![]() This allowed selected Library of Congress (LC) cataloging staff and Program for Cooperative Cataloging (PCC) participants to lock, edit, and replace any record with an Encoding Level of blank, 1, or 8. National Level Enhance became a reality in September 1994. Allowing Enhance participants to upgrade any CIP record, except for its Encoding level value of 8, was introduced in 1993. Also in 1992, it became possible for full and higher authorizations to add 300 physical description fields to CIP records. The ability to add 505 contents notes became part of Database Enrichment in August 1992. ![]() In 1991, the Database Enrichment capability was implemented, allowing full mode and higher authorizations to add subject headings and call numbers to records. At the same time, OCLC ceased face-to-face training of Enhance libraries in favor of using the Enhance Training Outline as the major instructional tool. In September 1989, the Regular Enhance application process was opened year-round, regardless of bibliographic format. In the early years of Enhance, libraries were chosen through a series of application rounds or as special projects. This allowed cataloging full mode authorizations and higher to lock, edit, and replace Encoding Levels K, 7, and (in 1987) M records. Late in 1985, responsibility for WorldCat quality control was further decentralized with the implementation of the Minimal-Level Upgrade capability. The initial group of 20 libraries was invited to join the Enhance program in May 1984. Until the implementation of Enhance, the only mechanism for changes to non-serial records was reporting by paper change requests or submitting a change request to OCLC via any of the available electronic means so that OCLC staff could make corrections. The sole exception to this had been the CONSER Program, the mechanism for updating and correcting serial records. Until that time, most quality control activity was centered in what is now known as WorldCat Metadata Quality at OCLC. ![]() In 1983, OCLC established the Enhance function in an effort to decentralize quality control responsibility for WorldCat. 5.2.2 Editing capabilities for non-PCC recordsĥ.2.3 Editing capabilities for PCC recordsĥ.1 OCLC Member Quality Assurance Enhance
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