This vocabulary is an expression in OWL 2 DL of the basic concepts and relations described in the IFLA report on the Functional Requirements for Bibliographic Records (FRBR), also described in Ian Davis s RDF vocabulary (http://vocab.org/frbr/core).The Essential FRBR in OWL2 DL Ontology (FRBR) is an expression in OWL 2 DL of the basic concepts and relations described in the IFLA report on the Functional Requirements for Bibliographic Records (FRBR), also described in Ian Davis s RDF vocabulary.**URL:** http://purl.org/spar/frbr**Creators**: [Paolo Ciccarese](http://orcid.org/0000-0002-5156-2703), [Silvio Peroni](http://orcid.org/0000-0003-0530-4305)**Contributors:**: [David Shotton](http://orcid.org/0000-0001-5506-523X)**License:** [Creative Commons Attribution 4.0 International](https://creativecommons.org/licenses/by/4.0/legalcode)**Website:** http://www.sparontologies.net/ontologies/frbr