7 citations · 10 across the 4 of their papers we have counts for
4 papers
Repairing Inconsistent XML Write-Access Control Policies
Loreto Bravo, James Cheney, Irini Fundulaki
XML access control policies involving updates may contain security flaws, here called inconsistencies, in which a forbidden operation may be simulated by performing a sequence of a…
Semantically Correct Query Answers in the Presence of Null Values
Loreto Bravo, Leopoldo Bertossi
For several reasons a database may not satisfy a given set of integrity constraints(ICs), but most likely most of the information in it is still consistent with those ICs; and coul…
Complexity and Approximation of Fixing Numerical Attributes in Databases Under Integrity Constraints
L. Bertossi, L. Bravo, E. Franconi +1
Consistent query answering is the problem of computing the answers from a database that are consistent with respect to certain integrity constraints that the database as a whole ma…
Query Answering in Peer-to-Peer Data Exchange Systems
Leopoldo Bertossi, Loreto Bravo
The problem of answering queries posed to a peer who is a member of a peer-to-peer data exchange system is studied. The answers have to be consistent wrt to both the local semantic…