Property talk:P8768

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online catalog URL
URL of the website where an item's catalog can be browsed

Represents	online catalog (Q101191533)
Data type	URL
Allowed values	https?://[^<>\s]+
Example	Bibliothèque de l'Institut du monde arabe (Q100594626) → http://bima-catalogue.imarabe.org Bibliothèque Diderot (Q100594747) → http://rechercher.bibliotheque-diderot.fr Bibliothèque nationale de France (Q193563) → https://catalogue.bnf.fr
Tracking: usage	Category:Pages using Wikidata property P8768 (Q117439077)
See also	search formatter URL (P4354), official website (P856)
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 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/P8768 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 2,769 Main statement 2,755 99.5% of uses Qualifier 7 0.3% of uses Reference 7 0.3% of uses
Search for values

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Format “https?://[^<>\s]+”: 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/P8768#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/P8768#Entity types

Scope is as main value (Q54828448): 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/P8768#Scope, SPARQL

Required qualifier “language of work or name (P407)”: this property should be used with the listed qualifier. (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/P8768#mandatory qualifier, SPARQL