Peter Scheuermann, Ahmed K. Elmagarmid, Hector Garcia-Molina, Frank Manola, Dennis McLeod, Arnon Rosenthal, Marjorie Templeton. Report on the Workshop on Heterogenous Database Systems held at Northwestern University, Evanston, Illinois, December 11-13, 1989, Sponsored by NSF. SIGMOD Record, 19(4):23-31, 1990. [doi]
Abstract is missing.