WorldCat Linked Data uses a subset of terms from http://schema.org/ as its core vocabulary. The current list of used terms includes:
Schema.org Attributes (used with various classes):
Schema.org Associations (used with various classes):
For situations involving authority control, these additional SKOS vocabulary terms were used:
The combination of terms listed above covers many essentials that are relevant in bibliographic description, but there are some glaring gaps. The vocabulary defined at http://purl.org/library/ is designed to fill some of those gaps. The current list of extensions include:
Although this “library” vocabulary was designed internally, OCLC looks forward to working with the library and Schema.org community to develop and/or replace this vocabulary as a community effort.
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