"Source"@en . "GoodRelations Ontology"@en . "Class" . "unionOf" . "domain" . _:N8d63620511c74d06808428fad4012f53 . . "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 . "The GoodRelations Vocabulary for Semantic Web-based E-Commerce"@en . "ObjectProperty" . . . "Notation3 description of add-on (0..*)" . "text/plain" . "type" . _:N9ea8847357c84453883182062873ea68 . "add-on (0..*)"@en . . "first" . "text/turtle" . "Offering"@en . . "HTML description of add-on (0..*)" . . . . "rest" . "text/html" . . "application/rdf+xml" . . . . . . . _:N8d63620511c74d06808428fad4012f53 . . "comment" . "label" . "nil" . . . . "isDefinedBy" . . _:N60439ae87bdc45898f6ca08a084e7b74 . . _:Nadd5794e95e84c14acbe7fb7d3fd9dde . "application/xhtml+xml" . . "Description of add-on (0..*)" . "range" . . "Turtle description of add-on (0..*)" . _:N9ea8847357c84453883182062873ea68 . _:N8d63620511c74d06808428fad4012f53 _:Nadd5794e95e84c14acbe7fb7d3fd9dde . . . . . "RDF/XML description of add-on (0..*)" . "NTriples description of add-on (0..*)" . _:Nadd5794e95e84c14acbe7fb7d3fd9dde _:N9ea8847357c84453883182062873ea68 . _:N60439ae87bdc45898f6ca08a084e7b74 . "text/n3" .