The Citation Typing Ontology is an ontology for the characterization of citations, both factually and rhetorically. It forms part of SPAR, a suite of Semantic Publishing and Referencing Ontologies.
OPMV, the Open Provenance Model Vocabulary, provides terms to enable practitioners of data publishing to publish their data responsibly. The Open Provenance Model Vocabulary is closely based on the community provenance data model, the Open Provenance Model (OPM).
This specification defines a small ontology for similarity called MuSim. In MuSim, the association between two (or more) Things is a class to be reified rather than a property. This allows us to embrace the complexity of associations and accommodate the subjectivity and context-dependence of musical and multimedia similarity. Although this ontology was designed with music similarity in mind, it can readily be applied to other domains.
GoodRelations is a standardized language for product, price, and company data that can (1) be embedded into existing static and dynamic Web pages and that (2) can be processed by other computers. This increases the visibility of your products and services in the latest generation of search engines, recommender systems, and other novel applications.