db/journals/sigmod/BatoryBDHHKMSW89.html Don S. Batory Philip A. Bernstein Umeshwar Dayal Laura M. Haas Theo Härder Won Kim David Maier Gerard Salton Gio Wiederhold ACM TODS Publication Policy. 31 sigmodR/18-1/P031.pdf 1989 18 SIGMOD Record 1 db/journals/sigmod/sigmod18.html#BatoryBDHHKMSW89