Classification is a process related to categorization, the process in which ideas and objects are recognized, differentiated and understood. Classification is the grouping of related facts into classes. It may also refer to a process which brings together like things and separates unlike things.
Business, organizations, and economics
Classification of customers, for marketing (as in Master data management) or for profitability (e.g. by Activity-based costing) Classified information, as in legal or government documentation Job classification, as in job analysis Standard Industrial Classification, economic activities
Mathematics
Attribute-value system, a basic knowledge representation framework
Classification theorems in mathematics
Mathematical classification, grouping mathematical objects based on a property that all those objects share Statistical classification, identifying to which of a set of categories a new observation belongs, on the basis of a training set of data
Media
Classification (literature), a figure of speech linking a proper noun to a common noun using the or other articles Decimal classification, decimal classification systems Document classification, a problem in library science, information science and computer science Classified information, sensitive information to which access is restricted by law or regulation to particular classes of people Library classification, a system of coding, assorting and organizing library materials according to their subject Image classification in computer vision Motion picture rating system, for film classification
Science
Scientific classification (disambiguation) Biological classification of organisms Chemical classification Medical classification, the process of transforming descriptions of medical diagnoses and procedures into universal medical code numbers Taxonomic classification, also known as classification of species Cladistics, an approach using similarities
Organizations involved in classification
International Society for Knowledge Organization
Other uses
An industrial process such as mechanical screening for sorting materials by size, shape, density, etc. Civil service classification, personnel grades in government Classification of swords Classification of wine Locomotive classification Product classification Security classification, information to which access is restricted by law or regulation Ship classification society, a non-governmental organization that establishes and maintains technical standards for the construction and operation of ships and offshore structures
See also
Class (disambiguation) Classified (disambiguation) Classifier (disambiguation) Data classification (disambiguation) Order Taxonomy