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second-order class
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Controversial
Uncontroversial
Edition (book)
?
TBD
Book publishing
vehicle model
N?
32%
specific vehicle design of which all instances are produced to identical specifications
type of manufactured good
Y?
70%
first-order metaclass
fictional species
Y
83%
species that only exists in fiction; for individual fictional organisms, use Q30017383
electronic device model
Y
89%
type of electronic device
type of sport
N?
25%
specific sport. Do not use with P279 (subclass of)
Car model
N?
32%
Industrial automobile model
Sexual orientation
Y
89%
Pattern of romantic or sexual attraction
home video game console model
Y
88%
model of a home video game console
Chemical compound
Y
84%
Substance composed of multiple elements that are chemically bonded
type of meteorological phenomenon
Y?
57%
metaclass; instances of this item are classes representing common weather phenomena
drink brand
Y?
56%
brand name used for beverages
class of anatomical entity
Y?
64%
anatomical entity as a first-order metaclass. To be used as P31 values for all anatomical structure classes. Its instances are classes (e.g. heart)
organ type
Y
85%
metaclass for collections of tissues joined as a structural unit that serves a common function
food brand
Y
78%
brand name used for food
class of disease
N
20%
disease as a first-order metaclass. To be used as P31 values for all disease classes. Its instances are classes (e.g., cancer)
Signs and symptoms
N
10%
Indications of a specific illness, including psychiatric
Chemical element
Y
75%
Chemical substance not composed of simpler ones
occupation
Y?
72%
label applied to a person based on an activity they participate in
Profession
Y?
74%
Vocation founded upon specialized educational training
group or class of physical objects
Y
88%
group or class of organisms
Y
87%
group of organisms
Taxon
Y
91%
Grouping of biological populations
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