Property talk:P7901

Documentation

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

Encyclopedia of Chicago ID
identifier for an article in the Encyclopedia of Chicago

Applicable "stated in" value	Encyclopedia of Chicago (Q5375690)
Data type	External identifier
Allowed values	[1-9]\d+
Example	Art Institute of Chicago (Q239303) → 79 Al Capone (Q80048) → 2214 World War I (Q361) → 1383
Source	http://www.encyclopedia.chicagohistory.org/
Formatter URL	http://www.encyclopedia.chicagohistory.org/pages/$1.html
Tracking: usage	Category:Pages using Wikidata property P7901 (Q86513520)
Related to country	United States of America (Q30) (See 769 others) (Chicago (Q1297))
See also	Encyclopedia of Cleveland History ID (P7644)
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 Mix'n'match (Report) Database reports/Constraint violations/P7901 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 661 Main statement 635 96.1% of uses Qualifier 3 0.5% of uses Reference 23 3.5% of uses
Search for values

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

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

List of violations of this constraint: Database reports/Constraint violations/P7901#Unique value, hourly updated report, 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).
List of violations of this constraint: Database reports/Constraint violations/P7901#Single value, SPARQL

Format “[1-9]\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). Known exceptions: Chicago metropolitan area (Q1754965)
List of violations of this constraint: Database reports/Constraint violations/P7901#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/P7901#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/P7901#Scope, SPARQL