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witness set
In computational learning theory, let ''C'' be a concept class over a domain ''X'' and ''c'' be a concept in ''C''. A subset ''S'' of ''X'' is a witness set for ''c'' in ''C'' if ''c''(''S'') verifies ''c'' (i.e., ''c'' is the only consistent concept with respect to ''c''(''S'')). The minimum size of a witness set for ''c'' is called the ''witness size'' or ''specification number'' and is denoted by . The value is called the teaching dimension of ''C''.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「witness set」の詳細全文を読む
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