Property talk:P34

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exact match
(URLs only) used to link two items, indicating a high degree of confidence that the concepts can be used interchangeably

Data type	URL
Allowed values	https?://.+
See also	equivalent class (P199), catalog code (P351), official website (P19), equivalent property (P169)
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 Gratispaideia Items with the fewest sitelinks Most linked wikis Items with the most identifier properties 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)> Map Random list
Proposal discussion	Originally created without a formal discussion
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Distinct values: this property likely contains a value that is different from all other items. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P34#Unique value, SPARQL (every item), SPARQL (by value)

Format “https?://.+”: value must be formatted using this pattern (PCRE syntax). List of this constraint violations: Database reports/Constraint violations/P34#Format, hourly updated report, SPARQL

Scope is as main value (Q793): the property must be used by specified way only Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P34#scope, SPARQL

Qualifiers “language of work or name (P35)”: this property should be used only with the listed qualifiers. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P34#Allowed qualifiers, SPARQL

Allowed entity types are Wikibase property datatype (Q784), Wikibase item datatype (Q799): the property may only be used on a certain entity type Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P34#allowed entity types