librdf_model_get_sources: Return the sources (subjects) of arc in an RDF graph given arc (predicate) and target (object).
Description
Return the sources (subjects) of arc in an RDF graph given arc (predicate) and target (object).
Usage
librdf_model_get_sources ( model,
arc,
target )
Arguments
model
librdf_model object ("_p_librdf_model_s")
arc
librdf_node arc ("_p_librdf_node_s")
target
librdf_node target ("_p_librdf_node_s")
Value
_p_librdf_iterator_s
References
http://librdf.org/docs
See Also
This R function is a wrapper function that directly calls the the Redland RDF C libraries.
For more information about Redland RDF, view the online documentation indicated in the 'References' section.