Coerce an object into RDF
as_rdf(x, rdf = NULL, prefix = NULL, base = getOption("rdf_base_uri", "localhost://"), context = NULL, key_column = NULL)
x | an object to coerce into RDF (list, list-like, or data.frame) |
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rdf | An existing rdf object, (by default a new object will be initialized) |
prefix | A default vocabulary (URI prefix) to assume for all predicates |
base | A base URI to assume for blank subject nodes |
context | a named list mapping any string to a URI |
key_column | name of a column which should be treated as the primary key in a table. must be unique |
as_rdf(mtcars)#> Warning: prefix not declared, using df:as_rdf(list(repo = "rdflib", owner = list("id", "ropensci")))