d abstract Marc Andries, Leiden University Luca Cabibbo, University of Romey Jan Paredaens, University of Antwerpz Jan Van den Bussche, INRIAx In the context of object databases...
Marc Andries, Luca Cabibbo, Jan Paredaens, Jan Van...
Databases are often incomplete because of the presence of disjunctive information, due to con icts, partial knowledge and other reasons. Queries against such databases often ask q...