Data integration under integrity constraints

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\begin{bibtex} @article{DBLP:journals/is/CaliCGL04,

 author    = {Andrea Cal\`{\i} and
              Diego Calvanese and
              Giuseppe De Giacomo and
              Maurizio Lenzerini},
 title     = {Data integration under integrity constraints},
 journal   = {Inf. Syst.},
 volume    = {29},
 number    = {2},
 year      = {2004},
 pages     = {147-163},
 ee        = {http://dx.doi.org/10.1016/S0306-4379(03)00050-4},
 bibsource = {DBLP, http://dblp.uni-trier.de}

}

\end{bibtex}