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词条 Classification
释义

  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

{{wiktionary|classification|classifications|classifies|classify|classifying}}

Classification is a process related to categorization, the process in which ideas and objects are recognized, differentiated, and understood.

It may refer to:

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Mathematics

  • 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

Media

  • 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
  • Image classification in computer vision
  • 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

Science

  • Scientific classification (disambiguation)
    • Chemical classification
    • Taxonomic classification, also known as classification of species
    • Cladistics, an approach using similarities
    • 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

  • 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

  • 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, information to which access is restricted by law or regulation

Organizations involved in classification

  • International Society for Knowledge Organization

See also

  • Class (disambiguation)
  • Classified (disambiguation)
  • Classifier (disambiguation)
  • Data classification (disambiguation)
  • Order
  • Taxonomy (disambiguation)

External links

  • {{Commons-inline}}
{{Set index article}}

2 : Classification|Former disambiguation pages converted to set index articles

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