%0 Journal Article %A Nuno Lopes %A Cláudio Fernandes %A Salvador Abreu %T Representing and Querying Multiple Ontologies with Contextual Logic Programming %J Computer Science and Information Systems %D 2008 %V 5 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CSIS_2008_5_2_a4/ %F CSIS_2008_5_2_a4