rdfxml_test.rb

#!/usr/bin/env ruby

require 'rubygems'

require 'rdf'
require 'rdf/ntriples'
require 'rdf/rdfxml'


graph = RDF::Graph.new
RDF::Reader::for(:ntriples).new(DATA.read) do |reader|
  reader.each_statement do |statement|
    graph << statement
  end
end

puts RDF::Writer.for(:rdfxml).dump(graph)



__END__
<http://dbpedialite.org/things/3354#thing> <http://www.w3.org/2000/01/rdf-schema#comment> "Berlin (English pronunciation:\u00A0/b\u025Cr\u02C8l\u026An/; German pronunciation:\u00A0[b\u025B\u0250\u032F\u02C8li\u02D0n]\u00A0 (listen)) is the capital city and one of 16 states of Germany. With a population of 3.4 million people, Berlin is Germany's largest city. It is the second most populous city proper and the eighth most populous urban area in the European Union. Located in northeastern Germany, it is the center of the Berlin-Brandenburg Metropolitan Area, comprising 5 million people from over 190 nations. Geographically embedded in the European Plains, Berlin is influenced by a temperate seasonal climate. Around one third of the city's territory is composed of forests, parks, gardens, rivers and lakes.\n" .
<http://dbpedialite.org/things/3354#thing> <http://www.w3.org/2003/01/geo/wgs84_pos#long> "13.39889"^^<http://www.w3.org/2001/XMLSchema#double> .
<http://dbpedialite.org/things/3354#thing> <http://www.w3.org/2000/01/rdf-schema#label> "Berlin" .
<http://dbpedialite.org/things/3354#thing> <http://www.w3.org/2003/01/geo/wgs84_pos#lat> "52.50056"^^<http://www.w3.org/2001/XMLSchema#double> .
<http://dbpedialite.org/things/3354#thing> <http://www.w3.org/2002/07/owl#sameAs> <http://rdf.freebase.com/ns/m.0156q> .
<http://dbpedialite.org/things/3354#thing> <http://www.w3.org/2002/07/owl#sameAs> <http://dbpedia.org/resource/Berlin> .
<http://dbpedialite.org/things/3354#thing> <http://xmlns.com/foaf/0.1/page> <http://www.berlin.de/international/index.en.php/> .
<http://dbpedialite.org/things/3354#thing> <http://xmlns.com/foaf/0.1/page> <http://www.businesslocationcenter.de/en/Start/index.html> .
<http://dbpedialite.org/things/3354#thing> <http://xmlns.com/foaf/0.1/page> <http://www.hauptstadtregion-berlin-brandenburg.de/> .
<http://dbpedialite.org/things/3354#thing> <http://xmlns.com/foaf/0.1/page> <http://www.berlin-regional.de/> .
<http://dbpedialite.org/things/3354#thing> <http://xmlns.com/foaf/0.1/page> <http://www.berlin-tourist-information.de/index.en.php> .
<http://dbpedialite.org/things/3354#thing> <http://xmlns.com/foaf/0.1/page> <http://www.museumsportal-berlin.de/en.html> .
<http://dbpedialite.org/things/3354#thing> <http://xmlns.com/foaf/0.1/page> <http://www.exberliner.com> .
<http://dbpedialite.org/things/3354#thing> <http://xmlns.com/foaf/0.1/page> <http://berlin.unlike.net/> .
<http://dbpedialite.org/things/3354#thing> <http://xmlns.com/foaf/0.1/page> <http://www.flickr.com/photos/41182695@N08/sets/72157622725699696/> .
<http://dbpedialite.org/things/3354#thing> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Thing> .
<http://dbpedialite.org/things/3354#thing> <http://xmlns.com/foaf/0.1/isPrimaryTopicOf> <http://en.wikipedia.org/wiki/Berlin> .

http://github.com/gkellogg/rdf-rdfxml/issues/issue/1

Fixed in http://github.com/gkellogg/rdf-rdfxml/commit/bd5d124fcfb8fe3548fac06674e99ed430a07d23, I'll push an update to the Gem soon, just sorting a couple of other things out.