Perform a SPARQL QuerySource:
Perform a SPARQL Query
an rdf object (e.g. from
a SPARQL query, as text string
logical, should the results be returned as a data.frame?
additional arguments to a redland initialize-Query
a data.frame of all query results (default.) Columns will
be named according to variable names in the SPARQL query. Returned
object values will be coerced to match the corresponding R type
to any associated datatype URI, if provided. If a column would
result in mixed classes (e.g. strings and numerics), all types
in the column will be coerced to character strings. If
is false, results will be returned as a list with each element typed by its data URI.