There is general agreement that in the context of incomplete databases, the aright aquot; answers are the certain answers, that is, ... A related important question is whether the certain answers of a query can be computed by query evaluation on theanbsp;...
Title | : | Database Theory - ICDT 2003 |
Author | : | Diego Calvanese, Maurizio Lenzerini, Rajeev Motwani |
Publisher | : | Springer - 2003-07-01 |
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