Property talk:P196

Latest comment: 8 years ago by 4th-otaku in topic Subclass constraint

Documentation

minor planet group
is in grouping of minor planets according to similar orbital characteristics
DescriptionFor asteroids/minor-planets, saying which family they are in.
Representsminor planet group (Q2332332)
Data typeItem
Template parameteren:Template:Infobox planet mp_category
Domain
According to this template: asteroids/minor-planets - minor planet (Q1022867)
According to statements in the property:
minor planet (Q1022867) or binary asteroid (Q947662)
When possible, data should only be stored as statements
Allowed values
According to this template: subclasses of minor planet (Q1022867), instances of minor planet group (Q6188101)
According to statements in the property:
When possible, data should only be stored as statements
Example10 Hygiea (Q2640)asteroid belt (Q2179)
Ceres (Q596)asteroid belt (Q2179)
Tracking: usageCategory:Pages using Wikidata property P196 (Q26250038)
Lists
Proposal discussionProposal discussion
Current uses
Total104,689
Main statement104,687>99.9% of uses
Qualifier2<0.1% of uses
Search for values
[create Create a translatable help page (preferably in English) for this property to be included here]
Type “minor planet (Q1022867), binary asteroid (Q947662): item must contain property “instance of (P31)” with classes “minor planet (Q1022867), binary asteroid (Q947662)” 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/P196#Type Q1022867, Q947662, SPARQL
Value type “minor planet (Q1022867), minor planet group (Q2332332), circumstellar disk (Q3235978): This property should use items as value that contain property “subclass of (P279)”. On these, the value for subclass of (P279) should be an item that uses subclass of (P279) with value minor planet (Q1022867), minor planet group (Q2332332), circumstellar disk (Q3235978) (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/P196#Value type Q1022867, Q2332332, Q3235978, SPARQL
Scope is as main value (Q54828448): the property must be used by specified way only (Help)
List of violations of this constraint: Database reports/Constraint violations/P196#Scope, hourly updated report, 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/P196#Entity types
 
This property is being used by:

Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)


Hierarchy edit

This property should use items member of a hierarchy of the property subclass of (P279) starting from the item minor planet group (Q6188101).

Check the hierarchy edit

Item Property Expected value Found value
Vulcanoid asteroid subclass of minor planet group [[asteroid]]  
near-Earth asteroid subclass of minor planet group [[asteroid]]
[[near-Earth object]]
 
asteroid belt subclass of minor planet group [[minor planet group]]  
planet-crossing minor planets subclass of minor planet group [[minor planet group]]  
trojan subclass of minor planet group [[minor planet group]]
[[co-orbital object]]
 
distant minor planet subclass of minor planet group [[minor planet]]  
Apollo asteroid subclass of near-Earth asteroid [[near-Earth asteroid]]  
Aten asteroid subclass of near-Earth asteroid [[near-Earth asteroid]]  
Atira asteroid subclass of Aten asteroid [[Aten asteroid]]  
Amor asteroid subclass of near-Earth asteroid [[near-Earth asteroid]]  
list of Mercury-crossing minor planets subclass of planet-crossing minor planets [[planet-crossing minor planets]]  
list of Venus-crossing minor planets subclass of planet-crossing minor planets [[planet-crossing minor planets]]  
Earth-crosser asteroid subclass of planet-crossing minor planets P279 does not found  
Mars-crossing minor planet subclass of planet-crossing minor planets [[planet-crossing minor planets]]  
list of Jupiter-crossing minor planets subclass of planet-crossing minor planets [[planet-crossing minor planets]]  
list of Saturn-crossing minor planets subclass of planet-crossing minor planets [[planet-crossing minor planets]]  
list of Uranus-crossing minor planets subclass of planet-crossing minor planets [[planet-crossing minor planets]]  
list of Neptune-crossing minor planets subclass of planet-crossing minor planets [[planet-crossing minor planets]]  
Earth trojan subclass of trojan [[trojan asteroid]]  
Mars trojan subclass of trojan [[trojan asteroid]]  
Jupiter trojan subclass of trojan [[trojan asteroid]]  
Neptune trojan subclass of trojan [[trojan asteroid]]
[[cis-Neptunian object]]
 
cis-Neptunian object subclass of distant minor planet [[distant minor planet]]  
trans-Neptunian object subclass of distant minor planet [[distant minor planet]]
[[minor planet group]]
[[object in the outer Solar System]]
 
plutoid subclass of trans-Neptunian object [[dwarf planet]]
[[trans-Neptunian object]]
 
Kuiper Belt subclass of trans-Neptunian object [[astronomical object]]  
scattered disc subclass of trans-Neptunian object [[distant minor planet]]  
detached object subclass of trans-Neptunian object [[trans-Neptunian object]]
[[asteroid]]
 
Oort cloud subclass of trans-Neptunian object P279 does not found  
cubewano subclass of Kuiper Belt [[Kuiper belt object]]  
resonant trans-Neptunian object subclass of Kuiper Belt [[trans-Neptunian object]]  
plutino subclass of resonant trans-Neptunian object [[resonant trans-Neptunian object]]  
twotino subclass of resonant trans-Neptunian object [[resonant trans-Neptunian object]]  


Subclass constraint edit

This property has a constraint requiring that values be subclasses of minor planet group (Q6188101). Does this make any sense? Looking at the hierarchy above, there are some very strange implications. For example, an accepted value is distant minor planet (Q5282923). distant minor planet (Q5282923) is listed as though it should be a subclass of minor planet group (Q6188101), which would imply that every instance of distant minor planet (Q5282923) would also be an instance of minor planet group (Q6188101) by extension, but distant minor planets are not each minor planet groups. (Currently, the item is listed as being a subclass of minor planet (Q1022867) instead, which seems much more correct.)

Perhaps the constraint should be either requiring instance of (P31) minor planet group (Q6188101), or subclass of (P279) minor planet (Q1022867), instead? --Yair rand (talk) 16:03, 29 November 2015 (UTC)Reply

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