports/Complex constraint violations/P2903#Mill in the Netherlands without a link to any of the mill databases.