摘要：This paper presents the RDA cataloging code and the BIBFRAME initiative as trends for the future of bibliographic description on the web. Therefore, descriptive bibliographical research was carried out on the general principles of cataloging, highlighting the theoretical major and facts that influenced the development of the principles of cataloging, the RDA code and the BIBFRAME initiative. It describes the RDA code, from its evolution and terminology and outlines relations on the use of RDA with MARC 21 format from comparisons with AACR2R. It then describes the BIBFRAME initiative in its two segments: model and vocabulary. Finally, it considers that the RDA and BIBFRAME trends over time will be taken as the basis for resource description in the web environment.
关键词：Resource Description and Access (RDA). Bibliographic Framework Initiative (BIBFRAME). Principles of cataloging. Cataloging codes. MARC 21 format.;Resource Description and Access (RDA). Bibliographic Framework Initiative (BIBFRAME). Princípios da catalogação. Códigos de catalogação. Formato MARC 21.
