%0 Conference Paper %1 DBLP:conf/esws/PolleresFH06 %A Polleres, Axel %A Feier, Cristina %A Harth, Andreas %B ESWC %D 2006 %K web proceedings 2006 and reason eswc rules european conference semantic %P 332-347 %T Rules with Contextually Scoped Negation.