/**
  * Extract the main content form ARC:s SPARQL result HTML
  * and do some processing (wikify tables)
  * @param string $output
  * @return string $html
  */
 function extractPrepareARCHTMLOutput( $output ) {
     $html = RDFIOUtils::extractHTMLBodyContent( $output );
     $html = RDFIOUtils::wikifyTables( $html );
     $html = "<h3>Result:</h3><div style='font-size: 11px;'>" . $html . "</div>";
     return $html;
 }