@InProceedings {bsj.ccs93,
    author = {E. Bertino and P. Samarati and S. Jajodia},
    booktitle = {Proc. of the First ACM Conference on Computer and Communications Security},
    title = {Authorizations in Relational Database Management Systems},
    address = {Fairfax, VA},
    pages = {130-139},
    month = {November},
    year = {1993}
}