RDA
recommended dietary allowance
RDA stands for Resource Description and Access, which is a set of guidelines used by librarians, catalogers, and other information professionals to create standardized descriptions of library resources, including books, electronic resources, and other materials.
RDA was developed to replace the Anglo-American Cataloguing Rules (AACR) and is designed to reflect current cataloging best practices, particularly in relation to digital resources. RDA uses a number of new principles, such as the Functional Requirements for Bibliographic Records (FRBR) and the Functional Requirements for Authority Data (FRAD), which aim to provide more granular and detailed descriptions of resources, as well as to facilitate greater interoperability between library systems.
RDA provides guidance and rules on things such as preferred titles, subject headings, authors, publication details, and many other aspects of bibliographic description. It includes guidance on how to apply the rules to different types of materials, such as serials, maps, and audio-visual materials, and it also incorporates guidelines for metadata creation that can be used in digital collections.
Overall, RDA is an important tool for improving cataloging and resource discovery in libraries, museums, and archives, and is a critical component of the larger movement to make cultural heritage and information resources more accessible and discoverable for all.
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