view tests/misc-queries/test-query-pluginid-for-rdf @ 152:db83ea0e102d jams

Make the JSON well-formed (though still empty), except in the case where we are asked to write more than one file's features to the same output file or stdout

PREFIX vamp: <http://purl.org/ontology/vamp/>
PREFIX examples: <http://vamp-plugins.org/rdf/plugins/vamp-example-plugins#>

SELECT ?plugin ?library_id ?plugin_id
FROM <http://vamp-plugins.org/rdf/plugins/vamp-example-plugins>

WHERE {
      ?plugin a vamp:Plugin .
      ?plugin vamp:identifier ?plugin_id .
      OPTIONAL { ?library a vamp:PluginLibrary .
            ?library vamp:identifier ?library_id .
	          ?library vamp:available_plugin ?plugin . }
}