Hendrik Blockeel Luc Dehaspe Bart Demoen Gerda Janssens Jan Ramon Henk Vandecasteele Executing Query Packs in ILP. 60-77 2000 conf/ilp/2000 ILP http://link.springer.de/link/service/series/0558/bibs/1866/18660060.htm db/conf/ilp/ilp2000.html#BlockeelDDJRV00