removeRelationships | R Documentation |
Use this function to remove all or a subset of the relationships that have previously been added in a data package.
removeRelationships(x, ...) ## S4 method for signature 'DataPackage' removeRelationships(x, subjectID = NA_character_, predicate = NA_character_)
x |
A DataPackage object |
... |
(Additional parameters) |
subjectID |
The identifier of the subject of the relationships to be removed |
predicate |
The identifier of the predicate of the relationships to be removed |
Remove a relationship of the form "subject -> predicate -> object", as defined by the Resource Description Framework (RDF), i.e. an RDF triple. If neither subjectID nor predicate are provided, then all relationships are removed. If one or both are provided, they are used to select matching triples to be removed. Note: This method updates the passed-in DataPackage object.
the updated DataPackage object
DataPackage-class
dp <- new("DataPackage") # Create a relationship dp <- insertRelationship(dp, "/Users/smith/scripts/genFields.R", "https://knb.org/data_20030812.40.1", "http://www.w3.org/ns/prov#used") # Create a relationshp with the subject as a blank node with an automatically assigned blank # node id dp <- insertRelationship(dp, subjectID=NA_character_, objectIDs="thing6", predicate="http://myns.org/wasThing") # Create a relationshp with the subject as a blank node with a user assigned blank node id dp <- insertRelationship(dp, subjectID="urn:uuid:bc9e160e-ca21-47d5-871b-4a4820fe4451", objectIDs="thing7", predicate="http://myns.org/hadThing") # Create multiple relationships with the same subject, predicate, but different objects dp <- insertRelationship(dp, subjectID="https://myns.org/subject1", objectIDs=c("thing4", "thing5"), predicate="http://myns.org/hadThing") # Create multiple relationships with subject and object types specified dp <- insertRelationship(dp, subjectID="orcid.org/0000-0002-2192-403X", objectIDs="http://www.example.com/home", predicate="http://myns.org/hadHome", subjectType="uri", objectType="literal") nrow(getRelationships(dp)) dp <- removeRelationships(dp, predicate='http://myns.org/wasThing') nrow(getRelationships(dp)) dp <- removeRelationships(dp, subjectID='orcid.org/0000-0002-2192-403X') nrow(getRelationships(dp)) dp <- removeRelationships(dp, subjectID='https://myns.org/subject1', predicate='http://myns.org/hadThing') nrow(getRelationships(dp)) dp <- removeRelationships(dp) nrow(getRelationships(dp))
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.