Sample (cont'd)

         According to "Lutz Maicher", 
            who _is organizer of event_ "TMRA 07",
            "TMRA 07" _is complement of_ "Topic Maps 2007", 
            which _is part of series_ "Topic Maps Conferences".

         "Steve Pepper",
              who _is organizer of event_ "Topic Maps 2007",
         .... yada yada ...