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Subject access
Subject access refers to the methods and systems by which books, journals, and other documents are accessed in a given bibliographic database (e.g. a library classification system). The single records in a bibliographic file is structured in fields and each field can be searchable and combined with other fields. Such searchable data from fields of records are termed access points. Some of these access points contain information such as author name, number of pages, language of publication, name of publisher etc. These are in library jargon termed "descriptive data". Other kinds of access points contain information such as title words, classification codes, indexing terms etc. They are termed subject access points.
. However, a subject access point is defined as any access point useful for subject searching. There is no precise border between descriptive access points and subject access points. In theory any access point may hypothetically be used for subject searching.
==See also==
*Metadata
*Subject (documents)
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「Subject access」の詳細全文を読む
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