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    Compression Word Coding Techniques for Information Retrieval

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    Core: Leadership, Infrastructure, Futures, a division of the American Library Association
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    A description and comparison is presented of four compression techniques for word coding having application to information retrieval. The emphasis is on codes useful in creating directories to large data files. It is further shown how differing application objectives lead to differing measures of optimality for codes, though compression may be a common quality

    MARC II and COBOL

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    Core: Leadership, Infrastructure, Futures, a division of the American Library Association
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    A description of the machine processing of MARC II records using COBOL for an application on the Library of Congress System 360/30. Emphasis is on the manipulation by COBOL of highly complex variable length MARC records containing variable length fields

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