RDA and MARC 21 alignments

RDA Toolkit has always offered an alignment between RDA elements and the MARC 21 Authority and Bibliographic formats. This is not, strictly speaking, a linked data or semantic map because there is no formal representation of MARC 21 in Resource Description Framework (RDF).

Arrows pointing in different directions

Removing the Relationship Matrix

When the RDA Toolkit beta site debut in June 2018, what had been relationship designators in the original toolkit became relationship elements. The Relationship Matrix was included in the beta site as a replacement for the appendices I-L that allows users to do a quick look-up of relationship elements.

Removing the Relationship Matrix