Vladimir Sarsakov Torsten Schaub Hans Tompits Stefan Woltran nlp: A Compiler for Nested Logic Programming. 361-364 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2923&spage=361 2004 conf/lpnmr/2004 LPNMR db/conf/lpnmr/lpnmr2004.html#SarsakovSTW04