classification system

1. A system for classifying things (synset 105735165)
   is a type of: arrangement, organisation, organization, system - an organized structure for arranging or classifying
   subtypes:

   • decimal system of classification, dewey decimal classification, dewey decimal system - a system used by libraries to classify nonfictional publications into subject categories; the subject is indicated by a three-digit numeral and further specification is given by numerals following a decimal point; publications are shelved by number
   • hierarchical classification system - a classification system where entries are arranged based on some hierarchical structure
   • file system, filing system - a system of classifying into files (usually arranged alphabetically)
   • grouping, pigeonholing - a system for classifying things into groups
   • rating system, scoring system - a system of classifying according to quality or merit or amount
   • abo blood group system, abo group, abo system - a classification system for the antigens of human blood; used in blood transfusion therapy; four groups are A and B and AB and O

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