Property talk:P7271

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Hiking Project area ID
identifier for an area on the Hiking Project website

Applicable "stated in" value	Hiking Project (Q65924432)
Data type	External identifier
Domain	geographic location (Q2221906) or national park (Q46169)
Allowed values	\d+
Example	Grand Îlet (Q3114858) → 8021141 Jeju (Q41164) → 8019417 Walnut Canyon National Monument (Q1934145) → 8006917
Source	https://www.hikingproject.com/
Formatter URL	https://www.hikingproject.com/directory/$1
See also	Hiking Project trail ID (P7116)
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/Constraint violations/P7271 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 146 Main statement 143 97.9% of uses Qualifier 3 2.1% of uses
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Type “geographic location (Q2221906), national park (Q46169)”: item must contain property “instance of (P31)” with classes “geographic location (Q2221906), national park (Q46169)” or their subclasses (defined using subclass of (P279)). (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/P7271#Type Q2221906, Q46169, SPARQL

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: Great Smoky Mountains National Park (Q464004)
List of violations of this constraint: Database reports/Constraint violations/P7271#Single value, 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/P7271#Unique value, SPARQL (every item), SPARQL (by value)

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/P7271#Format, 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/P7271#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/P7271#Scope, SPARQL