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Classification is a process related to
categorization Categorization is the human ability and activity of recognizing shared features or similarities between the elements of the experience Experience refers to conscious , an English Paracelsian physician Consciousness, at its simplest, is " se ...

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: {{TOC right}


Business, organizations, and economics

* Classification of customers, for marketing (as in
Master data management Master data management (MDM) is a technology-enabled discipline in which business and information technology work together to ensure the uniformity, accuracy, stewardship, semantic consistency and accountability of the enterprise's official shared m ...
) or for profitability (e.g. by Activity-based costing) *
Classified information Classified Information is material that a government body deems to be sensitive information Information sensitivity is the control of access to information Access may refer to: Companies and organizations * ACCESS (Australia), an Australian ...
, as in legal or government documentation * Job classification, as in
job analysis Job analysis (also known as work analysis) is a family of procedures to identify the content of a job in terms of the activities it involves in addition to the attributes or requirements necessary to perform those activities. ''Job analysis'' prov ...
*
Standard Industrial Classification Standard may refer to: Symbols * Colours, standards and guidons In military organizations, the practice of carrying colours, standards or guidons, both to act as a rallying point for troops and to mark the location of the commander, is ...
, economic activities


Mathematics

*
Attribute-value systemAn attribute-value system is a basic knowledge representation framework comprising a table with columns designating "attributes" (also known as "properties", "predicates", "features", "dimensions", "characteristics", " fields", "headers" or "indepen ...
, a basic knowledge representation framework *
Classification theorem In mathematics Mathematics (from Greek: ) includes the study of such topics as numbers (arithmetic and number theory), formulas and related structures (algebra), shapes and spaces in which they are contained (geometry), and quantities and t ...
s in mathematics * Mathematical classification, grouping mathematical objects based on a property that all those objects share *
Statistical classification In statistics Statistics is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data Data (; ) are individual facts, statistics, or items of information, often numeric. In a mor ...
, identifying to which of a set of categories a new observation belongs, on the basis of a training set of data


Media

*
Classification (literature) Classification is a figure of speech linking a proper noun to a common noun using ''the'' or other articles.Robert E. Owens, "Language Development", 7th Edition, Content Technologies (2012). Example * "Finland, the land of a thousand lakes." * " ...
, a figure of speech linking a proper noun to a common noun using ''the'' or other articles *
Decimal classification Decimal classification is a type of library classification. Examples include: * Dewey Decimal Classification (DDC) * Korean Decimal Classification (KDC) * Nippon Decimal Classification (NDC) See also

* Classification * Decimal * Decimal sectio ...
, decimal classification systems *
Document classification Document classification or document categorization is a problem in library science Library science (often termed library studies, bibliothecography, library economy, and informatics) is an or multidisciplinary field that applies the practices, pe ...
, a problem in library science, information science and computer science **
Classified information Classified Information is material that a government body deems to be sensitive information Information sensitivity is the control of access to information Access may refer to: Companies and organizations * ACCESS (Australia), an Australian ...
, sensitive information to which access is restricted by law or regulation to particular classes of people **
Library classification A library classification is a system of knowledge organization by which library resources are arranged and ordered systematically. Library classifications a notational system that represents the order of topics in the classification and allows i ...
, a system of coding, assorting and organizing library materials according to their subject * Image classification in computer vision *
Motion picture rating system A motion picture content rating system is an organization designated to classify films based on their suitability for audiences due to their treatment of issues such as sex, violence, or substance abuse; their use of profanity; or other matters ty ...
, for film classification


Science

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Scientific classification (disambiguation)Scientific classification may refer to: * Chemical classificationChemical classification systems attempt to classify elements or compounds according to certain chemical functional or structural properties. Whereas the structural properties are larg ...
**
Biological classification In biology Biology is the natural science that studies life and living organisms, including their anatomy, physical structure, Biochemistry, chemical processes, Molecular biology, molecular interactions, Physiology, physiological mecha ...
of organisms **
Chemical classification Chemical classification systems attempt to classify elements or compounds Compound may refer to: Architecture and built environments * Compound (enclosure), a cluster of buildings having a shared purpose, usually inside a fence or wall ** Compou ...
**
Medical classification A medical classification is used to transform descriptions of medical diagnoses Diagnosis is the identification of the nature and cause of a certain phenomenon. Diagnosis is used in many different disciplines, with variations in the use of logic ...
, the process of transforming descriptions of medical diagnoses and procedures into universal medical code numbers **
Taxonomic classification In biology Biology is the natural science that studies life and living organisms, including their anatomy, physical structure, Biochemistry, chemical processes, Molecular biology, molecular interactions, Physiology, physiological mecha ...
, also known as classification of species ***
Cladistics Cladistics (; ) is an approach to biological classification In biology Biology is the natural science that studies life and living organisms, including their anatomy, physical structure, Biochemistry, chemical processes, Molecular ...

Cladistics
, an approach using similarities


Organizations involved in classification

*
International Society for Knowledge Organization The International Society for Knowledge Organization, or ISKO, is a professional association A professional association (also called a professional body, professional organization, or professional society) usually seeks to further Further or ...


Other uses

* An industrial
process A process is a series or set of activities that interact to produce a result; it may occur once-only or be recurrent or periodic. Things called a process include: Business and management *Business process A business process, business method ...
such as
mechanical screening Mechanical screening, often just called screening, is the practice of taking granulated ore Ore is natural rock Rock most often refers to: * Rock (geology) A rock is any naturally occurring solid mass or aggregate of minerals or ...
for sorting materials by size, shape, and density, etc. *
Civil service The civil service is a collective term for a sector of government composed mainly of career civil servants hired on professional merit rather than appointed or elected, whose institutional tenure typically survives transitions of political leader ...
classification, personnel grades in government *
Classification of swords The English language terminology used in the classification of sword A sword is a Edged and bladed weapons, bladed melee weapon intended for cutting or thrusting that is longer than a knife or dagger, consisting of a long blade attached to a ...
* Classification of wine * Classification society, a non-governmental organization that establishes and maintains technical standards for the construction and operation of ships and offshore structures * Locomotive classification * Product classification * Security classification, information to which access is restricted by law or regulation


See also

* Class (disambiguation) * Classified (disambiguation) * Classifier (disambiguation) * Data classification (disambiguation) * Phytosociology, Order * Taxonomy (disambiguation)


External links

{{wiktionary, classification, classifications, classifies, classify, classifying *{{Commons-inline {{Set index article Classification systems, Former disambiguation pages converted to set index articles