classifier
nounUS /ˈklæsɪfaɪɚ/ · UK /ˈklæsɪfaɪə/
Etymology From classify + -er.
1
Someone who classifies.
- He was a model of anal defensiveness: fastidious in his dress and appearance, a collector and putter of things in order, a classifier and labeler.1995, Leonard Shengold, Delusions of Everyday Life, page 39:
2
Human sciences, Linguistics, Sciences A word or morpheme used in some languages (such as CJKV languages and sign languages), in certain contexts (such as counting), to indicate the semantic class to which something belongs.
3
A machine that separates particles or objects of different size or density.
4
Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences A program or algorithm that classifies.
5
A metaclass used to group other entities having common features.
Object-oriented programming
- A classifier can have several types of extra information attached to it via a UML mechanism called adornments.2005, Dan Pilone, Neil Pitman, UML 2.0 in a Nutshell: A Desktop Quick Reference, page 9:
- The owner scope of a feature specifies whether the feature appears in each instance of the classifier or whether there is just a single instance of the feature for all instances of the classifier.2008, S.S.Jadhav B.S.Ainapure, Object Oriented Modeling & Design, page 3-40:
1 more example
- The figure also shows that instances can be associated with a classifier Behavior, which represents the behavior that active objects start executing when created.2017, Katalin Popovici, Pieter J. Mosterman, Real-Time Simulation Technologies, page 142:
- Derived terms
- autoclassifier, massifier, metaclassifier, multiclassifier, phyloclassifier, subclassifier, subobject classifier, subset classifier
- Related terms
- counter, counting word, measure word