Abdelhamid Bouchachia Roland Mittermeir Heinz Pozewaunig Document Identification by Shallow Semantic Analysis. 190-202 2000 conf/nldb/2000 NLDB http://link.springer.de/link/service/series/0558/bibs/1959/19590190.htm db/conf/nldb/nldb2000.html#BouchachiaMP00