special interest group

subdivision of a computer user's group that meets to discuss a very specific issue, SIG

In the computer field, a Special Interest Group (SIG) is a community with a particular interest in a specific technical area. SIGs exist for the fields of computing architecture, graphics, security, etc. Members of a SIG cooperate to effect or to produce solutions within their particular field, and often meet regularly, particularly at computing conferences.
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An interest group (also called an advocacy group, lobbying group, pressure group (UK), or special interest) is a group, however loosely or tightly organized, doing advocacy: those determined to encourage or prevent changes in public policy without trying to be elected.
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Synonym community of interest.

(SIG) One of several technical areas, sponsored by the Association for Computing Machinery. Well-known SIGs include SIGPLAN (the Special Interest Group on Programming Languages), SIGARCH (the Special Interest Group for Computer Architecture) and SIGGRAPH (the Special Interest Group for Computer Graphics).
(1994-10-27)