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Property talk:P7782 - Wikidata
Property talk
:
P7782
From Wikidata
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Current uses
Statistics by class
List of values
List of qualifiers
Count
category for ship name
Commons category for a name of a ship
Represents
ship name
(Q56351075)
,
Commons category
(Q24574745)
Data type
Item
Domain
According to this template: item
According to statements in the property:
watercraft
(Q1229765)
When possible, data should only be stored as statements
Usage notes
Use this property to link to Wikidata items that are specific about ship names, primarily those that have a Commons category for the ship name. The IMO category on Commons goes with the main item, then the subcategories for ship names go with items linked to through this property. It is bot-maintained (via Pi bot), manual changes to sitelinks may cause confusion.
Example
Queen
(Q63676401)
→
Category:Mississippi Queen (ship, 1987)
(Q63648354)
RMS Queen Elizabeth
(Q533218)
→
Category:Queen Elizabeth (ship, 1940)
(Q81142744)
Category:Seawise University (ship, 1940)
(Q81142824)
Tracking: usage
Category:Pages using Wikidata property P7782
(Q126375240)
See also
category for the interior of the item
(P7561)
,
topic's main category
(P910)
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
By value of property
Most statements
Fewest statements
Most sitelinks
Most linked wikis
Most identifiers
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/P7782
Map
Random list
Proposal discussion
Proposal discussion
Current uses
Total
35,562
Main statement
35,558
>99.9% of uses
Qualifier
4
<0.1% of uses
Search for values
[
create
Create a translatable help page (preferably in English) for this property to be included here
]
Value type “
Wikimedia category
(Q4167836)
”
: This property should use items as value that contain property “
instance of
(P31)
”. On these, the value for
instance of
(P31)
should be an item that uses
subclass of
(P279)
with value
Wikimedia category
(Q4167836)
(or a subclass thereof). (
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/P7782#Value type Q4167836
,
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/P7782#Unique value
,
SPARQL (every item)
,
SPARQL (by value)
Inverse property of “
category combines topics
(P971)
”
:
if [item A] has this property (
category for ship name
(P7782)
) linked to [item B],
then [item B] should also have property “
category combines topics
(P971)
” linked to [item A]. (
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/P7782#inverse
,
SPARQL
Property “
instance of
(P31)
:
Wikimedia category
(Q4167836)
” declared by target items of “category for ship name
(P7782)
”
: If [item A] has this property with value [item B], [item B] is required to have property “
instance of
(P31)
:
Wikimedia category
(Q4167836)
”. (
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/P7782#Target required claim P31
,
SPARQL
Property “
category combines topics
(P971)
:
ship name
(Q56351075)
” declared by target items of “category for ship name
(P7782)
”
: If [item A] has this property with value [item B], [item B] is required to have property “
category combines topics
(P971)
:
ship name
(Q56351075)
”. (
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/P7782#Target required claim P971
,
SPARQL
Type “
watercraft
(Q1229765)
”
: item must contain property “
instance of
(P31)
” with classes “
watercraft
(Q1229765)
” 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/P7782#Type Q1229765
,
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/P7782#Entity types
Categories
:
All Properties
Properties with wikibase-item-datatype
Properties used on 10000+ items
Properties with constraints on type
Properties with unique value constraints
Properties with inverse constraints
Properties with target required claim constraints
Properties with entity type constraints
Hidden category:
Property with duplicated information
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