title: metu interoperable database system a dogac , u halici , e kilic , g жzhan , f ozcan , s nural , c dengi , s mancuhan , i arpinar , p koksal , c evrendilek sigmod conference 1996. authors: nan. venue: nan. year: nan
title: integrity constraints in active database system ap sistla , owt conditions. authors: nan. venue: proceedings of acm sigmod ,. year: nan