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Get boolean query result.
librdf_query_results_get_boolean ( query_results, .copy )
integer
librdf_query_results query_results ("_p_librdf_query_results")
NA
https://librdf.org/docs/
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.