Datasets Activity Stream About Pages Order by Relevance Name Ascending Name Descending Last Modified Go 1 dataset found Catalogs: Linked Open Vocabulary Providers: Richard Cyganiak Filter Results D2RQ - Language Specification This document specifies the D2RQ mapping language. D2RQ is a declarative language to describe mappings between relational database schemata and OWL/RDFS ontologies. @en TTL RDF CSV