Property talk:P4904

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Tropicos publication ID
identifier for a journal or other publication in Tropicos

Applicable "stated in" value	Tropicos (Q2578548)
Has quality	numeric identifier (Q93868746)
Data type	External identifier
Allowed values	[1-9]\d*
Example	University of California Publications in Botany (Q2883120) → 1087 Acta Botanica Brasilica (Q343146) → 1225 Blumea (Q1086260) → 549
Source	http://www.tropicos.org/ReferenceSearch.aspx
Formatter URL	http://legacy.tropicos.org/Publication/$1
Tracking: usage	Category:Pages using Wikidata property P4904 (Q55918535)
See also	Tropicos ID (P960), Taxonomic Literature 2 number (P5878), Textile Connect publication ID (P7110), Tropicos person ID (P12807)
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/P4904 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 2,221 Main statement 2,205 99.3% of uses Qualifier 3 0.1% of uses Reference 13 0.6% 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/P4904#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/P4904#Unique value, SPARQL (every item), SPARQL (by value)

Format “[1-9]\d*”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P4904#Format, hourly updated report, SPARQL

Item “instance of (P31)”: Items with this property should also have “instance of (P31)”. (Help)

List of violations of this constraint: Database reports/Constraint violations/P4904#Item P31, hourly updated report, search, SPARQL

Item “language of work or name (P407)”: Items with this property should also have “language of work or name (P407)”. (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/P4904#Item P407, search, SPARQL

Item “title (P1476)”: Items with this property should also have “title (P1476)”. (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/P4904#Item P1476, 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/P4904#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/P4904#Scope, SPARQL