Article · Wikipedia archive · Last revised Jun 4, 2026

ACM Computing Classification System

The ACM Computing Classification System (CCS) is a subject classification system for computing devised by the Association for Computing Machinery (ACM). The system is comparable to the Mathematics Subject Classification (MSC) in scope, aims, and structure, being used by the various ACM journals to organize subjects by area.

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Jun 4, 2026
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The ACM Computing Classification System (CCS) is a subject classification system for computing devised by the Association for Computing Machinery (ACM). The system is comparable to the Mathematics Subject Classification (MSC) in scope, aims, and structure, being used by the various ACM journals to organize subjects by area.

History

The system has gone through seven revisions, the first version being published in 1964, and revised versions appearing in 1982, 1983, 1987, 1991, 1998, and the now current version in 2012.

Structure

It is hierarchically structured in four levels. For example, one branch of the hierarchy contains:

Computing methodologies
Artificial intelligence
Knowledge representation and reasoning
Ontology engineering
See also

See also

References

References

External links