Paul W. P. J. Grefen, Jennifer Widom. Protocols for Integrity Constraint Checking in Federated Databases. Distributed and Parallel Databases, 5(4):327-355, 1997. [doi]
@article{GrefenW97, title = {Protocols for Integrity Constraint Checking in Federated Databases}, author = {Paul W. P. J. Grefen and Jennifer Widom}, year = {1997}, tags = {protocol, constraints}, researchr = {https://researchr.org/publication/GrefenW97}, cites = {0}, citedby = {0}, journal = {Distributed and Parallel Databases}, volume = {5}, number = {4}, pages = {327-355}, }