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''Meta noise'' refers to inaccurate or irrelevant metadata. This is particularly prevalent in systems with a schema not based on a controlled vocabulary, such as certain folksonomies. Examples: * misspelled tags (''wihte'' instead of ''white''), or tags with multiple spellings (''hip-hop'' and ''hip hop'') * obviously inaccurate or joke tags (''dog'' on a content object featuring only a cat) * On systems open to large user groups, tags which are understood by only a minority of users. == Hidden benefit == Although the existence of meta noise may initially appear to detract from the value of metadata generally, ''meta noise'' allows less popular tags to be defined and used by a minority of users without damaging the validity or cohesion of what the majority of users would consider to be the most relevant or accurate metadata, thus actually increasing access to content. 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「Meta noise」の詳細全文を読む スポンサード リンク
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