Property talk:P9928

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Baijiahao ID
numeric ID of website page to baijiahao

Associated item	Baidu (Q14772)
Data type	External identifier
Domain	human (Q5), organization (Q43229), work (Q386724), occurrence (Q1190554), media (Q340169), online community (Q6576792), robot (Q11012), position (Q4164871) or community (Q177634)
Allowed values	\d+
Example	China Central Television (Q207936) → 1570168240515616 Guancha (Q17500632) → 1546608532556400 The Paper (Q17499997) → 1574072008111128
Formatter URL	https://author.baidu.com/home?&app_id=$1 https://author.baidu.com/home/$1
Related to country	People's Republic of China (Q148) (See 127 others)
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) Map of people by place values: place of birth educated at work location residence place of death place of burial January 1st dates People with date of birth on January 1 People with date of death on January 1 People with both dates on January 1 Database reports/Constraint violations/P9928 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 14 Main statement 11 78.6% of uses Qualifier 3 21.4% of uses
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Type “human (Q5), organization (Q43229), work (Q386724), occurrence (Q1190554), media (Q340169), online community (Q6576792), robot (Q11012), position (Q4164871), community (Q177634)”: item must contain property “instance of (P31)” with classes “human (Q5), organization (Q43229), work (Q386724), occurrence (Q1190554), media (Q340169), online community (Q6576792), robot (Q11012), position (Q4164871), community (Q177634)” 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/P9928#Type Q5, Q43229, Q386724, Q1190554, Q340169, Q6576792, Q11012, Q4164871, Q177634, 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/P9928#Entity types

Scope is as main value (Q54828448), as qualifier (Q54828449): 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/P9928#Scope, 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/P9928#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/P9928#Format, SPARQL

Label required in languages: zh: Entities using this property should have labels in one of the following languages: zh (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/P9928#Label in 'zh' language, search, SPARQL