title: integrating temporal , real-time , and active databases. authors: john a. stankovic , krithi ramamritham , ming xiong , rajendran m. sivasankaran , donald f. towsley. venue: sigmod record. year: 1996
title: integrating triggers and declarative constraints in sql database sytems. authors: roberta cochrane , hamid pirahesh , nelson mendon &#231; a mattos. venue: very large data bases. year: 1996