Classification

Classification may refer to:

Library classification
Taxonomic classification (see Taxonomy)
Biological classification of organisms
Medical classification
Scientific classification (disambiguation)
Classification (literature)
Supervised learning (see Classification in machine learning)
Statistical classification
Mathematical classification
Document classification
Classified information - sensitive information to which access is restricted by law or regulation to particular classes of people.
Classification theorems in mathematics.
Film classification (see Motion picture rating system)
Civil service classification, personnel grades in government
Attribute-value system
Classification society
Railway locomotive classification
Wines Classification of wine
An industrial process such as mechanical screening for sorting materials by size, shape, and density, etc.