@inproceedings{dawson-DoD97,
    AUTHOR = {{S.} Dawson and {X.} Qian},
    TITLE = {Query Mediation for Trusted Database Interoperation},
    BOOKTITLE = {Proceedings of the 1997 DoD Database Colloquium},
    YEAR = {1997},
    URL = {http://www.csl.sri.com/papers/377/}
}