hshi@violet.uwaterloo.ca (Hanmao Shi) (10/10/90)
I need the tech report "Efficient Bottom-up Computation of Queries on Stratified databases", authored by I. Balbin, K. Meenakshi, G. Port, and K. Ramamohanarao at Unoverity of Melbourne, for reference. If anyone knows one of the author' e-mail, please send me a message. Thanks. Email: hshi@violet.uwaterloo.ca