The Info List - UIC Classification Of Locomotive Axle Arrangements

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Classification is a general process related to categorization, the process in which ideas and objects are recognized, differentiated, and understood. A classification system is an approach to accomplishing classification. Classification may refer specifically to:


1 Mathematics 2 Media 3 Science 4 Business, organizations, and economics 5 Other uses 6 Organizations involved in classification 7 See also 8 External links


Statistical classification, identifying to which of a set of categories a new observation belongs, on the basis of a training set of data Mathematical classification, a collection of sets which can be unambiguously defined by a property that all its members share Classification theorems in mathematics Attribute-value system, a basic knowledge representation framework


Document classification, a problem in library science, information science and computer science

Library classification, system of coding, assorting and organizing library materials according to their subject Classified information, sensitive information to which access is restricted by law or regulation to particular classes of people

Motion picture rating system, for film classification Classification (literature), a figure of speech linking a proper noun to a common noun using the or other articles


Scientific classification (other)

Chemical classification Taxonomic classification, also known as classification of species

Cladistics, an approach using similarities

Biological classification
Biological classification
of organisms Medical classification, the process of transforming descriptions of medical diagnoses and procedures into universal medical code numbers

Business, organizations, and economics[edit]

Classification of customers, for marketing(as in Master data management) or for profitability (e.g. by Activity-Based Costing) Standard Industrial Classification, economic activities Job classification, as in job analysis Classified Information, as in legal or government documentation

Other uses[edit]

Civil service
Civil service
classification, personnel grades in government Classification society, a non-governmental organization that establishes and maintains technical standards for the construction and operation of ships and offshore structures Product classification Locomotive classification Classification of wine An industrial process such as mechanical screening for sorting materials by size, shape, and density, etc Classification of swords Security classification

Organizations involved in classification[edit]

International Society for Knowledge Organization

See also[edit]

Class (other) Classified (other) Classifier (other) Data classification (other) Order Taxonomy (other)

External links[edit]

Media related to Classification at Wikimedia Commons

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