ascii
, iso_latin_1
or utf8
.
Characters that cannot be represented in the encoding are represented as
XML entities. Using ASCII is a good idea for documents that can be
represented almost completely in ASCII. For more international documents
using UTF-8 creates a more compact document that is easier to read.
rdf_write(File, Triples) :- open(File, write, Out, [encoding(utf8)]), call_cleanup(rdf_write_xml(Out, Triples), close(Out)).