public static void execute(UpdateRequest request, String serviceURL)
{
HttpPost httpPost = new HttpPost(serviceURL) ;
ByteArrayOutputStream b_out = new ByteArrayOutputStream() ;
IndentedWriter out = new IndentedWriter(b_out) ;
UpdateWriter.output(request, out) ;
out.flush() ;
byte[] bytes = b_out.toByteArray() ;
AbstractHttpEntity reqEntity = new ByteArrayEntity(bytes) ;
reqEntity.setContentType(WebContent.contentTypeSPARQLUpdate) ;
reqEntity.setContentEncoding(HTTP.UTF_8) ;
httpPost.setEntity(reqEntity) ;