Property talk:P8925

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CQVIP article ID
identifier of an article in CQVIP

Associated item	cqvip.com (Q109342432)
Applicable "stated in" value	cqvip.com (Q109342432)
Has quality	numeric identifier (Q93868746)
Data type	External identifier
Domain	written work (Q47461344)
Allowed values	[1-9]\d*
Example	A NEW SPECIES OF CYCLOPHORIDAE FROM GUIZHOU PROVINCE, CHINA (PROSOBRANCHIA, MESOGASTROPODA, CYCLOPHORIDAE) (Q98837082) → 11847868 no label (Q47261693) → 662209641
Source	https://qikan.cqvip.com/
Formatter URL	https://qikan.cqvip.com/Qikan/Article/Detail?id=$1
Related to country	People's Republic of China (Q148) (See 127 others)
See also	CNKI CJFD journal article ID (P6769), Baidu Scholar paper ID (P10755)
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/P8925 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 319 Main statement 312 out of 74,324,189 (0% complete) 97.8% of uses Qualifier 2 0.6% of uses Reference 5 1.6% of uses
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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/P8925#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/P8925#Unique value, SPARQL (every item), SPARQL (by value)

Type “written work (Q47461344)”: item must contain property “instance of (P31)” with classes “written work (Q47461344)” 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/P8925#Type Q47461344, 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/P8925#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/P8925#Scope, 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).
List of violations of this constraint: Database reports/Constraint violations/P8925#Format, SPARQL