McLeod and Heimbigner were among the first to define a federated database system, as one which "define (s) the architecture and interconnect (s) databases that minimize central authority yet support partial sharing and coordination among database systems".
McLeod and Heimbigner were among the first to define a federated database system in the mid 1980's. A FDBS is one which "define (s) the architecture and interconnect (s) databases that minimize central authority yet support partial sharing and coordination among database systems".