. "unionOf" . "text/plain" . . "NTriples description of add-on (0..*)" . . _:Nc277aee716bc46669c3bec077f386ff3 _:N711bff9582c74ee69b1654e5a12fc048 . . "RDF/XML description of add-on (0..*)" . "GoodRelations Ontology"@en . "add-on (0..*)"@en . . . _:Na8f42f665fbc497ba847871ca73b7463 . "rest" . "text/turtle" . . . . . _:Na8f42f665fbc497ba847871ca73b7463 . "range" . . . . _:Nc277aee716bc46669c3bec077f386ff3 . _:N616fb5ff8a2d4ea49bfb48b0690dd590 . "Class" . . . . "Offering"@en . . "label" . "Turtle description of add-on (0..*)" . "type" . . "application/rdf+xml" . _:N711bff9582c74ee69b1654e5a12fc048 _:N616fb5ff8a2d4ea49bfb48b0690dd590 . . "first" . "ObjectProperty" . "nil" . . _:Nc277aee716bc46669c3bec077f386ff3 . "text/n3" . . . _:N616fb5ff8a2d4ea49bfb48b0690dd590 . . "Description of add-on (0..*)" . "Notation3 description of add-on (0..*)" . _:N711bff9582c74ee69b1654e5a12fc048 . "text/html" . . "isDefinedBy" . . "application/xhtml+xml" . "comment" . "Source"@en . . "domain" . . "The GoodRelations Vocabulary for Semantic Web-based E-Commerce"@en . "This property points from a gr:Offering to additional offerings that can only be obtained in combination with the first offering. This can be used to model supplements and extensions that are available for a surcharge. Any gr:PriceSpecification attached to the secondary offering is to be understood as an additional charge."@en . "HTML description of add-on (0..*)" .